annotate mercurial/revlog.py @ 3928:4df475e22248

Sync with -stable
author Matt Mackall <mpm@selenic.com>
date Sun, 17 Dec 2006 21:48:22 -0600
parents 6b4127c7d52a 27230c29bfec
children 01d98d68d697
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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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345bac2bc4ec update copyrights.
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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 for x in xrange(lend):
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150 if self.index[i + x] == None:
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151 b = data[off : off + self.s]
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152 self.index[i + x] = b
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153 n = b[self.shaoffset:self.shaoffset + 20]
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154 self.map[n] = i + x
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155 off += self.s
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156
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157 def findnode(self, node):
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158 """search backwards through the index file for a specific node"""
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159 if self.allmap: return None
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160
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161 # hg log will cause many many searches for the manifest
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162 # nodes. After we get called a few times, just load the whole
ee96ca273f32 New lazy index code for revlogs.
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163 # thing.
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164 if self.mapfind_count > 8:
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165 self.loadmap()
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166 if node in self.map:
ee96ca273f32 New lazy index code for revlogs.
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167 return node
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168 return None
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169 self.mapfind_count += 1
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170 last = self.l - 1
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diff changeset
171 while self.index[last] != None:
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172 if last == 0:
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173 self.all = 1
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174 self.allmap = 1
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175 return None
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176 last -= 1
ee96ca273f32 New lazy index code for revlogs.
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177 end = (last + 1) * self.s
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178 blocksize = self.s * 256
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179 while end >= 0:
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180 start = max(end - blocksize, 0)
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181 self.dataf.seek(start)
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182 data = self.dataf.read(end - start)
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183 findend = end - start
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184 while True:
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185 # we're searching backwards, so weh have to make sure
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186 # we don't find a changeset where this node is a parent
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187 off = data.rfind(node, 0, findend)
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188 findend = off
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189 if off >= 0:
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190 i = off / self.s
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191 off = i * self.s
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192 n = data[off + self.shaoffset:off + self.shaoffset + 20]
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193 if n == node:
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194 self.map[n] = i + start / self.s
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195 return node
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196 else:
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197 break
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198 end -= blocksize
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199 return None
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200
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201 def loadindex(self, i=None, end=None):
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202 if self.all: return
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203 all = False
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204 if i == None:
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205 blockstart = 0
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206 blocksize = (512 / self.s) * self.s
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207 end = self.datasize
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208 all = True
323
c6f0673ab7e9 lazyparser speed ups
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209 else:
2079
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210 if end:
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211 blockstart = i * self.s
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212 end = end * self.s
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213 blocksize = end - blockstart
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214 else:
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215 blockstart = (i & ~(32)) * self.s
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216 blocksize = self.s * 64
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217 end = blockstart + blocksize
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218 while blockstart < end:
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219 self.loadblock(blockstart, blocksize)
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220 blockstart += blocksize
ee96ca273f32 New lazy index code for revlogs.
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221 if all: self.all = True
515
03f27b1381f9 Whitespace cleanups
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diff changeset
222
1559
59b3639df0a9 Convert all classes to new-style classes by deriving them from object.
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diff changeset
223 class lazyindex(object):
1083
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224 """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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225 def __init__(self, parser):
d993ebd69d28 Add lazy{parser,index,map} to speed up processing of index files
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226 self.p = parser
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diff changeset
227 def __len__(self):
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diff changeset
228 return len(self.p.index)
115
39b438eeb25a Make lazyindex load slightly faster
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diff changeset
229 def load(self, pos):
1403
bc3e66edb04c lazyindex fix, make load handle negative indexes properly.
Eric Hopper <hopper@omnifarious.org>
parents: 1402
diff changeset
230 if pos < 0:
bc3e66edb04c lazyindex fix, make load handle negative indexes properly.
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parents: 1402
diff changeset
231 pos += len(self.p.index)
2079
ee96ca273f32 New lazy index code for revlogs.
