annotate mercurial/revlog.py @ 4061:40030c1b6bc6

lazyindex: handle __delitem__ in loadblock
author Brendan Cully <brendan@kublai.com>
date Sun, 04 Feb 2007 16:08:56 -0800
parents 01d98d68d697
children 2a8b6d78d7ee
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rev   line source
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1 """
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2 revlog.py - storage back-end for mercurial
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3
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4 This provides efficient delta storage with O(1) retrieve and append
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5 and O(changes) merge between branches
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6
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7 Copyright 2005, 2006 Matt Mackall <mpm@selenic.com>
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8
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9 This software may be used and distributed according to the terms
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10 of the GNU General Public License, incorporated herein by reference.
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11 """
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12
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13 from node import *
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14 from i18n import _
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15 import binascii, changegroup, errno, ancestor, mdiff, os
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16 import sha, struct, util, zlib
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17
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18 # revlog version strings
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19 REVLOGV0 = 0
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20 REVLOGNG = 1
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21
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22 # revlog flags
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23 REVLOGNGINLINEDATA = (1 << 16)
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24 REVLOG_DEFAULT_FLAGS = REVLOGNGINLINEDATA
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25
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26 REVLOG_DEFAULT_FORMAT = REVLOGNG
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27 REVLOG_DEFAULT_VERSION = REVLOG_DEFAULT_FORMAT | REVLOG_DEFAULT_FLAGS
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28
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29 def flagstr(flag):
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30 if flag == "inline":
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31 return REVLOGNGINLINEDATA
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32 raise RevlogError(_("unknown revlog flag %s") % flag)
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33
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34 def hash(text, p1, p2):
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35 """generate a hash from the given text and its parent hashes
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36
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37 This hash combines both the current file contents and its history
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38 in a manner that makes it easy to distinguish nodes with the same
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39 content in the revision graph.
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40 """
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41 l = [p1, p2]
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42 l.sort()
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43 s = sha.new(l[0])
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44 s.update(l[1])
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45 s.update(text)
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46 return s.digest()
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47
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48 def compress(text):
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49 """ generate a possibly-compressed representation of text """
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50 if not text: return ("", text)
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51 if len(text) < 44:
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52 if text[0] == '\0': return ("", text)
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53 return ('u', text)
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54 bin = zlib.compress(text)
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55 if len(bin) > len(text):
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56 if text[0] == '\0': return ("", text)
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57 return ('u', text)
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58 return ("", bin)
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59
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60 def decompress(bin):
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61 """ decompress the given input """
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62 if not bin: return bin
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63 t = bin[0]
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64 if t == '\0': return bin
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65 if t == 'x': return zlib.decompress(bin)
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66 if t == 'u': return bin[1:]
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67 raise RevlogError(_("unknown compression type %r") % t)
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68
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69 indexformatv0 = ">4l20s20s20s"
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70 v0shaoffset = 56
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71 # index ng:
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72 # 6 bytes offset
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73 # 2 bytes flags
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74 # 4 bytes compressed length
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75 # 4 bytes uncompressed length
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76 # 4 bytes: base rev
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77 # 4 bytes link rev
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78 # 4 bytes parent 1 rev
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79 # 4 bytes parent 2 rev
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80 # 32 bytes: nodeid
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81 indexformatng = ">Qiiiiii20s12x"
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82 ngshaoffset = 32
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83 versionformat = ">I"
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84
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85 class lazyparser(object):
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86 """
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87 this class avoids the need to parse the entirety of large indices
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88 """
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90 # lazyparser is not safe to use on windows if win32 extensions not
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91 # available. it keeps file handle open, which make it not possible
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92 # to break hardlinks on local cloned repos.
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93 safe_to_use = os.name != 'nt' or (not util.is_win_9x() and
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94 hasattr(util, 'win32api'))
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95
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96 def __init__(self, dataf, size, indexformat, shaoffset):
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97 self.dataf = dataf
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98 self.format = indexformat
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99 self.s = struct.calcsize(indexformat)
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100 self.indexformat = indexformat
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101 self.datasize = size
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102 self.l = size/self.s
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103 self.index = [None] * self.l
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104 self.map = {nullid: nullrev}
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105 self.allmap = 0
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106 self.all = 0
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107 self.mapfind_count = 0
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108 self.shaoffset = shaoffset
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109
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110 def loadmap(self):
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111 """
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112 during a commit, we need to make sure the rev being added is
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113 not a duplicate. This requires loading the entire index,
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114 which is fairly slow. loadmap can load up just the node map,
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115 which takes much less time.
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116 """
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117 if self.allmap: return
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118 end = self.datasize
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119 self.allmap = 1
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120 cur = 0
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121 count = 0
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122 blocksize = self.s * 256
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123 self.dataf.seek(0)
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124 while cur < end:
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125 data = self.dataf.read(blocksize)
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126 off = 0
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127 for x in xrange(256):
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128 n = data[off + self.shaoffset:off + self.shaoffset + 20]
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129 self.map[n] = count
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130 count += 1
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131 if count >= self.l:
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132 break
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133 off += self.s
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134 cur += blocksize
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135
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136 def loadblock(self, blockstart, blocksize, data=None):
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137 if self.all: return
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138 if data is None:
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139 self.dataf.seek(blockstart)
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140 if blockstart + blocksize > self.datasize:
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141 # the revlog may have grown since we've started running,
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142 # but we don't have space in self.index for more entries.
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143 # limit blocksize so that we don't get too much data.
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144 blocksize = max(self.datasize - blockstart, 0)
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145 data = self.dataf.read(blocksize)
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146 lend = len(data) / self.s
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147 i = blockstart / self.s
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148 off = 0
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149 # lazyindex supports __delitem__
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150 if lend > len(self.index) - i:
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151 lend = len(self.index) - i
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152 for x in xrange(lend):
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153 if self.index[i + x] == None:
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154 b = data[off : off + self.s]
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155 self.index[i + x] = b
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156 n = b[self.shaoffset:self.shaoffset + 20]
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157 self.map[n] = i + x
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158 off += self.s
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159
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diff changeset
160 def findnode(self, node):
ee96ca273f32 New lazy index code for revlogs.
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diff changeset
161 """search backwards through the index file for a specific node"""
ee96ca273f32 New lazy index code for revlogs.
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162 if self.allmap: return None
ee96ca273f32 New lazy index code for revlogs.
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163
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164 # hg log will cause many many searches for the manifest
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165 # nodes. After we get called a few times, just load the whole
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166 # thing.
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167 if self.mapfind_count > 8:
ee96ca273f32 New lazy index code for revlogs.
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diff changeset
168 self.loadmap()
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169 if node in self.map:
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170 return node
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171 return None
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diff changeset
172 self.mapfind_count += 1
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173 last = self.l - 1
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diff changeset
174 while self.index[last] != None:
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diff changeset
175 if last == 0:
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176 self.all = 1
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177 self.allmap = 1
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178 return None
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179 last -= 1
ee96ca273f32 New lazy index code for revlogs.
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180 end = (last + 1) * self.s
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181 blocksize = self.s * 256
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182 while end >= 0:
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183 start = max(end - blocksize, 0)
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184 self.dataf.seek(start)
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185 data = self.dataf.read(end - start)
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186 findend = end - start
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187 while True:
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188 # we're searching backwards, so weh have to make sure
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189 # we don't find a changeset where this node is a parent
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190 off = data.rfind(node, 0, findend)
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191 findend = off
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192 if off >= 0:
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193 i = off / self.s
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194 off = i * self.s
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195 n = data[off + self.shaoffset:off + self.shaoffset + 20]
ee96ca273f32 New lazy index code for revlogs.
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diff changeset
196 if n == node:
ee96ca273f32 New lazy index code for revlogs.
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diff changeset
197 self.map[n] = i + start / self.s
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198 return node
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199 else:
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200 break
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201 end -= blocksize
ee96ca273f32 New lazy index code for revlogs.
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202 return None
ee96ca273f32 New lazy index code for revlogs.
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203
ee96ca273f32 New lazy index code for revlogs.
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204 def loadindex(self, i=None, end=None):
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205 if self.all: return
ee96ca273f32 New lazy index code for revlogs.
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206 all = False
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207 if i == None:
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208 blockstart = 0
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209 blocksize = (512 / self.s) * self.s
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210 end = self.datasize
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211 all = True
323
c6f0673ab7e9 lazyparser speed ups
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212 else:
2079
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213 if end:
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214 blockstart = i * self.s
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215 end = end * self.s
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216 blocksize = end - blockstart
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217 else:
ee96ca273f32 New lazy index code for revlogs.
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218 blockstart = (i & ~(32)) * self.s
ee96ca273f32 New lazy index code for revlogs.
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219 blocksize = self.s * 64
ee96ca273f32 New lazy index code for revlogs.
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220 end = blockstart + blocksize
ee96ca273f32 New lazy index code for revlogs.
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221 while blockstart < end:
ee96ca273f32 New lazy index code for revlogs.
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222 self.loadblock(blockstart, blocksize)
ee96ca273f32 New lazy index code for revlogs.
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223 blockstart += blocksize
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224 if all: self.all = True
515
03f27b1381f9 Whitespace cleanups
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225
1559
59b3639df0a9 Convert all classes to new-style classes by deriving them from object.
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226 class lazyindex(object):
1083
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227 """a lazy version of the index array"""
76
d993ebd69d28 Add lazy{parser,index,map} to speed up processing of index files
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228 def __init__(self, parser):
d993ebd69d28 Add lazy{parser,index,map} to speed up processing of index files
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229 self.p = parser
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230 def __len__(self):
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231 return len(self.p.index)
115
39b438eeb25a Make lazyindex load slightly faster
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232 def load(self, pos):
1403
bc3e66edb04c lazyindex fix, make load handle negative indexes properly.
Eric Hopper <hopper@omnifarious.org>
parents: 1402
diff changeset
233 if pos < 0:
bc3e66edb04c lazyindex fix, make load handle negative indexes properly.
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parents: 1402
diff changeset
234 pos += len(self.p.index)
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ee96ca273f32 New lazy index code for revlogs.
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235 self.p.loadindex(pos)
115
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diff changeset
236 return self.p.index[pos]
76
d993ebd69d28 Add lazy{parser,index,map} to speed up processing of index files
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diff changeset
237 def __getitem__(self, pos):
2080
1cbb14c048cb Reduce index memory usage by storing the bare string instead of tuples
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238 ret = self.p.index[pos] or self.load(pos)
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239 if isinstance(ret, str):
1cbb14c048cb Reduce index memory usage by storing the bare string instead of tuples
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240 ret = struct.unpack(self.p.indexformat, ret)
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241 return ret
2072
74d3f5336b66 Implement revlogng.
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242 def __setitem__(self, pos, item):
74d3f5336b66 Implement revlogng.
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243 self.p.index[pos] = item
1535
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
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244 def __delitem__(self, pos):
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245 del self.p.index[pos]
76
d993ebd69d28 Add lazy{parser,index,map} to speed up processing of index files
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diff changeset
246 def append(self, e):
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247 self.p.index.append(e)
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diff changeset
248
1559
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diff changeset
249 class lazymap(object):
1083
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250 """a lazy version of the node map"""
76
d993ebd69d28 Add lazy{parser,index,map} to speed up processing of index files
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diff changeset
251 def __init__(self, parser):
d993ebd69d28 Add lazy{parser,index,map} to speed up processing of index files
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diff changeset
252 self.p = parser
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diff changeset
253 def load(self, key):
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ee96ca273f32 New lazy index code for revlogs.
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254 n = self.p.findnode(key)
ee96ca273f32 New lazy index code for revlogs.
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diff changeset
255 if n == None:
1214
34706a835d4a Smarter handling of revlog key errors
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parents: 1201
diff changeset
256 raise KeyError(key)
76
d993ebd69d28 Add lazy{parser,index,map} to speed up processing of index files
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diff changeset
257 def __contains__(self, key):
2079
ee96ca273f32 New lazy index code for revlogs.
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diff changeset
258 if key in self.p.map:
ee96ca273f32 New lazy index code for revlogs.
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diff changeset
259 return True
ee96ca273f32 New lazy index code for revlogs.
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diff changeset
260 self.p.loadmap()
323
c6f0673ab7e9 lazyparser speed ups
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parents: 306
diff changeset
261 return key in self.p.map
97
7a2abee6b0c2 Add iterator to the lazymap code
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diff changeset
262 def __iter__(self):
469
e205194ca7ef Various node id lookup tweaks
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diff changeset
263 yield nullid
97
7a2abee6b0c2 Add iterator to the lazymap code
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diff changeset
264 for i in xrange(self.p.l):
2080
1cbb14c048cb Reduce index memory usage by storing the bare string instead of tuples
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diff changeset
265 ret = self.p.index[i]
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diff changeset
266 if not ret:
2079
ee96ca273f32 New lazy index code for revlogs.