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diff changeset
232 self.p.loadindex(pos)
115
39b438eeb25a Make lazyindex load slightly faster
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parents: 112
diff changeset
233 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
234 def __getitem__(self, pos):
2080
1cbb14c048cb Reduce index memory usage by storing the bare string instead of tuples
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235 ret = self.p.index[pos] or self.load(pos)
1cbb14c048cb Reduce index memory usage by storing the bare string instead of tuples
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diff changeset
236 if isinstance(ret, str):
1cbb14c048cb Reduce index memory usage by storing the bare string instead of tuples
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237 ret = struct.unpack(self.p.indexformat, ret)
1cbb14c048cb Reduce index memory usage by storing the bare string instead of tuples
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238 return ret
2072
74d3f5336b66 Implement revlogng.
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parents: 2002
diff changeset
239 def __setitem__(self, pos, item):
74d3f5336b66 Implement revlogng.
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diff changeset
240 self.p.index[pos] = item
1535
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
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diff changeset
241 def __delitem__(self, pos):
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
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diff changeset
242 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
243 def append(self, e):
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diff changeset
244 self.p.index.append(e)
515
03f27b1381f9 Whitespace cleanups
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diff changeset
245
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parents: 1551
diff changeset
246 class lazymap(object):
1083
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247 """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
248 def __init__(self, parser):
d993ebd69d28 Add lazy{parser,index,map} to speed up processing of index files
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diff changeset
249 self.p = parser
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diff changeset
250 def load(self, key):
2079
ee96ca273f32 New lazy index code for revlogs.
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diff changeset
251 n = self.p.findnode(key)
ee96ca273f32 New lazy index code for revlogs.
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parents: 2078
diff changeset
252 if n == None:
1214
34706a835d4a Smarter handling of revlog key errors
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parents: 1201
diff changeset
253 raise KeyError(key)
76
d993ebd69d28 Add lazy{parser,index,map} to speed up processing of index files
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diff changeset
254 def __contains__(self, key):
2079
ee96ca273f32 New lazy index code for revlogs.
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parents: 2078
diff changeset
255 if key in self.p.map:
ee96ca273f32 New lazy index code for revlogs.
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parents: 2078
diff changeset
256 return True
ee96ca273f32 New lazy index code for revlogs.
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diff changeset
257 self.p.loadmap()
323
c6f0673ab7e9 lazyparser speed ups
mpm@selenic.com
parents: 306
diff changeset
258 return key in self.p.map
97
7a2abee6b0c2 Add iterator to the lazymap code
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parents: 94
diff changeset
259 def __iter__(self):
469
e205194ca7ef Various node id lookup tweaks
mpm@selenic.com
parents: 451
diff changeset
260 yield nullid
97
7a2abee6b0c2 Add iterator to the lazymap code
mpm@selenic.com
parents: 94
diff changeset
261 for i in xrange(self.p.l):
2080
1cbb14c048cb Reduce index memory usage by storing the bare string instead of tuples
mason@suse.com
parents: 2079
diff changeset
262 ret = self.p.index[i]
1cbb14c048cb Reduce index memory usage by storing the bare string instead of tuples
mason@suse.com
parents: 2079
diff changeset
263 if not ret:
2079
ee96ca273f32 New lazy index code for revlogs.