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diff changeset
267 self.p.loadindex(i)
2080
1cbb14c048cb Reduce index memory usage by storing the bare string instead of tuples
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diff changeset
268 ret = self.p.index[i]
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diff changeset
269 if isinstance(ret, str):
1cbb14c048cb Reduce index memory usage by storing the bare string instead of tuples
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diff changeset
270 ret = struct.unpack(self.p.indexformat, ret)
1cbb14c048cb Reduce index memory usage by storing the bare string instead of tuples
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diff changeset
271 yield ret[-1]
76
d993ebd69d28 Add lazy{parser,index,map} to speed up processing of index files
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diff changeset
272 def __getitem__(self, key):
d993ebd69d28 Add lazy{parser,index,map} to speed up processing of index files
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diff changeset
273 try:
d993ebd69d28 Add lazy{parser,index,map} to speed up processing of index files
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diff changeset
274 return self.p.map[key]
d993ebd69d28 Add lazy{parser,index,map} to speed up processing of index files
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parents: 73
diff changeset
275 except KeyError:
86
1b945e8ba67b Friendlier exceptions for unknown node errors
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parents: 84
diff changeset
276 try:
1b945e8ba67b Friendlier exceptions for unknown node errors
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parents: 84
diff changeset
277 self.load(key)
1b945e8ba67b Friendlier exceptions for unknown node errors
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parents: 84
diff changeset
278 return self.p.map[key]
1b945e8ba67b Friendlier exceptions for unknown node errors
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parents: 84
diff changeset
279 except KeyError:
1b945e8ba67b Friendlier exceptions for unknown node errors
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diff changeset
280 raise KeyError("node " + hex(key))
76
d993ebd69d28 Add lazy{parser,index,map} to speed up processing of index files
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diff changeset
281 def __setitem__(self, key, val):
d993ebd69d28 Add lazy{parser,index,map} to speed up processing of index files
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diff changeset
282 self.p.map[key] = val
1535
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
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diff changeset
283 def __delitem__(self, key):
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
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diff changeset
284 del self.p.map[key]
76
d993ebd69d28 Add lazy{parser,index,map} to speed up processing of index files
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diff changeset
285
1073
7b35a980b982 [PATCH] raise exceptions with Exception subclasses
Bart Trojanowski <bart@jukie.net>
parents: 1062
diff changeset
286 class RevlogError(Exception): pass
3930
01d98d68d697 Add revlog.LookupError exception, and use it instead of RevlogError.
Brendan Cully <brendan@kublai.com>
parents: 3928
diff changeset
287 class LookupError(RevlogError): pass
1073
7b35a980b982 [PATCH] raise exceptions with Exception subclasses
Bart Trojanowski <bart@jukie.net>
parents: 1062
diff changeset
288
1559
59b3639df0a9 Convert all classes to new-style classes by deriving them from object.
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parents: 1551
diff changeset
289 class revlog(object):
1083
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diff changeset
290 """
30974cf73435 Add some docstrings to revlog.py
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diff changeset
291 the underlying revision storage object
30974cf73435 Add some docstrings to revlog.py
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diff changeset
292
30974cf73435 Add some docstrings to revlog.py
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diff changeset
293 A revlog consists of two parts, an index and the revision data.
30974cf73435 Add some docstrings to revlog.py
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diff changeset
294
30974cf73435 Add some docstrings to revlog.py
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diff changeset
295 The index is a file with a fixed record size containing
30974cf73435 Add some docstrings to revlog.py
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parents: 1074
diff changeset
296 information on each revision, includings its nodeid (hash), the
30974cf73435 Add some docstrings to revlog.py
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parents: 1074
diff changeset
297 nodeids of its parents, the position and offset of its data within
30974cf73435 Add some docstrings to revlog.py
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diff changeset
298 the data file, and the revision it's based on. Finally, each entry
30974cf73435 Add some docstrings to revlog.py
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diff changeset
299 contains a linkrev entry that can serve as a pointer to external
30974cf73435 Add some docstrings to revlog.py
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diff changeset
300 data.
30974cf73435 Add some docstrings to revlog.py
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diff changeset
301
30974cf73435 Add some docstrings to revlog.py
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parents: 1074
diff changeset
302 The revision data itself is a linear collection of data chunks.
30974cf73435 Add some docstrings to revlog.py
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diff changeset
303 Each chunk represents a revision and is usually represented as a
30974cf73435 Add some docstrings to revlog.py
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parents: 1074
diff changeset
304 delta against the previous chunk. To bound lookup time, runs of
30974cf73435 Add some docstrings to revlog.py
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diff changeset
305 deltas are limited to about 2 times the length of the original
30974cf73435 Add some docstrings to revlog.py
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diff changeset
306 version data. This makes retrieval of a version proportional to
30974cf73435 Add some docstrings to revlog.py
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diff changeset
307 its size, or O(1) relative to the number of revisions.
30974cf73435 Add some docstrings to revlog.py
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diff changeset
308
30974cf73435 Add some docstrings to revlog.py
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parents: 1074
diff changeset
309 Both pieces of the revlog are written to in an append-only
30974cf73435 Add some docstrings to revlog.py
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parents: 1074
diff changeset
310 fashion, which means we never need to rewrite a file to insert or
30974cf73435 Add some docstrings to revlog.py
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parents: 1074
diff changeset
311 remove data, and can use some simple techniques to avoid the need
30974cf73435 Add some docstrings to revlog.py
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diff changeset
312 for locking while reading.
30974cf73435 Add some docstrings to revlog.py
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diff changeset
313 """
2222
c9e264b115e6 Use revlogng and inlined data files by default
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parents: 2177
diff changeset
314 def __init__(self, opener, indexfile, datafile,
c9e264b115e6 Use revlogng and inlined data files by default
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parents: 2177
diff changeset
315 defversion=REVLOG_DEFAULT_VERSION):
1083
30974cf73435 Add some docstrings to revlog.py
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diff changeset
316 """
30974cf73435 Add some docstrings to revlog.py
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diff changeset
317 create a revlog object
30974cf73435 Add some docstrings to revlog.py
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diff changeset
318
30974cf73435 Add some docstrings to revlog.py
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parents: 1074
diff changeset
319 opener is a function that abstracts the file opening operation
30974cf73435 Add some docstrings to revlog.py
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parents: 1074
diff changeset
320 and can be used to implement COW semantics or the like.
30974cf73435 Add some docstrings to revlog.py
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parents: 1074
diff changeset
321 """
0
9117c6561b0b Add back links from file revisions to changeset revisions
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parents:
diff changeset
322 self.indexfile = indexfile
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
323 self.datafile = datafile
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
324 self.opener = opener
1784
2e0a288ca93e revalidate revlog data after locking the repo (issue132)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1749
diff changeset
325
2e0a288ca93e revalidate revlog data after locking the repo (issue132)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1749
diff changeset
326 self.indexstat = None
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
327 self.cache = None
1598
14d1f1868bf6 cleanup of revlog.group when repository is local
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1559
diff changeset
328 self.chunkcache = None
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
329 self.defversion = defversion
1784
2e0a288ca93e revalidate revlog data after locking the repo (issue132)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1749
diff changeset
330 self.load()
116
e484cd5ec282 Only use lazy indexing for big indices and avoid the overhead of the
mpm@selenic.com
parents: 115
diff changeset
331
1784
2e0a288ca93e revalidate revlog data after locking the repo (issue132)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1749
diff changeset
332 def load(self):
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
333 v = self.defversion
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
334 try:
1784
2e0a288ca93e revalidate revlog data after locking the repo (issue132)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1749
diff changeset
335 f = self.opener(self.indexfile)
2079
ee96ca273f32 New lazy index code for revlogs.
mason@suse.com
parents: 2078
diff changeset
336 i = f.read(4)
ee96ca273f32 New lazy index code for revlogs.
mason@suse.com
parents: 2078
diff changeset
337 f.seek(0)
1322
b3d44e9b3092 Make revlog constructor more discerning in its treatment of errors.
Bryan O'Sullivan <bos@serpentine.com>
parents: 1232
diff changeset
338 except IOError, inst:
b3d44e9b3092 Make revlog constructor more discerning in its treatment of errors.
Bryan O'Sullivan <bos@serpentine.com>
parents: 1232
diff changeset
339 if inst.errno != errno.ENOENT:
b3d44e9b3092 Make revlog constructor more discerning in its treatment of errors.
Bryan O'Sullivan <bos@serpentine.com>
parents: 1232
diff changeset
340 raise
76
d993ebd69d28 Add lazy{parser,index,map} to speed up processing of index files
mpm@selenic.com
parents: 73
diff changeset
341 i = ""
1784
2e0a288ca93e revalidate revlog data after locking the repo (issue132)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1749
diff changeset
342 else:
2e0a288ca93e revalidate revlog data after locking the repo (issue132)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1749
diff changeset
343 try:
2176
9b42304d9896 fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2089
diff changeset
344 st = util.fstat(f)
1784
2e0a288ca93e revalidate revlog data after locking the repo (issue132)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1749
diff changeset
345 except AttributeError, inst:
2e0a288ca93e revalidate revlog data after locking the repo (issue132)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1749
diff changeset
346 st = None
2e0a288ca93e revalidate revlog data after locking the repo (issue132)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1749
diff changeset
347 else:
2e0a288ca93e revalidate revlog data after locking the repo (issue132)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1749
diff changeset
348 oldst = self.indexstat
2e0a288ca93e revalidate revlog data after locking the repo (issue132)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1749
diff changeset
349 if (oldst and st.st_dev == oldst.st_dev
2e0a288ca93e revalidate revlog data after locking the repo (issue132)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1749
diff changeset
350 and st.st_ino == oldst.st_ino
2e0a288ca93e revalidate revlog data after locking the repo (issue132)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1749
diff changeset
351 and st.st_mtime == oldst.st_mtime
2e0a288ca93e revalidate revlog data after locking the repo (issue132)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1749
diff changeset
352 and st.st_ctime == oldst.st_ctime):
2e0a288ca93e revalidate revlog data after locking the repo (issue132)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1749
diff changeset
353 return
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
354 self.indexstat = st
2138
f5046cab9e2e Fix revlog-ng interaction with old-http.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 2089
diff changeset
355 if len(i) > 0:
f5046cab9e2e Fix revlog-ng interaction with old-http.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 2089
diff changeset
356 v = struct.unpack(versionformat, i)[0]
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
357 flags = v & ~0xFFFF
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
358 fmt = v & 0xFFFF
2142
8a1e2a9c7013 Replaced 0 with REVLOGV0 where this meaning is used.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 2141
diff changeset
359 if fmt == REVLOGV0:
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
360 if flags:
3754
cd25a4a1a265 Improve error message for unknown revlog flags.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3744
diff changeset
361 raise RevlogError(_("index %s unknown flags %#04x for format v0")
cd25a4a1a265 Improve error message for unknown revlog flags.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3744
diff changeset
362 % (self.indexfile, flags >> 16))
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
363 elif fmt == REVLOGNG:
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
364 if flags & ~REVLOGNGINLINEDATA:
3754
cd25a4a1a265 Improve error message for unknown revlog flags.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3744
diff changeset
365 raise RevlogError(_("index %s unknown flags %#04x for revlogng")
cd25a4a1a265 Improve error message for unknown revlog flags.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3744
diff changeset
366 % (self.indexfile, flags >> 16))
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
367 else:
3744
3a099154b110 Make revlog error slightly less scary
Matt Mackall <mpm@selenic.com>
parents: 3683
diff changeset
368 raise RevlogError(_("index %s unknown format %d")
3680
69cf255a55a1 Indentation cleanups for 2956948b81f3.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3679
diff changeset
369 % (self.indexfile, fmt))
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
370 self.version = v
2142
8a1e2a9c7013 Replaced 0 with REVLOGV0 where this meaning is used.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 2141
diff changeset
371 if v == REVLOGV0:
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
372 self.indexformat = indexformatv0
2079
ee96ca273f32 New lazy index code for revlogs.
mason@suse.com
parents: 2078
diff changeset
373 shaoffset = v0shaoffset
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
374 else:
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
375 self.indexformat = indexformatng
2079
ee96ca273f32 New lazy index code for revlogs.
mason@suse.com
parents: 2078
diff changeset
376 shaoffset = ngshaoffset
116
e484cd5ec282 Only use lazy indexing for big indices and avoid the overhead of the
mpm@selenic.com
parents: 115
diff changeset
377
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
378 if i:
2250
45aef5ddcdbe windows: revlog.lazyparser not always safe to use.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2222
diff changeset
379 if (lazyparser.safe_to_use and not self.inlinedata() and
45aef5ddcdbe windows: revlog.lazyparser not always safe to use.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2222
diff changeset
380 st and st.st_size > 10000):
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
381 # big index, let's parse it on demand
2079
ee96ca273f32 New lazy index code for revlogs.
mason@suse.com
parents: 2078
diff changeset
382 parser = lazyparser(f, st.st_size, self.indexformat, shaoffset)
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
383 self.index = lazyindex(parser)
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
384 self.nodemap = lazymap(parser)
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
385 else:
2255
3f38e872f39a Reduce ram used for very large inlined index files
mason@suse.com
parents: 2250
diff changeset
386 self.parseindex(f, st)
2142
8a1e2a9c7013 Replaced 0 with REVLOGV0 where this meaning is used.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 2141
diff changeset
387 if self.version != REVLOGV0:
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
388 e = list(self.index[0])
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
389 type = self.ngtype(e[0])
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
390 e[0] = self.offset_type(0, type)
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
391 self.index[0] = e
116
e484cd5ec282 Only use lazy indexing for big indices and avoid the overhead of the
mpm@selenic.com
parents: 115
diff changeset
392 else:
3578
3b4e00cba57a Define and use nullrev (revision of nullid) instead of -1.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3505
diff changeset
393 self.nodemap = {nullid: nullrev}
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
394 self.index = []
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
395
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
396
2255
3f38e872f39a Reduce ram used for very large inlined index files
mason@suse.com
parents: 2250
diff changeset
397 def parseindex(self, fp, st):
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
398 s = struct.calcsize(self.indexformat)
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
399 self.index = []
3578
3b4e00cba57a Define and use nullrev (revision of nullid) instead of -1.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3505
diff changeset
400 self.nodemap = {nullid: nullrev}
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
401 inline = self.inlinedata()
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
402 n = 0
2255
3f38e872f39a Reduce ram used for very large inlined index files
mason@suse.com
parents: 2250
diff changeset
403 leftover = None
3f38e872f39a Reduce ram used for very large inlined index files
mason@suse.com
parents: 2250
diff changeset
404 while True:
3f38e872f39a Reduce ram used for very large inlined index files
mason@suse.com
parents: 2250
diff changeset
405 if st:
3f38e872f39a Reduce ram used for very large inlined index files
mason@suse.com
parents: 2250
diff changeset
406 data = fp.read(65536)
3f38e872f39a Reduce ram used for very large inlined index files
mason@suse.com
parents: 2250
diff changeset
407 else:
3f38e872f39a Reduce ram used for very large inlined index files
mason@suse.com
parents: 2250
diff changeset
408 # hack for httprangereader, it doesn't do partial reads well
3f38e872f39a Reduce ram used for very large inlined index files
mason@suse.com
parents: 2250
diff changeset
409 data = fp.read()
3f38e872f39a Reduce ram used for very large inlined index files
mason@suse.com
parents: 2250
diff changeset
410 if not data:
3f38e872f39a Reduce ram used for very large inlined index files
mason@suse.com
parents: 2250
diff changeset
411 break
3f38e872f39a Reduce ram used for very large inlined index files
mason@suse.com
parents: 2250
diff changeset
412 if n == 0 and self.inlinedata():
3f38e872f39a Reduce ram used for very large inlined index files
mason@suse.com
parents: 2250
diff changeset
413 # cache the first chunk
3f38e872f39a Reduce ram used for very large inlined index files
mason@suse.com
parents: 2250
diff changeset
414 self.chunkcache = (0, data)
2289
854954fd410a Fix revlog.parseindex
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 2255
diff changeset
415 if leftover:
854954fd410a Fix revlog.parseindex
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 2255
diff changeset
416 data = leftover + data
854954fd410a Fix revlog.parseindex
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 2255
diff changeset
417 leftover = None
2255
3f38e872f39a Reduce ram used for very large inlined index files
mason@suse.com
parents: 2250
diff changeset
418 off = 0
3f38e872f39a Reduce ram used for very large inlined index files
mason@suse.com
parents: 2250
diff changeset
419 l = len(data)
3f38e872f39a Reduce ram used for very large inlined index files
mason@suse.com
parents: 2250
diff changeset
420 while off < l:
3f38e872f39a Reduce ram used for very large inlined index files
mason@suse.com
parents: 2250
diff changeset
421 if l - off < s:
3f38e872f39a Reduce ram used for very large inlined index files
mason@suse.com
parents: 2250
diff changeset
422 leftover = data[off:]
3f38e872f39a Reduce ram used for very large inlined index files
mason@suse.com
parents: 2250
diff changeset
423 break
2289
854954fd410a Fix revlog.parseindex
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 2255
diff changeset
424 cur = data[off:off + s]
854954fd410a Fix revlog.parseindex
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 2255
diff changeset
425 off += s
2255
3f38e872f39a Reduce ram used for very large inlined index files
mason@suse.com
parents: 2250
diff changeset
426 e = struct.unpack(self.indexformat, cur)
3f38e872f39a Reduce ram used for very large inlined index files
mason@suse.com
parents: 2250
diff changeset
427 self.index.append(e)
3f38e872f39a Reduce ram used for very large inlined index files
mason@suse.com
parents: 2250
diff changeset
428 self.nodemap[e[-1]] = n
3f38e872f39a Reduce ram used for very large inlined index files
mason@suse.com
parents: 2250
diff changeset
429 n += 1
3f38e872f39a Reduce ram used for very large inlined index files
mason@suse.com
parents: 2250
diff changeset
430 if inline:
3f38e872f39a Reduce ram used for very large inlined index files
mason@suse.com
parents: 2250
diff changeset
431 off += e[1]
3f38e872f39a Reduce ram used for very large inlined index files
mason@suse.com
parents: 2250
diff changeset
432 if off > l:
3f38e872f39a Reduce ram used for very large inlined index files
mason@suse.com
parents: 2250
diff changeset
433 # some things don't seek well, just read it
3f38e872f39a Reduce ram used for very large inlined index files
mason@suse.com
parents: 2250
diff changeset
434 fp.read(off - l)
3f38e872f39a Reduce ram used for very large inlined index files
mason@suse.com
parents: 2250
diff changeset
435 if not st:
3f38e872f39a Reduce ram used for very large inlined index files
mason@suse.com
parents: 2250
diff changeset
436 break
2600
c4325f0a9b91 clean up trailing white space.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2561
diff changeset
437
116
e484cd5ec282 Only use lazy indexing for big indices and avoid the overhead of the
mpm@selenic.com
parents: 115
diff changeset
438
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
439 def ngoffset(self, q):
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
440 if q & 0xFFFF:
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
441 raise RevlogError(_('%s: incompatible revision flag %x') %
2141
ed631e83fa06 Corrected error message for incompatible revision flags.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 2138
diff changeset
442 (self.indexfile, q))
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
443 return long(q >> 16)
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
444
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
445 def ngtype(self, q):
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
446 return int(q & 0xFFFF)
116
e484cd5ec282 Only use lazy indexing for big indices and avoid the overhead of the
mpm@selenic.com
parents: 115
diff changeset
447
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
448 def offset_type(self, offset, type):
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
449 return long(long(offset) << 16 | type)
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
450
2079
ee96ca273f32 New lazy index code for revlogs.
mason@suse.com
parents: 2078
diff changeset
451 def loadindex(self, start, end):
ee96ca273f32 New lazy index code for revlogs.
mason@suse.com
parents: 2078
diff changeset
452 """load a block of indexes all at once from the lazy parser"""
ee96ca273f32 New lazy index code for revlogs.
mason@suse.com
parents: 2078
diff changeset
453 if isinstance(self.index, lazyindex):
ee96ca273f32 New lazy index code for revlogs.
mason@suse.com
parents: 2078
diff changeset
454 self.index.p.loadindex(start, end)
ee96ca273f32 New lazy index code for revlogs.
mason@suse.com
parents: 2078
diff changeset
455
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
456 def loadindexmap(self):
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
457 """loads both the map and the index from the lazy parser"""
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
458 if isinstance(self.index, lazyindex):
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
459 p = self.index.p
2079
ee96ca273f32 New lazy index code for revlogs.
mason@suse.com
parents: 2078
diff changeset
460 p.loadindex()
ee96ca273f32 New lazy index code for revlogs.
mason@suse.com
parents: 2078
diff changeset
461 self.nodemap = p.map
ee96ca273f32 New lazy index code for revlogs.
mason@suse.com
parents: 2078
diff changeset
462
ee96ca273f32 New lazy index code for revlogs.
mason@suse.com
parents: 2078
diff changeset
463 def loadmap(self):
ee96ca273f32 New lazy index code for revlogs.
mason@suse.com
parents: 2078
diff changeset
464 """loads the map from the lazy parser"""
ee96ca273f32 New lazy index code for revlogs.
mason@suse.com
parents: 2078
diff changeset
465 if isinstance(self.nodemap, lazymap):
ee96ca273f32 New lazy index code for revlogs.
mason@suse.com
parents: 2078
diff changeset
466 self.nodemap.p.loadmap()
ee96ca273f32 New lazy index code for revlogs.
mason@suse.com
parents: 2078
diff changeset
467 self.nodemap = self.nodemap.p.map
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
468
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
469 def inlinedata(self): return self.version & REVLOGNGINLINEDATA
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
470 def tip(self): return self.node(len(self.index) - 1)
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
471 def count(self): return len(self.index)
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
472 def node(self, rev):
3585
cac2c17bec5a revlog: more nullrev fixes
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3584
diff changeset
473 return rev == nullrev and nullid or self.index[rev][-1]
1201
59bfbdbc38f6 revlog: raise informative exception if file is missing.
Bryan O'Sullivan <bos@serpentine.com>
parents: 1099
diff changeset
474 def rev(self, node):
59bfbdbc38f6 revlog: raise informative exception if file is missing.
Bryan O'Sullivan <bos@serpentine.com>
parents: 1099
diff changeset
475 try:
59bfbdbc38f6 revlog: raise informative exception if file is missing.
Bryan O'Sullivan <bos@serpentine.com>
parents: 1099
diff changeset
476 return self.nodemap[node]
59bfbdbc38f6 revlog: raise informative exception if file is missing.
Bryan O'Sullivan <bos@serpentine.com>
parents: 1099
diff changeset
477 except KeyError:
3930
01d98d68d697 Add revlog.LookupError exception, and use it instead of RevlogError.
Brendan Cully <brendan@kublai.com>
parents: 3928
diff changeset
478 raise LookupError(_('%s: no node %s') % (self.indexfile, hex(node)))
2651
6414ee2eb688 correct the handling of linkrev with nullid
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 2650
diff changeset
479 def linkrev(self, node):
3578
3b4e00cba57a Define and use nullrev (revision of nullid) instead of -1.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3505
diff changeset
480 return (node == nullid) and nullrev or self.index[self.rev(node)][-4]
2
ecf3fd948051 Handle nullid better for ancestor
mpm@selenic.com
parents: 0
diff changeset
481 def parents(self, node):
ecf3fd948051 Handle nullid better for ancestor
mpm@selenic.com
parents: 0
diff changeset
482 if node == nullid: return (nullid, nullid)
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
483 r = self.rev(node)
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
484 d = self.index[r][-3:-1]
2142
8a1e2a9c7013 Replaced 0 with REVLOGV0 where this meaning is used.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 2141
diff changeset
485 if self.version == REVLOGV0:
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
486 return d
3505
0aef94f45ebf revlog.py: always return tuples from parents and parentrevs
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3499
diff changeset
487 return (self.node(d[0]), self.node(d[1]))
2489
568e58eed096 Add revlog.parentrevs function.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 2354
diff changeset
488 def parentrevs(self, rev):
3578
3b4e00cba57a Define and use nullrev (revision of nullid) instead of -1.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3505
diff changeset
489 if rev == nullrev:
3b4e00cba57a Define and use nullrev (revision of nullid) instead of -1.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3505
diff changeset
490 return (nullrev, nullrev)
2489
568e58eed096 Add revlog.parentrevs function.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 2354
diff changeset
491 d = self.index[rev][-3:-1]
568e58eed096 Add revlog.parentrevs function.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 2354
diff changeset
492 if self.version == REVLOGV0:
3505
0aef94f45ebf revlog.py: always return tuples from parents and parentrevs
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3499
diff changeset
493 return (self.rev(d[0]), self.rev(d[1]))
2489
568e58eed096 Add revlog.parentrevs function.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 2354
diff changeset
494 return d
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
495 def start(self, rev):
3585
cac2c17bec5a revlog: more nullrev fixes
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3584
diff changeset
496 if rev == nullrev:
3584
8dbbe4dadb48 revlog: return 0 as offset for nullid
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3582
diff changeset
497 return 0
2142
8a1e2a9c7013 Replaced 0 with REVLOGV0 where this meaning is used.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 2141
diff changeset
498 if self.version != REVLOGV0:
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
499 return self.ngoffset(self.index[rev][0])
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
500 return self.index[rev][0]
2078
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
501
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
502 def end(self, rev): return self.start(rev) + self.length(rev)
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
503
2078
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
504 def size(self, rev):
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
505 """return the length of the uncompressed text for a given revision"""
3582
9fb7d3a05882 revlog.size() fix handling of rev == -1
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3578
diff changeset
506 if rev == nullrev:
9fb7d3a05882 revlog.size() fix handling of rev == -1
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3578
diff changeset
507 return 0
2078
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
508 l = -1
2142
8a1e2a9c7013 Replaced 0 with REVLOGV0 where this meaning is used.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 2141
diff changeset
509 if self.version != REVLOGV0:
2078
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
510 l = self.index[rev][2]
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
511 if l >= 0:
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
512 return l
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
513
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
514 t = self.revision(self.node(rev))
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
515 return len(t)
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
516
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
517 # alternate implementation, The advantage to this code is it
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
518 # will be faster for a single revision. But, the results are not
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
519 # cached, so finding the size of every revision will be slower.
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
520 """
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
521 if self.cache and self.cache[1] == rev:
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
522 return len(self.cache[2])
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
523
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
524 base = self.base(rev)
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
525 if self.cache and self.cache[1] >= base and self.cache[1] < rev:
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
526 base = self.cache[1]
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
527 text = self.cache[2]
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
528 else:
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
529 text = self.revision(self.node(base))
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
530
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
531 l = len(text)
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
532 for x in xrange(base + 1, rev + 1):
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
533 l = mdiff.patchedsize(l, self.chunk(x))
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
534 return l
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
535 """
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
536
1941
7518823709a2 revlog.py: factorization and fixes for rev < 0 (nullid)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1853
diff changeset
537 def length(self, rev):
3585
cac2c17bec5a revlog: more nullrev fixes
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3584
diff changeset
538 if rev == nullrev:
1941
7518823709a2 revlog.py: factorization and fixes for rev < 0 (nullid)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1853
diff changeset
539 return 0
7518823709a2 revlog.py: factorization and fixes for rev < 0 (nullid)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1853
diff changeset
540 else:
7518823709a2 revlog.py: factorization and fixes for rev < 0 (nullid)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1853
diff changeset
541 return self.index[rev][1]
3585
cac2c17bec5a revlog: more nullrev fixes
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3584
diff changeset
542 def base(self, rev):
cac2c17bec5a revlog: more nullrev fixes
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3584
diff changeset
543 if (rev == nullrev):
cac2c17bec5a revlog: more nullrev fixes
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3584
diff changeset
544 return nullrev
cac2c17bec5a revlog: more nullrev fixes
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3584
diff changeset
545 else:
cac2c17bec5a revlog: more nullrev fixes
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3584
diff changeset
546 return self.index[rev][-5]
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
547
3633
508036290b00 revlog: reachable actually takes a node
Matt Mackall <mpm@selenic.com>
parents: 3585
diff changeset
548 def reachable(self, node, stop=None):
3683
b0fd43effdb3 add docstring to reachable
Matt Mackall <mpm@selenic.com>
parents: 3680
diff changeset
549 """return a hash of all nodes ancestral to a given node, including
b0fd43effdb3 add docstring to reachable
Matt Mackall <mpm@selenic.com>
parents: 3680
diff changeset
550 the node itself, stopping when stop is matched"""
1074
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev
mason@suse.com
parents: 1073
diff changeset
551 reachable = {}
3633
508036290b00 revlog: reachable actually takes a node
Matt Mackall <mpm@selenic.com>
parents: 3585
diff changeset
552 visit = [node]
508036290b00 revlog: reachable actually takes a node
Matt Mackall <mpm@selenic.com>
parents: 3585
diff changeset
553 reachable[node] = 1
1074
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev
mason@suse.com
parents: 1073
diff changeset
554 if stop:
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev
mason@suse.com
parents: 1073
diff changeset
555 stopn = self.rev(stop)
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev
mason@suse.com
parents: 1073
diff changeset
556 else:
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev
mason@suse.com
parents: 1073
diff changeset
557 stopn = 0
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev
mason@suse.com
parents: 1073
diff changeset
558 while visit:
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev
mason@suse.com
parents: 1073
diff changeset
559 n = visit.pop(0)
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev
mason@suse.com
parents: 1073
diff changeset
560 if n == stop:
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev
mason@suse.com
parents: 1073
diff changeset
561 continue
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev
mason@suse.com
parents: 1073
diff changeset
562 if n == nullid:
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev
mason@suse.com
parents: 1073
diff changeset
563 continue
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev
mason@suse.com
parents: 1073
diff changeset
564 for p in self.parents(n):
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev
mason@suse.com
parents: 1073
diff changeset
565 if self.rev(p) < stopn:
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev
mason@suse.com
parents: 1073
diff changeset
566 continue
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev
mason@suse.com
parents: 1073
diff changeset
567 if p not in reachable:
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev
mason@suse.com
parents: 1073
diff changeset
568 reachable[p] = 1
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev
mason@suse.com
parents: 1073
diff changeset
569 visit.append(p)
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev
mason@suse.com
parents: 1073
diff changeset
570 return reachable
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev
mason@suse.com
parents: 1073
diff changeset
571
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
572 def nodesbetween(self, roots=None, heads=None):
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
573 """Return a tuple containing three elements. Elements 1 and 2 contain
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
574 a final list bases and heads after all the unreachable ones have been
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
575 pruned. Element 0 contains a topologically sorted list of all
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
576
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
577 nodes that satisfy these constraints:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
578 1. All nodes must be descended from a node in roots (the nodes on
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
579 roots are considered descended from themselves).
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
580 2. All nodes must also be ancestors of a node in heads (the nodes in
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
581 heads are considered to be their own ancestors).
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
582
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
583 If roots is unspecified, nullid is assumed as the only root.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
584 If heads is unspecified, it is taken to be the output of the
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
585 heads method (i.e. a list of all nodes in the repository that
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
586 have no children)."""
1463
26e73acc0cdf Fix to handle case of empty list for roots or heads in nodesbetween.
Eric Hopper <hopper@omnifarious.org>
parents: 1459
diff changeset
587 nonodes = ([], [], [])
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
588 if roots is not None:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
589 roots = list(roots)
1463
26e73acc0cdf Fix to handle case of empty list for roots or heads in nodesbetween.
Eric Hopper <hopper@omnifarious.org>
parents: 1459
diff changeset
590 if not roots:
26e73acc0cdf Fix to handle case of empty list for roots or heads in nodesbetween.
Eric Hopper <hopper@omnifarious.org>
parents: 1459
diff changeset
591 return nonodes
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
592 lowestrev = min([self.rev(n) for n in roots])
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
593 else:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
594 roots = [nullid] # Everybody's a descendent of nullid
3578
3b4e00cba57a Define and use nullrev (revision of nullid) instead of -1.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3505
diff changeset
595 lowestrev = nullrev
3b4e00cba57a Define and use nullrev (revision of nullid) instead of -1.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3505
diff changeset
596 if (lowestrev == nullrev) and (heads is None):
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
597 # We want _all_ the nodes!
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
598 return ([self.node(r) for r in xrange(0, self.count())],
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
599 [nullid], list(self.heads()))
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
600 if heads is None:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
601 # All nodes are ancestors, so the latest ancestor is the last
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
602 # node.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
603 highestrev = self.count() - 1
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
604 # Set ancestors to None to signal that every node is an ancestor.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
605 ancestors = None
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
606 # Set heads to an empty dictionary for later discovery of heads
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
607 heads = {}
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
608 else:
1463
26e73acc0cdf Fix to handle case of empty list for roots or heads in nodesbetween.
Eric Hopper <hopper@omnifarious.org>
parents: 1459
diff changeset
609 heads = list(heads)
26e73acc0cdf Fix to handle case of empty list for roots or heads in nodesbetween.
Eric Hopper <hopper@omnifarious.org>
parents: 1459
diff changeset
610 if not heads:
26e73acc0cdf Fix to handle case of empty list for roots or heads in nodesbetween.
Eric Hopper <hopper@omnifarious.org>
parents: 1459
diff changeset
611 return nonodes
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
612 ancestors = {}
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
613 # Turn heads into a dictionary so we can remove 'fake' heads.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
614 # Also, later we will be using it to filter out the heads we can't
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
615 # find from roots.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
616 heads = dict.fromkeys(heads, 0)
3360
ef8307585b41 nodesbetween: fix a bug with duplicate heads
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3333
diff changeset
617 # Start at the top and keep marking parents until we're done.
ef8307585b41 nodesbetween: fix a bug with duplicate heads
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3333
diff changeset
618 nodestotag = heads.keys()
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
619 # Remember where the top was so we can use it as a limit later.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
620 highestrev = max([self.rev(n) for n in nodestotag])
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
621 while nodestotag:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
622 # grab a node to tag
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
623 n = nodestotag.pop()
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
624 # Never tag nullid
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
625 if n == nullid:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
626 continue
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
627 # A node's revision number represents its place in a
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
628 # topologically sorted list of nodes.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
629 r = self.rev(n)
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
630 if r >= lowestrev:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
631 if n not in ancestors:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
632 # If we are possibly a descendent of one of the roots
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
633 # and we haven't already been marked as an ancestor
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
634 ancestors[n] = 1 # Mark as ancestor
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
635 # Add non-nullid parents to list of nodes to tag.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
636 nodestotag.extend([p for p in self.parents(n) if
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
637 p != nullid])
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
638 elif n in heads: # We've seen it before, is it a fake head?
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
639 # So it is, real heads should not be the ancestors of
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
640 # any other heads.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
641 heads.pop(n)
1459
106fdec8e1fb Fix small bug in nodesbetween if heads is [nullid].
Eric Hopper <hopper@omnifarious.org>
parents: 1458
diff changeset
642 if not ancestors:
1463
26e73acc0cdf Fix to handle case of empty list for roots or heads in nodesbetween.
Eric Hopper <hopper@omnifarious.org>
parents: 1459
diff changeset
643 return nonodes
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
644 # Now that we have our set of ancestors, we want to remove any
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
645 # roots that are not ancestors.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
646
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
647 # If one of the roots was nullid, everything is included anyway.
3578
3b4e00cba57a Define and use nullrev (revision of nullid) instead of -1.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3505
diff changeset
648 if lowestrev > nullrev:
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
649 # But, since we weren't, let's recompute the lowest rev to not
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
650 # include roots that aren't ancestors.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
651
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
652 # Filter out roots that aren't ancestors of heads
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
653 roots = [n for n in roots if n in ancestors]
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
654 # Recompute the lowest revision
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
655 if roots:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
656 lowestrev = min([self.rev(n) for n in roots])
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
657 else:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
658 # No more roots? Return empty list
1463
26e73acc0cdf Fix to handle case of empty list for roots or heads in nodesbetween.
Eric Hopper <hopper@omnifarious.org>
parents: 1459
diff changeset
659 return nonodes
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
660 else:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
661 # We are descending from nullid, and don't need to care about
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
662 # any other roots.
3578
3b4e00cba57a Define and use nullrev (revision of nullid) instead of -1.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3505
diff changeset
663 lowestrev = nullrev
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
664 roots = [nullid]
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
665 # Transform our roots list into a 'set' (i.e. a dictionary where the
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
666 # values don't matter.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
667 descendents = dict.fromkeys(roots, 1)
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
668 # Also, keep the original roots so we can filter out roots that aren't
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
669 # 'real' roots (i.e. are descended from other roots).
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
670 roots = descendents.copy()
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
671 # Our topologically sorted list of output nodes.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
672 orderedout = []
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
673 # Don't start at nullid since we don't want nullid in our output list,
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
674 # and if nullid shows up in descedents, empty parents will look like
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
675 # they're descendents.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
676 for r in xrange(max(lowestrev, 0), highestrev + 1):
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
677 n = self.node(r)
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
678 isdescendent = False
3578
3b4e00cba57a Define and use nullrev (revision of nullid) instead of -1.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3505
diff changeset
679 if lowestrev == nullrev: # Everybody is a descendent of nullid
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
680 isdescendent = True
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
681 elif n in descendents:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
682 # n is already a descendent
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
683 isdescendent = True
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
684 # This check only needs to be done here because all the roots
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
685 # will start being marked is descendents before the loop.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
686 if n in roots:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
687 # If n was a root, check if it's a 'real' root.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
688 p = tuple(self.parents(n))
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
689 # If any of its parents are descendents, it's not a root.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
690 if (p[0] in descendents) or (p[1] in descendents):
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
691 roots.pop(n)
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
692 else:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
693 p = tuple(self.parents(n))
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
694 # A node is a descendent if either of its parents are
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
695 # descendents. (We seeded the dependents list with the roots
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
696 # up there, remember?)
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
697 if (p[0] in descendents) or (p[1] in descendents):
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
698 descendents[n] = 1
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
699 isdescendent = True
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
700 if isdescendent and ((ancestors is None) or (n in ancestors)):
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
701 # Only include nodes that are both descendents and ancestors.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
702 orderedout.append(n)
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
703 if (ancestors is not None) and (n in heads):
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
704 # We're trying to figure out which heads are reachable
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
705 # from roots.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
706 # Mark this head as having been reached
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
707 heads[n] = 1
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
708 elif ancestors is None:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
709 # Otherwise, we're trying to discover the heads.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
710 # Assume this is a head because if it isn't, the next step
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
711 # will eventually remove it.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
712 heads[n] = 1
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
713 # But, obviously its parents aren't.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
714 for p in self.parents(n):
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
715 heads.pop(p, None)
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
716 heads = [n for n in heads.iterkeys() if heads[n] != 0]
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
717 roots = roots.keys()
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
718 assert orderedout
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
719 assert roots
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
720 assert heads
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
721 return (orderedout, roots, heads)
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
722
3925
27230c29bfec fix calculation of new heads added during push with -r
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3755
diff changeset
723 def heads(self, start=None, stop=None):
1550
ccb9b62de892 add a -r/--rev option to heads to show only heads descendant from rev
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1535
diff changeset
724 """return the list of all nodes that have no children
1551
e793cbc8be00 Fixes to "hg heads -r FOO":
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1550
diff changeset
725
e793cbc8be00 Fixes to "hg heads -r FOO":
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1550
diff changeset
726 if start is specified, only heads that are descendants of
e793cbc8be00 Fixes to "hg heads -r FOO":
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1550
diff changeset
727 start will be returned
3925
27230c29bfec fix calculation of new heads added during push with -r
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3755
diff changeset
728 if stop is specified, it will consider all the revs from stop
27230c29bfec fix calculation of new heads added during push with -r
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3755
diff changeset
729 as if they had no children
1551
e793cbc8be00 Fixes to "hg heads -r FOO":
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1550
diff changeset
730 """
e793cbc8be00 Fixes to "hg heads -r FOO":
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1550
diff changeset
731 if start is None:
e793cbc8be00 Fixes to "hg heads -r FOO":
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1550
diff changeset
732 start = nullid
3925
27230c29bfec fix calculation of new heads added during push with -r
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3755
diff changeset
733 if stop is None:
27230c29bfec fix calculation of new heads added during push with -r
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3755
diff changeset
734 stop = []
27230c29bfec fix calculation of new heads added during push with -r
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3755
diff changeset
735 stoprevs = dict.fromkeys([self.rev(n) for n in stop])
1550
ccb9b62de892 add a -r/--rev option to heads to show only heads descendant from rev
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1535
diff changeset
736 startrev = self.rev(start)
2490
6ff82ec1f4b8 Change revlog.heads to walk the revision graph using revision numbers
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 2489
diff changeset
737 reachable = {startrev: 1}
6ff82ec1f4b8 Change revlog.heads to walk the revision graph using revision numbers
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 2489
diff changeset
738 heads = {startrev: 1}
1083
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
739
2490
6ff82ec1f4b8 Change revlog.heads to walk the revision graph using revision numbers
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 2489
diff changeset
740 parentrevs = self.parentrevs
1550
ccb9b62de892 add a -r/--rev option to heads to show only heads descendant from rev
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1535
diff changeset
741 for r in xrange(startrev + 1, self.count()):
2490
6ff82ec1f4b8 Change revlog.heads to walk the revision graph using revision numbers
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 2489
diff changeset
742 for p in parentrevs(r):
6ff82ec1f4b8 Change revlog.heads to walk the revision graph using revision numbers
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 2489
diff changeset
743 if p in reachable:
3925
27230c29bfec fix calculation of new heads added during push with -r
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3755
diff changeset
744 if r not in stoprevs:
27230c29bfec fix calculation of new heads added during push with -r
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3755
diff changeset
745 reachable[r] = 1
2490
6ff82ec1f4b8 Change revlog.heads to walk the revision graph using revision numbers
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 2489
diff changeset
746 heads[r] = 1
3925
27230c29bfec fix calculation of new heads added during push with -r
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3755
diff changeset
747 if p in heads and p not in stoprevs:
2490
6ff82ec1f4b8 Change revlog.heads to walk the revision graph using revision numbers
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 2489
diff changeset
748 del heads[p]
3925
27230c29bfec fix calculation of new heads added during push with -r
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3755
diff changeset
749
2490
6ff82ec1f4b8 Change revlog.heads to walk the revision graph using revision numbers
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 2489
diff changeset
750 return [self.node(r) for r in heads]
370
c90385d82aec revlog: add a children function
mpm@selenic.com
parents: 330
diff changeset
751
c90385d82aec revlog: add a children function
mpm@selenic.com
parents: 330
diff changeset
752 def children(self, node):
1083
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
753 """find the children of a given node"""
370
c90385d82aec revlog: add a children function
mpm@selenic.com
parents: 330
diff changeset
754 c = []
c90385d82aec revlog: add a children function
mpm@selenic.com
parents: 330
diff changeset
755 p = self.rev(node)
c90385d82aec revlog: add a children function
mpm@selenic.com
parents: 330
diff changeset
756 for r in range(p + 1, self.count()):
3469
fd8f1110562c fix errors spotted by pychecker
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3465
diff changeset
757 for pr in self.parentrevs(r):
3465
c6773b7ebee8 revlog.children: use parentrevs instead of parents
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3438
diff changeset
758 if pr == p:
c6773b7ebee8 revlog.children: use parentrevs instead of parents
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3438
diff changeset
759 c.append(self.node(r))
370
c90385d82aec revlog: add a children function
mpm@selenic.com
parents: 330
diff changeset
760 return c
515
03f27b1381f9 Whitespace cleanups
mpm@selenic.com
parents: 484
diff changeset
761
3494
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
762 def _match(self, id):
3210
7240f9e47144 correctly find the type of 'id' in revlog.lookup
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3153
diff changeset
763 if isinstance(id, (long, int)):
3152
d01e4cb2f5f2 cleanups in revlog.lookup
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3139
diff changeset
764 # rev
2650
156fb1feab62 lookup should allow -1 to represent nullid (if passed an int as arg)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 2600
diff changeset
765 return self.node(id)
3438
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
766 if len(id) == 20:
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
767 # possibly a binary node
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
768 # odds of a binary node being all hex in ASCII are 1 in 10**25
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
769 try:
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
770 node = id
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
771 r = self.rev(node) # quick search the index
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
772 return node
3930
01d98d68d697 Add revlog.LookupError exception, and use it instead of RevlogError.
Brendan Cully <brendan@kublai.com>
parents: 3928
diff changeset
773 except LookupError:
3438
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
774 pass # may be partial hex id
36
da28286bf6b7 Add smart node lookup by substring or by rev number
mpm@selenic.com
parents: 26
diff changeset
775 try:
3152
d01e4cb2f5f2 cleanups in revlog.lookup
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3139
diff changeset
776 # str(rev)
36
da28286bf6b7 Add smart node lookup by substring or by rev number
mpm@selenic.com
parents: 26
diff changeset
777 rev = int(id)
469
e205194ca7ef Various node id lookup tweaks
mpm@selenic.com
parents: 451
diff changeset
778 if str(rev) != id: raise ValueError
e205194ca7ef Various node id lookup tweaks
mpm@selenic.com
parents: 451
diff changeset
779 if rev < 0: rev = self.count() + rev
476
0a338d506268 Really _call_ method revlog.count in revlog.lookup()
Thomas Arendsen Hein <thomas@intevation.de>
parents: 469
diff changeset
780 if rev < 0 or rev >= self.count(): raise ValueError
36
da28286bf6b7 Add smart node lookup by substring or by rev number
mpm@selenic.com
parents: 26
diff changeset
781 return self.node(rev)
469
e205194ca7ef Various node id lookup tweaks
mpm@selenic.com
parents: 451
diff changeset
782 except (ValueError, OverflowError):
3152
d01e4cb2f5f2 cleanups in revlog.lookup
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3139
diff changeset
783 pass
3494
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
784 if len(id) == 40:
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
785 try:
3438
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
786 # a full hex nodeid?
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
787 node = bin(id)
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
788 r = self.rev(node)
3153
4fe41a9e4591 optimize revlog.lookup when passed hex(node)[:...]
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3152
diff changeset
789 return node
3494
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
790 except TypeError:
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
791 pass
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
792
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
793 def _partialmatch(self, id):
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
794 if len(id) < 40:
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
795 try:
3438
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
796 # hex(node)[:...]
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
797 bin_id = bin(id[:len(id) & ~1]) # grab an even number of digits
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
798 node = None
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
799 for n in self.nodemap:
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
800 if n.startswith(bin_id) and hex(n).startswith(id):
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
801 if node is not None:
3930
01d98d68d697 Add revlog.LookupError exception, and use it instead of RevlogError.
Brendan Cully <brendan@kublai.com>
parents: 3928
diff changeset
802 raise LookupError(_("Ambiguous identifier"))
3438
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
803 node = n
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
804 if node is not None:
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
805 return node
3494
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
806 except TypeError:
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
807 pass
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
808
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
809 def lookup(self, id):
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
810 """locate a node based on:
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
811 - revision number or str(revision number)
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
812 - nodeid or subset of hex nodeid
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
813 """
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
814
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
815 n = self._match(id)
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
816 if n is not None:
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
817 return n
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
818 n = self._partialmatch(id)
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
819 if n:
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
820 return n
515
03f27b1381f9 Whitespace cleanups
mpm@selenic.com
parents: 484
diff changeset
821
3930
01d98d68d697 Add revlog.LookupError exception, and use it instead of RevlogError.
Brendan Cully <brendan@kublai.com>
parents: 3928
diff changeset
822 raise LookupError(_("No match found"))
36
da28286bf6b7 Add smart node lookup by substring or by rev number
mpm@selenic.com
parents: 26
diff changeset
823
2910
5df3e5cf16bc Move cmp bits from filelog to revlog
Matt Mackall <mpm@selenic.com>
parents: 2858
diff changeset
824 def cmp(self, node, text):
5df3e5cf16bc Move cmp bits from filelog to revlog
Matt Mackall <mpm@selenic.com>
parents: 2858
diff changeset
825 """compare text with a given file revision"""
5df3e5cf16bc Move cmp bits from filelog to revlog
Matt Mackall <mpm@selenic.com>
parents: 2858
diff changeset
826 p1, p2 = self.parents(node)
5df3e5cf16bc Move cmp bits from filelog to revlog
Matt Mackall <mpm@selenic.com>
parents: 2858
diff changeset
827 return hash(text, p1, p2) != node
5df3e5cf16bc Move cmp bits from filelog to revlog
Matt Mackall <mpm@selenic.com>
parents: 2858
diff changeset
828
5df3e5cf16bc Move cmp bits from filelog to revlog
Matt Mackall <mpm@selenic.com>
parents: 2858
diff changeset
829 def makenode(self, node, text):
5df3e5cf16bc Move cmp bits from filelog to revlog
Matt Mackall <mpm@selenic.com>
parents: 2858
diff changeset
830 """calculate a file nodeid for text, descended or possibly
5df3e5cf16bc Move cmp bits from filelog to revlog
Matt Mackall <mpm@selenic.com>
parents: 2858
diff changeset
831 unchanged from node"""
5df3e5cf16bc Move cmp bits from filelog to revlog
Matt Mackall <mpm@selenic.com>
parents: 2858
diff changeset
832
5df3e5cf16bc Move cmp bits from filelog to revlog
Matt Mackall <mpm@selenic.com>
parents: 2858
diff changeset
833 if self.cmp(node, text):
5df3e5cf16bc Move cmp bits from filelog to revlog
Matt Mackall <mpm@selenic.com>
parents: 2858
diff changeset
834 return hash(text, node, nullid)
5df3e5cf16bc Move cmp bits from filelog to revlog
Matt Mackall <mpm@selenic.com>
parents: 2858
diff changeset
835 return node
5df3e5cf16bc Move cmp bits from filelog to revlog
Matt Mackall <mpm@selenic.com>
parents: 2858
diff changeset
836
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
837 def diff(self, a, b):
1083
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
838 """return a delta between two revisions"""
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
839 return mdiff.textdiff(a, b)
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
840
73
ee1cbe841e01 Change revlog to use new patch code
mpm@selenic.com
parents: 71
diff changeset
841 def patches(self, t, pl):
1083
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
842 """apply a list of patches to a string"""
73
ee1cbe841e01 Change revlog to use new patch code
mpm@selenic.com
parents: 71
diff changeset
843 return mdiff.patches(t, pl)
ee1cbe841e01 Change revlog to use new patch code
mpm@selenic.com
parents: 71
diff changeset
844
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
845 def chunk(self, rev, df=None, cachelen=4096):
1598
14d1f1868bf6 cleanup of revlog.group when repository is local
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1559
diff changeset
846 start, length = self.start(rev), self.length(rev)
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
847 inline = self.inlinedata()
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
848 if inline:
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
849 start += (rev + 1) * struct.calcsize(self.indexformat)
1598
14d1f1868bf6 cleanup of revlog.group when repository is local
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1559
diff changeset
850 end = start + length
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
851 def loadcache(df):
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
852 cache_length = max(cachelen, length) # 4k
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
853 if not df:
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
854 if inline:
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
855 df = self.opener(self.indexfile)
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
856 else:
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
857 df = self.opener(self.datafile)
1598
14d1f1868bf6 cleanup of revlog.group when repository is local
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1559
diff changeset
858 df.seek(start)
14d1f1868bf6 cleanup of revlog.group when repository is local
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1559
diff changeset
859 self.chunkcache = (start, df.read(cache_length))
14d1f1868bf6 cleanup of revlog.group when repository is local
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1559
diff changeset
860
14d1f1868bf6 cleanup of revlog.group when repository is local
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1559
diff changeset
861 if not self.chunkcache:
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
862 loadcache(df)
1598
14d1f1868bf6 cleanup of revlog.group when repository is local
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1559
diff changeset
863
14d1f1868bf6 cleanup of revlog.group when repository is local
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1559
diff changeset
864 cache_start = self.chunkcache[0]
14d1f1868bf6 cleanup of revlog.group when repository is local
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1559
diff changeset
865 cache_end = cache_start + len(self.chunkcache[1])
14d1f1868bf6 cleanup of revlog.group when repository is local
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1559
diff changeset
866 if start >= cache_start and end <= cache_end:
14d1f1868bf6 cleanup of revlog.group when repository is local
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1559
diff changeset
867 # it is cached
14d1f1868bf6 cleanup of revlog.group when repository is local
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1559
diff changeset
868 offset = start - cache_start
14d1f1868bf6 cleanup of revlog.group when repository is local
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1559
diff changeset
869 else:
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
870 loadcache(df)
1598
14d1f1868bf6 cleanup of revlog.group when repository is local
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1559
diff changeset
871 offset = 0
14d1f1868bf6 cleanup of revlog.group when repository is local
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1559
diff changeset
872
14d1f1868bf6 cleanup of revlog.group when repository is local
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1559
diff changeset
873 #def checkchunk():
14d1f1868bf6 cleanup of revlog.group when repository is local
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1559
diff changeset
874 # df = self.opener(self.datafile)
14d1f1868bf6 cleanup of revlog.group when repository is local
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1559
diff changeset
875 # df.seek(start)
14d1f1868bf6 cleanup of revlog.group when repository is local
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1559
diff changeset
876 # return df.read(length)
14d1f1868bf6 cleanup of revlog.group when repository is local
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1559
diff changeset
877 #assert s == checkchunk()
14d1f1868bf6 cleanup of revlog.group when repository is local
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1559
diff changeset
878 return decompress(self.chunkcache[1][offset:offset + length])
14d1f1868bf6 cleanup of revlog.group when repository is local
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1559
diff changeset
879
119
c7a66f9752a4 Add code to retrieve or construct a revlog delta
mpm@selenic.com
parents: 117
diff changeset
880 def delta(self, node):
1083
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
881 """return or calculate a delta between a node and its predecessor"""
119
c7a66f9752a4 Add code to retrieve or construct a revlog delta
mpm@selenic.com
parents: 117
diff changeset
882 r = self.rev(node)
1941
7518823709a2 revlog.py: factorization and fixes for rev < 0 (nullid)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1853
diff changeset
883 return self.revdiff(r - 1, r)
7518823709a2 revlog.py: factorization and fixes for rev < 0 (nullid)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1853
diff changeset
884
7518823709a2 revlog.py: factorization and fixes for rev < 0 (nullid)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1853
diff changeset
885 def revdiff(self, rev1, rev2):
7518823709a2 revlog.py: factorization and fixes for rev < 0 (nullid)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1853
diff changeset
886 """return or calculate a delta between two revisions"""
7518823709a2 revlog.py: factorization and fixes for rev < 0 (nullid)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1853
diff changeset
887 b1 = self.base(rev1)
7518823709a2 revlog.py: factorization and fixes for rev < 0 (nullid)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1853
diff changeset
888 b2 = self.base(rev2)
7518823709a2 revlog.py: factorization and fixes for rev < 0 (nullid)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1853
diff changeset
889 if b1 == b2 and rev1 + 1 == rev2:
7518823709a2 revlog.py: factorization and fixes for rev < 0 (nullid)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1853
diff changeset
890 return self.chunk(rev2)
119
c7a66f9752a4 Add code to retrieve or construct a revlog delta
mpm@selenic.com
parents: 117
diff changeset
891 else:
1941
7518823709a2 revlog.py: factorization and fixes for rev < 0 (nullid)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1853
diff changeset
892 return self.diff(self.revision(self.node(rev1)),
7518823709a2 revlog.py: factorization and fixes for rev < 0 (nullid)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1853
diff changeset
893 self.revision(self.node(rev2)))
119
c7a66f9752a4 Add code to retrieve or construct a revlog delta
mpm@selenic.com
parents: 117
diff changeset
894
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
895 def revision(self, node):
1083
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
896 """return an uncompressed revision of a given"""
36
da28286bf6b7 Add smart node lookup by substring or by rev number
mpm@selenic.com
parents: 26
diff changeset
897 if node == nullid: return ""
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
898 if self.cache and self.cache[0] == node: return self.cache[2]
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
899
1083
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
900 # look up what we need to read
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
901 text = None
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
902 rev = self.rev(node)
1598
14d1f1868bf6 cleanup of revlog.group when repository is local
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1559
diff changeset
903 base = self.base(rev)
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
904
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
905 if self.inlinedata():
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
906 # we probably have the whole chunk cached
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
907 df = None
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
908 else:
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
909 df = self.opener(self.datafile)
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
910
1083
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
911 # do we have useful data cached?
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
912 if self.cache and self.cache[1] >= base and self.cache[1] < rev:
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
913 base = self.cache[1]
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
914 text = self.cache[2]
2079
ee96ca273f32 New lazy index code for revlogs.
mason@suse.com
parents: 2078
diff changeset
915 self.loadindex(base, rev + 1)
1598
14d1f1868bf6 cleanup of revlog.group when repository is local
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1559
diff changeset
916 else:
2079
ee96ca273f32 New lazy index code for revlogs.
mason@suse.com
parents: 2078
diff changeset
917 self.loadindex(base, rev + 1)
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
918 text = self.chunk(base, df=df)
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
919
71
47c9a869adee Add mdiff.patches to speed up applying thousands of patches to the manifest
mpm@selenic.com
parents: 67
diff changeset
920 bins = []
64
b3e2ddff0159 Diff in subdirectories from Jake Edge
mpm@selenic.com
parents: 46
diff changeset
921 for r in xrange(base + 1, rev + 1):
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
922 bins.append(self.chunk(r, df=df))
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
923
1941
7518823709a2 revlog.py: factorization and fixes for rev < 0 (nullid)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1853
diff changeset
924 text = self.patches(text, bins)
71
47c9a869adee Add mdiff.patches to speed up applying thousands of patches to the manifest
mpm@selenic.com
parents: 67
diff changeset
925
1598
14d1f1868bf6 cleanup of revlog.group when repository is local
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1559
diff changeset
926 p1, p2 = self.parents(node)
26
9cf83bf9ad38 Simplify integrity checking
mpm@selenic.com
parents: 14
diff changeset
927 if node != hash(text, p1, p2):
1402
9d2c2e6b32b5 i18n part2: use '_' for all strings who are part of the user interface
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1400
diff changeset
928 raise RevlogError(_("integrity check failed on %s:%d")
3680
69cf255a55a1 Indentation cleanups for 2956948b81f3.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3679
diff changeset
929 % (self.datafile, rev))
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
930
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
931 self.cache = (node, rev, text)
515
03f27b1381f9 Whitespace cleanups
mpm@selenic.com
parents: 484
diff changeset
932 return text
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
933
2075
343aeefb553b Make the appendfile class inline-data index friendly
mason@suse.com
parents: 2073
diff changeset
934 def checkinlinesize(self, tr, fp=None):
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
935 if not self.inlinedata():
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
936 return
2075
343aeefb553b Make the appendfile class inline-data index friendly
mason@suse.com
parents: 2073
diff changeset
937 if not fp:
343aeefb553b Make the appendfile class inline-data index friendly
mason@suse.com
parents: 2073
diff changeset
938 fp = self.opener(self.indexfile, 'r')
2082
856f0ba200bc Additional appendfile fixes for interleaved data/index files
mason@suse.com
parents: 2081
diff changeset
939 fp.seek(0, 2)
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
940 size = fp.tell()
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
941 if size < 131072:
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
942 return
2084
Chris Mason <mason@suse.com>
parents: 2082
diff changeset
943 trinfo = tr.find(self.indexfile)
Chris Mason <mason@suse.com>
parents: 2082
diff changeset
944 if trinfo == None:
3680
69cf255a55a1 Indentation cleanups for 2956948b81f3.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3679
diff changeset
945 raise RevlogError(_("%s not found in the transaction")
69cf255a55a1 Indentation cleanups for 2956948b81f3.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3679
diff changeset
946 % self.indexfile)
2084
Chris Mason <mason@suse.com>
parents: 2082
diff changeset
947
Chris Mason <mason@suse.com>
parents: 2082
diff changeset
948 trindex = trinfo[2]
Chris Mason <mason@suse.com>
parents: 2082
diff changeset
949 dataoff = self.start(trindex)
Chris Mason <mason@suse.com>
parents: 2082
diff changeset
950
Chris Mason <mason@suse.com>
parents: 2082
diff changeset
951 tr.add(self.datafile, dataoff)
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
952 df = self.opener(self.datafile, 'w')
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
953 calc = struct.calcsize(self.indexformat)
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
954 for r in xrange(self.count()):
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
955 start = self.start(r) + (r + 1) * calc
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
956 length = self.length(r)
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
957 fp.seek(start)
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
958 d = fp.read(length)
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
959 df.write(d)
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
960 fp.close()
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
961 df.close()
2076
d007df6daf8e Create an atomic opener that does not automatically rename on close
mason@suse.com
parents: 2075
diff changeset
962 fp = self.opener(self.indexfile, 'w', atomictemp=True)
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
963 self.version &= ~(REVLOGNGINLINEDATA)
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
964 if self.count():
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
965 x = self.index[0]
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
966 e = struct.pack(self.indexformat, *x)[4:]
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
967 l = struct.pack(versionformat, self.version)
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
968 fp.write(l)
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
969 fp.write(e)
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
970
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
971 for i in xrange(1, self.count()):
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
972 x = self.index[i]
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
973 e = struct.pack(self.indexformat, *x)
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
974 fp.write(e)
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
975
2076
d007df6daf8e Create an atomic opener that does not automatically rename on close
mason@suse.com
parents: 2075
diff changeset
976 # if we don't call rename, the temp file will never replace the
d007df6daf8e Create an atomic opener that does not automatically rename on close
mason@suse.com
parents: 2075
diff changeset
977 # real index
d007df6daf8e Create an atomic opener that does not automatically rename on close
mason@suse.com
parents: 2075
diff changeset
978 fp.rename()
2084
Chris Mason <mason@suse.com>
parents: 2082
diff changeset
979
Chris Mason <mason@suse.com>
parents: 2082
diff changeset
980 tr.replace(self.indexfile, trindex * calc)
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
981 self.chunkcache = None
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
982
644
6ebe118280bd Performance enhancements for manifest.add()
mason@suse.com
parents: 547
diff changeset
983 def addrevision(self, text, transaction, link, p1=None, p2=None, d=None):
1083
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
984 """add a revision to the log
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
985
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
986 text - the revision data to add
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
987 transaction - the transaction object used for rollback
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
988 link - the linkrev data to add
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
989 p1, p2 - the parent nodeids of the revision
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
990 d - an optional precomputed delta
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
991 """
3390
a74addddd092 make revlog.addgroup pass its file handles to addrevision
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3360
diff changeset
992 if not self.inlinedata():
a74addddd092 make revlog.addgroup pass its file handles to addrevision
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3360
diff changeset
993 dfh = self.opener(self.datafile, "a")
a74addddd092 make revlog.addgroup pass its file handles to addrevision
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3360
diff changeset
994 else:
a74addddd092 make revlog.addgroup pass its file handles to addrevision
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3360
diff changeset
995 dfh = None
a74addddd092 make revlog.addgroup pass its file handles to addrevision
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3360
diff changeset
996 ifh = self.opener(self.indexfile, "a+")
a74addddd092 make revlog.addgroup pass its file handles to addrevision
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3360
diff changeset
997 return self._addrevision(text, transaction, link, p1, p2, d, ifh, dfh)
a74addddd092 make revlog.addgroup pass its file handles to addrevision
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3360
diff changeset
998
a74addddd092 make revlog.addgroup pass its file handles to addrevision
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3360
diff changeset
999 def _addrevision(self, text, transaction, link, p1, p2, d, ifh, dfh):
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
1000 if text is None: text = ""
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
1001 if p1 is None: p1 = self.tip()
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
1002 if p2 is None: p2 = nullid
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
1003
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
1004 node = hash(text, p1, p2)
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
1005
301
5add718d92db revlog: allow duplicates
mpm@selenic.com
parents: 243
diff changeset
1006 if node in self.nodemap:
5add718d92db revlog: allow duplicates
mpm@selenic.com
parents: 243
diff changeset
1007 return node
5add718d92db revlog: allow duplicates
mpm@selenic.com
parents: 243
diff changeset
1008
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
1009 n = self.count()
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
1010 t = n - 1
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
1011
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
1012 if n:
64
b3e2ddff0159 Diff in subdirectories from Jake Edge
mpm@selenic.com
parents: 46
diff changeset
1013 base = self.base(t)
b3e2ddff0159 Diff in subdirectories from Jake Edge
mpm@selenic.com
parents: 46
diff changeset
1014 start = self.start(base)
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
1015 end = self.end(t)
644
6ebe118280bd Performance enhancements for manifest.add()
mason@suse.com
parents: 547
diff changeset
1016 if not d:
6ebe118280bd Performance enhancements for manifest.add()
mason@suse.com
parents: 547
diff changeset
1017 prev = self.revision(self.tip())
3333
9061613c1593 Teach bdiff to support buffer objects
Brendan Cully <brendan@kublai.com>
parents: 3210
diff changeset
1018 d = self.diff(prev, text)
98
3dde7c87e36d Add paranoia to diff code
mpm@selenic.com
parents: 97
diff changeset
1019 data = compress(d)
1533
3d11f81c9145 Reduce string duplication in compression code
mason@suse.com
parents: 1509
diff changeset
1020 l = len(data[1]) + len(data[0])
3d11f81c9145 Reduce string duplication in compression code
mason@suse.com
parents: 1509
diff changeset
1021 dist = end - start + l
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
1022
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
1023 # full versions are inserted when the needed deltas
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
1024 # become comparable to the uncompressed text
64
b3e2ddff0159 Diff in subdirectories from Jake Edge
mpm@selenic.com
parents: 46
diff changeset
1025 if not n or dist > len(text) * 2:
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
1026 data = compress(text)
1533
3d11f81c9145 Reduce string duplication in compression code
mason@suse.com
parents: 1509
diff changeset
1027 l = len(data[1]) + len(data[0])
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
1028 base = n
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
1029 else:
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
1030 base = self.base(t)
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
1031
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
1032 offset = 0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
1033 if t >= 0:
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
1034 offset = self.end(t)
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
1035
2142
8a1e2a9c7013 Replaced 0 with REVLOGV0 where this meaning is used.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 2141
diff changeset
1036 if self.version == REVLOGV0:
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
1037 e = (offset, l, base, link, p1, p2, node)
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
1038 else:
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
1039 e = (self.offset_type(offset, 0), l, len(text),
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
1040 base, link, self.rev(p1), self.rev(p2), node)
515
03f27b1381f9 Whitespace cleanups
mpm@selenic.com
parents: 484
diff changeset
1041
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
1042 self.index.append(e)
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
1043 self.nodemap[node] = n
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
1044 entry = struct.pack(self.indexformat, *e)
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
1045
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1046 if not self.inlinedata():
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1047 transaction.add(self.datafile, offset)
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1048 transaction.add(self.indexfile, n * len(entry))
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1049 if data[0]:
3390
a74addddd092 make revlog.addgroup pass its file handles to addrevision
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3360
diff changeset
1050 dfh.write(data[0])
a74addddd092 make revlog.addgroup pass its file handles to addrevision
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3360
diff changeset
1051 dfh.write(data[1])
a74addddd092 make revlog.addgroup pass its file handles to addrevision
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3360
diff changeset
1052 dfh.flush()
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1053 else:
3390
a74addddd092 make revlog.addgroup pass its file handles to addrevision
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3360
diff changeset
1054 ifh.seek(0, 2)
a74addddd092 make revlog.addgroup pass its file handles to addrevision
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3360
diff changeset
1055 transaction.add(self.indexfile, ifh.tell(), self.count() - 1)
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
1056
2142
8a1e2a9c7013 Replaced 0 with REVLOGV0 where this meaning is used.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 2141
diff changeset
1057 if len(self.index) == 1 and self.version != REVLOGV0:
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
1058 l = struct.pack(versionformat, self.version)
3390
a74addddd092 make revlog.addgroup pass its file handles to addrevision
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3360
diff changeset
1059 ifh.write(l)
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
1060 entry = entry[4:]
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
1061
3390
a74addddd092 make revlog.addgroup pass its file handles to addrevision
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3360
diff changeset
1062 ifh.write(entry)
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
1063
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1064 if self.inlinedata():
3390
a74addddd092 make revlog.addgroup pass its file handles to addrevision
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3360
diff changeset
1065 ifh.write(data[0])
a74addddd092 make revlog.addgroup pass its file handles to addrevision
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3360
diff changeset
1066 ifh.write(data[1])
a74addddd092 make revlog.addgroup pass its file handles to addrevision
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3360
diff changeset
1067 self.checkinlinesize(transaction, ifh)
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1068
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
1069 self.cache = (node, n, text)
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
1070 return node
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
1071
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
1072 def ancestor(self, a, b):
1083
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
1073 """calculate the least common ancestor of nodes a and b"""
2081
416d8b2a75b8 Speedup revlog.ancestors for the linear case
Chris Mason <mason@suse.com>
parents: 2080
diff changeset
1074
3139
1fd1cdcc4200 Switch revlog.ancestor to use revisions rather than nodeids
Matt Mackall <mpm@selenic.com>
parents: 3136
diff changeset
1075 def parents(rev):
3578
3b4e00cba57a Define and use nullrev (revision of nullid) instead of -1.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3505
diff changeset
1076 return [p for p in self.parentrevs(rev) if p != nullrev]
515
03f27b1381f9 Whitespace cleanups
mpm@selenic.com
parents: 484
diff changeset
1077
3139
1fd1cdcc4200 Switch revlog.ancestor to use revisions rather than nodeids
Matt Mackall <mpm@selenic.com>
parents: 3136
diff changeset
1078 c = ancestor.ancestor(self.rev(a), self.rev(b), parents)
1fd1cdcc4200 Switch revlog.ancestor to use revisions rather than nodeids
Matt Mackall <mpm@selenic.com>
parents: 3136
diff changeset
1079 if c is None:
1fd1cdcc4200 Switch revlog.ancestor to use revisions rather than nodeids
Matt Mackall <mpm@selenic.com>
parents: 3136
diff changeset
1080 return nullid
1fd1cdcc4200 Switch revlog.ancestor to use revisions rather than nodeids
Matt Mackall <mpm@selenic.com>
parents: 3136
diff changeset
1081
1fd1cdcc4200 Switch revlog.ancestor to use revisions rather than nodeids
Matt Mackall <mpm@selenic.com>
parents: 3136
diff changeset
1082 return self.node(c)
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
1083
1598
14d1f1868bf6 cleanup of revlog.group when repository is local
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1559
diff changeset
1084 def group(self, nodelist, lookup, infocollect=None):
1083
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
1085 """calculate a delta group
46
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1086
1083
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
1087 Given a list of changeset revs, return a set of deltas and
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
1088 metadata corresponding to nodes. the first delta is
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
1089 parent(nodes[0]) -> nodes[0] the receiver is guaranteed to
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
1090 have this parent as it has all history before these
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
1091 changesets. parent is parent[0]
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
1092 """
1458
1033892bbb87 This changes the revlog.group and re-implements the localrepo.changeroup
Eric Hopper <hopper@omnifarious.org>
parents: 1457
diff changeset
1093 revs = [self.rev(n) for n in nodelist]
46
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1094
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1095 # if we don't have any revisions touched by these changesets, bail
192
5d8553352d2e Changes to network protocol
mpm@selenic.com
parents: 155
diff changeset
1096 if not revs:
1981
736b6c96bbbc make incoming work via ssh (issue139); move chunk code into separate module.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1941
diff changeset
1097 yield changegroup.closechunk()
192
5d8553352d2e Changes to network protocol
mpm@selenic.com
parents: 155
diff changeset
1098 return
46
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1099
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1100 # add the parent of the first rev
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1101 p = self.parents(self.node(revs[0]))[0]
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1102 revs.insert(0, self.rev(p))
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1103
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1104 # build deltas
71
47c9a869adee Add mdiff.patches to speed up applying thousands of patches to the manifest
mpm@selenic.com
parents: 67
diff changeset
1105 for d in xrange(0, len(revs) - 1):
46
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1106 a, b = revs[d], revs[d + 1]
1598
14d1f1868bf6 cleanup of revlog.group when repository is local
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1559
diff changeset
1107 nb = self.node(b)
192
5d8553352d2e Changes to network protocol
mpm@selenic.com
parents: 155
diff changeset
1108
1458
1033892bbb87 This changes the revlog.group and re-implements the localrepo.changeroup
Eric Hopper <hopper@omnifarious.org>
parents: 1457
diff changeset
1109 if infocollect is not None:
1598
14d1f1868bf6 cleanup of revlog.group when repository is local
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1559
diff changeset
1110 infocollect(nb)
1458
1033892bbb87 This changes the revlog.group and re-implements the localrepo.changeroup
Eric Hopper <hopper@omnifarious.org>
parents: 1457
diff changeset
1111
1941
7518823709a2 revlog.py: factorization and fixes for rev < 0 (nullid)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1853
diff changeset
1112 d = self.revdiff(a, b)
1598
14d1f1868bf6 cleanup of revlog.group when repository is local
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1559
diff changeset
1113 p = self.parents(nb)
14d1f1868bf6 cleanup of revlog.group when repository is local
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1559
diff changeset
1114 meta = nb + p[0] + p[1] + lookup(nb)
1981
736b6c96bbbc make incoming work via ssh (issue139); move chunk code into separate module.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1941
diff changeset
1115 yield changegroup.genchunk("%s%s" % (meta, d))
46
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1116
1981
736b6c96bbbc make incoming work via ssh (issue139); move chunk code into separate module.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1941
diff changeset
1117 yield changegroup.closechunk()
192
5d8553352d2e Changes to network protocol
mpm@selenic.com
parents: 155
diff changeset
1118
1062
6d5a62a549fa pep-0008 cleanup
benoit.boissinot@ens-lyon.fr
parents: 902
diff changeset
1119 def addgroup(self, revs, linkmapper, transaction, unique=0):
1083
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
1120 """
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
1121 add a delta group
46
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1122
1083
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
1123 given a set of deltas, add them to the revision log. the
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
1124 first delta is against its parent, which should be in our
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
1125 log, the rest are against the previous delta.
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
1126 """
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
1127
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
1128 #track the base of the current delta log
46
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1129 r = self.count()
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1130 t = r - 1
2002
4aab906517c6 Calling revlog.addgroup with an empty changegroup now raises RevlogError.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1981
diff changeset
1131 node = None
515
03f27b1381f9 Whitespace cleanups
mpm@selenic.com
parents: 484
diff changeset
1132
3578
3b4e00cba57a Define and use nullrev (revision of nullid) instead of -1.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3505
diff changeset
1133 base = prev = nullrev
2078
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
1134 start = end = textlen = 0
46
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1135 if r:
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1136 end = self.end(t)
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1137
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
1138 ifh = self.opener(self.indexfile, "a+")
2077
4d0700ae0991 Fix inlined revlogs to seek to eof after opening "a+"
mason@suse.com
parents: 2076
diff changeset
1139 ifh.seek(0, 2)
2084
Chris Mason <mason@suse.com>
parents: 2082
diff changeset
1140 transaction.add(self.indexfile, ifh.tell(), self.count())
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1141 if self.inlinedata():
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1142 dfh = None
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1143 else:
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1144 transaction.add(self.datafile, end)
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1145 dfh = self.opener(self.datafile, "a")
46
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1146
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1147 # loop through our set of deltas
192
5d8553352d2e Changes to network protocol
mpm@selenic.com
parents: 155
diff changeset
1148 chain = None
5d8553352d2e Changes to network protocol
mpm@selenic.com
parents: 155
diff changeset
1149 for chunk in revs:
5d8553352d2e Changes to network protocol
mpm@selenic.com
parents: 155
diff changeset
1150 node, p1, p2, cs = struct.unpack("20s20s20s20s", chunk[:80])
94
7daef883134f Refactor merge code
mpm@selenic.com
parents: 86
diff changeset
1151 link = linkmapper(cs)
77
bed15e766511 Fix bug in lazymap code
mpm@selenic.com
parents: 76
diff changeset
1152 if node in self.nodemap:
224
ccbcc4d76f81 fix bad assumption about uniqueness of file versions
mpm@selenic.com
parents: 221
diff changeset
1153 # this can happen if two branches make the same change
1218
cde6818e082a Add preliminary support for the bundle and unbundle commands
mpm@selenic.com
parents: 1214
diff changeset
1154 # if unique:
1402
9d2c2e6b32b5 i18n part2: use '_' for all strings who are part of the user interface
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1400
diff changeset
1155 # raise RevlogError(_("already have %s") % hex(node[:4]))
653
94cdd02792b5 Fix corruption resulting from skipping parts of a revision group
Matt Mackall <mpm@selenic.com>
parents: 651
diff changeset
1156 chain = node
224
ccbcc4d76f81 fix bad assumption about uniqueness of file versions
mpm@selenic.com
parents: 221
diff changeset
1157 continue
192
5d8553352d2e Changes to network protocol
mpm@selenic.com
parents: 155
diff changeset
1158 delta = chunk[80:]
5d8553352d2e Changes to network protocol
mpm@selenic.com
parents: 155
diff changeset
1159
1509
46a07392cf28 Add safety check for addgroup
Matt Mackall <mpm@selenic.com>
parents: 1494
diff changeset
1160 for p in (p1, p2):
46a07392cf28 Add safety check for addgroup
Matt Mackall <mpm@selenic.com>
parents: 1494
diff changeset
1161 if not p in self.nodemap:
3930
01d98d68d697 Add revlog.LookupError exception, and use it instead of RevlogError.
Brendan Cully <brendan@kublai.com>
parents: 3928
diff changeset
1162 raise LookupError(_("unknown parent %s") % short(p))
1509
46a07392cf28 Add safety check for addgroup
Matt Mackall <mpm@selenic.com>
parents: 1494
diff changeset
1163
192
5d8553352d2e Changes to network protocol
mpm@selenic.com
parents: 155
diff changeset
1164 if not chain:
5d8553352d2e Changes to network protocol
mpm@selenic.com
parents: 155
diff changeset
1165 # retrieve the parent revision of the delta chain
5d8553352d2e Changes to network protocol
mpm@selenic.com
parents: 155
diff changeset
1166 chain = p1
5d8553352d2e Changes to network protocol
mpm@selenic.com
parents: 155
diff changeset
1167 if not chain in self.nodemap:
3930
01d98d68d697 Add revlog.LookupError exception, and use it instead of RevlogError.
Brendan Cully <brendan@kublai.com>
parents: 3928
diff changeset
1168 raise LookupError(_("unknown base %s") % short(chain[:4]))
46
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1169
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1170 # full versions are inserted when the needed deltas become
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1171 # comparable to the uncompressed text or when the previous
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1172 # version is not the one we have a delta against. We use
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1173 # the size of the previous full rev as a proxy for the
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1174 # current size.
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1175
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1176 if chain == prev:
1533
3d11f81c9145 Reduce string duplication in compression code
mason@suse.com
parents: 1509
diff changeset
1177 tempd = compress(delta)
3d11f81c9145 Reduce string duplication in compression code
mason@suse.com
parents: 1509
diff changeset
1178 cdelta = tempd[0] + tempd[1]
2078
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
1179 textlen = mdiff.patchedsize(textlen, delta)
46
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1180
2078
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
1181 if chain != prev or (end - start + len(cdelta)) > textlen * 2:
46
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1182 # flush our writes here so we can read it in revision
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
1183 if dfh:
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
1184 dfh.flush()
46
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1185 ifh.flush()
65
d40cc5aacc31 Fix up a bunch of bugs in the new merge code
mpm@selenic.com
parents: 64
diff changeset
1186 text = self.revision(chain)
73
ee1cbe841e01 Change revlog to use new patch code
mpm@selenic.com
parents: 71
diff changeset
1187 text = self.patches(text, [delta])
3390
a74addddd092 make revlog.addgroup pass its file handles to addrevision
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3360
diff changeset
1188 chk = self._addrevision(text, transaction, link, p1, p2, None,
a74addddd092 make revlog.addgroup pass its file handles to addrevision
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3360
diff changeset
1189 ifh, dfh)
a74addddd092 make revlog.addgroup pass its file handles to addrevision
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3360
diff changeset
1190 if not dfh and not self.inlinedata():
a74addddd092 make revlog.addgroup pass its file handles to addrevision
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3360
diff changeset
1191 # addrevision switched from inline to conventional
a74addddd092 make revlog.addgroup pass its file handles to addrevision
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3360
diff changeset
1192 # reopen the index
a74addddd092 make revlog.addgroup pass its file handles to addrevision
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3360
diff changeset
1193 dfh = self.opener(self.datafile, "a")
a74addddd092 make revlog.addgroup pass its file handles to addrevision
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3360
diff changeset
1194 ifh = self.opener(self.indexfile, "a")
46
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1195 if chk != node:
1402
9d2c2e6b32b5 i18n part2: use '_' for all strings who are part of the user interface
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1400
diff changeset
1196 raise RevlogError(_("consistency error adding group"))
2078
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
1197 textlen = len(text)
46
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1198 else:
2142
8a1e2a9c7013 Replaced 0 with REVLOGV0 where this meaning is used.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 2141
diff changeset
1199 if self.version == REVLOGV0:
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
1200 e = (end, len(cdelta), base, link, p1, p2, node)
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
1201 else:
2078
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
1202 e = (self.offset_type(end, 0), len(cdelta), textlen, base,
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
1203 link, self.rev(p1), self.rev(p2), node)
46
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1204 self.index.append(e)
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1205 self.nodemap[node] = r
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1206 if self.inlinedata():
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1207 ifh.write(struct.pack(self.indexformat, *e))
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1208 ifh.write(cdelta)
2075
343aeefb553b Make the appendfile class inline-data index friendly
mason@suse.com
parents: 2073
diff changeset
1209 self.checkinlinesize(transaction, ifh)
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1210 if not self.inlinedata():
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1211 dfh = self.opener(self.datafile, "a")
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1212 ifh = self.opener(self.indexfile, "a")
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1213 else:
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1214 dfh.write(cdelta)
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1215 ifh.write(struct.pack(self.indexformat, *e))
46
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1216
65
d40cc5aacc31 Fix up a bunch of bugs in the new merge code
mpm@selenic.com
parents: 64
diff changeset
1217 t, r, chain, prev = r, r + 1, node, node
1749
d457fec76ab0 fix warnings from pychecker (unused variables and shadowing)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1711
diff changeset
1218 base = self.base(t)
d457fec76ab0 fix warnings from pychecker (unused variables and shadowing)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1711
diff changeset
1219 start = self.start(base)
46
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1220 end = self.end(t)
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1221
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1222 return node
1493
1a216cb4ee64 verify: add check for mismatch of index and data length
Matt Mackall <mpm@selenic.com>
parents: 1469
diff changeset
1223
1535
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
1224 def strip(self, rev, minlink):
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
1225 if self.count() == 0 or rev >= self.count():
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
1226 return
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
1227
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
1228 if isinstance(self.index, lazyindex):
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
1229 self.loadindexmap()
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
1230
1535
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
1231 # When stripping away a revision, we need to make sure it
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
1232 # does not actually belong to an older changeset.
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
1233 # The minlink parameter defines the oldest revision
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
1234 # we're allowed to strip away.
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
1235 while minlink > self.index[rev][-4]:
1535
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
1236 rev += 1
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
1237 if rev >= self.count():
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
1238 return
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
1239
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
1240 # first truncate the files on disk
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
1241 end = self.start(rev)
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1242 if not self.inlinedata():
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1243 df = self.opener(self.datafile, "a")
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1244 df.truncate(end)
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1245 end = rev * struct.calcsize(self.indexformat)
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1246 else:
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1247 end += rev * struct.calcsize(self.indexformat)
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
1248
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
1249 indexf = self.opener(self.indexfile, "a")
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
1250 indexf.truncate(end)
1535
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
1251
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
1252 # then reset internal state in memory to forget those revisions
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
1253 self.cache = None
1711
8959700c2b19 revlog.strip should clear the chunkcache
mason@suse.com
parents: 1667
diff changeset
1254 self.chunkcache = None
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
1255 for x in xrange(rev, self.count()):
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
1256 del self.nodemap[self.node(x)]
1535
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
1257
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
1258 del self.index[rev:]
1535
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
1259
1493
1a216cb4ee64 verify: add check for mismatch of index and data length
Matt Mackall <mpm@selenic.com>
parents: 1469
diff changeset
1260 def checksize(self):
1a216cb4ee64 verify: add check for mismatch of index and data length
Matt Mackall <mpm@selenic.com>
parents: 1469
diff changeset
1261 expected = 0
1a216cb4ee64 verify: add check for mismatch of index and data length
Matt Mackall <mpm@selenic.com>
parents: 1469
diff changeset
1262 if self.count():
1a216cb4ee64 verify: add check for mismatch of index and data length
Matt Mackall <mpm@selenic.com>
parents: 1469
diff changeset
1263 expected = self.end(self.count() - 1)
1667
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
1264
1494
249ca10d37f4 Handle empty logs in repo.checksize
Matt Mackall <mpm@selenic.com>
parents: 1493
diff changeset
1265 try:
249ca10d37f4 Handle empty logs in repo.checksize
Matt Mackall <mpm@selenic.com>
parents: 1493
diff changeset
1266 f = self.opener(self.datafile)
249ca10d37f4 Handle empty logs in repo.checksize
Matt Mackall <mpm@selenic.com>
parents: 1493
diff changeset
1267 f.seek(0, 2)
249ca10d37f4 Handle empty logs in repo.checksize
Matt Mackall <mpm@selenic.com>
parents: 1493
diff changeset
1268 actual = f.tell()
1667
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
1269 dd = actual - expected
1494
249ca10d37f4 Handle empty logs in repo.checksize
Matt Mackall <mpm@selenic.com>
parents: 1493
diff changeset
1270 except IOError, inst:
1667
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
1271 if inst.errno != errno.ENOENT:
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
1272 raise
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
1273 dd = 0
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
1274
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
1275 try:
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
1276 f = self.opener(self.indexfile)
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
1277 f.seek(0, 2)
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
1278 actual = f.tell()
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
1279 s = struct.calcsize(self.indexformat)
1667
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
1280 i = actual / s
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
1281 di = actual - (i * s)
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1282 if self.inlinedata():
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1283 databytes = 0
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1284 for r in xrange(self.count()):
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1285 databytes += self.length(r)
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1286 dd = 0
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1287 di = actual - self.count() * s - databytes
1667
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
1288 except IOError, inst:
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
1289 if inst.errno != errno.ENOENT:
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
1290 raise
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
1291 di = 0
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
1292
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
1293 return (dd, di)
1494
249ca10d37f4 Handle empty logs in repo.checksize
Matt Mackall <mpm@selenic.com>
parents: 1493
diff changeset
1294
249ca10d37f4 Handle empty logs in repo.checksize
Matt Mackall <mpm@selenic.com>
parents: 1493
diff changeset
1295