mason@suse.com
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diff changeset
264 self.p.loadindex(i)
2080
1cbb14c048cb Reduce index memory usage by storing the bare string instead of tuples
mason@suse.com
parents: 2079
diff changeset
265 ret = self.p.index[i]
1cbb14c048cb Reduce index memory usage by storing the bare string instead of tuples
mason@suse.com
parents: 2079
diff changeset
266 if isinstance(ret, str):
1cbb14c048cb Reduce index memory usage by storing the bare string instead of tuples
mason@suse.com
parents: 2079
diff changeset
267 ret = struct.unpack(self.p.indexformat, ret)
1cbb14c048cb Reduce index memory usage by storing the bare string instead of tuples
mason@suse.com
parents: 2079
diff changeset
268 yield ret[-1]
76
d993ebd69d28 Add lazy{parser,index,map} to speed up processing of index files
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parents: 73
diff changeset
269 def __getitem__(self, key):
d993ebd69d28 Add lazy{parser,index,map} to speed up processing of index files
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parents: 73
diff changeset
270 try:
d993ebd69d28 Add lazy{parser,index,map} to speed up processing of index files
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parents: 73
diff changeset
271 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
272 except KeyError:
86
1b945e8ba67b Friendlier exceptions for unknown node errors
mpm@selenic.com
parents: 84
diff changeset
273 try:
1b945e8ba67b Friendlier exceptions for unknown node errors
mpm@selenic.com
parents: 84
diff changeset
274 self.load(key)
1b945e8ba67b Friendlier exceptions for unknown node errors
mpm@selenic.com
parents: 84
diff changeset
275 return self.p.map[key]
1b945e8ba67b Friendlier exceptions for unknown node errors
mpm@selenic.com
parents: 84
diff changeset
276 except KeyError:
1b945e8ba67b Friendlier exceptions for unknown node errors
mpm@selenic.com
parents: 84
diff changeset
277 raise KeyError("node " + hex(key))
76
d993ebd69d28 Add lazy{parser,index,map} to speed up processing of index files
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parents: 73
diff changeset
278 def __setitem__(self, key, val):
d993ebd69d28 Add lazy{parser,index,map} to speed up processing of index files
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parents: 73
diff changeset
279 self.p.map[key] = val
1535
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
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diff changeset
280 def __delitem__(self, key):
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
281 del self.p.map[key]
76
d993ebd69d28 Add lazy{parser,index,map} to speed up processing of index files
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parents: 73
diff changeset
282
1073
7b35a980b982 [PATCH] raise exceptions with Exception subclasses
Bart Trojanowski <bart@jukie.net>
parents: 1062
diff changeset
283 class RevlogError(Exception): pass
7b35a980b982 [PATCH] raise exceptions with Exception subclasses
Bart Trojanowski <bart@jukie.net>
parents: 1062
diff changeset
284
1559
59b3639df0a9 Convert all classes to new-style classes by deriving them from object.
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parents: 1551
diff changeset
285 class revlog(object):
1083
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diff changeset
286 """
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
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diff changeset
287 the underlying revision storage object
30974cf73435 Add some docstrings to revlog.py
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diff changeset
288
30974cf73435 Add some docstrings to revlog.py
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diff changeset
289 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
290
30974cf73435 Add some docstrings to revlog.py
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diff changeset
291 The index is a file with a fixed record size containing
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
292 information on each revision, includings its nodeid (hash), the
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
293 nodeids of its parents, the position and offset of its data within
30974cf73435 Add some docstrings to revlog.py
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parents: 1074
diff changeset
294 the data file, and the revision it's based on. Finally, each entry
30974cf73435 Add some docstrings to revlog.py
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parents: 1074
diff changeset
295 contains a linkrev entry that can serve as a pointer to external
30974cf73435 Add some docstrings to revlog.py
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parents: 1074
diff changeset
296 data.
30974cf73435 Add some docstrings to revlog.py
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diff changeset
297
30974cf73435 Add some docstrings to revlog.py
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parents: 1074
diff changeset
298 The revision data itself is a linear collection of data chunks.
30974cf73435 Add some docstrings to revlog.py
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diff changeset
299 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
300 delta against the previous chunk. To bound lookup time, runs of
30974cf73435 Add some docstrings to revlog.py
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diff changeset
301 deltas are limited to about 2 times the length of the original
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
302 version data. This makes retrieval of a version proportional to
30974cf73435 Add some docstrings to revlog.py
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parents: 1074
diff changeset
303 its size, or O(1) relative to the number of revisions.
30974cf73435 Add some docstrings to revlog.py
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diff changeset
304
30974cf73435 Add some docstrings to revlog.py
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parents: 1074
diff changeset
305 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
306 fashion, which means we never need to rewrite a file to insert or
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
307 remove data, and can use some simple techniques to avoid the need
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
308 for locking while reading.
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
309 """
2222
c9e264b115e6 Use revlogng and inlined data files by default
mason@suse.com
parents: 2177
diff changeset
310 def __init__(self, opener, indexfile, datafile,
c9e264b115e6 Use revlogng and inlined data files by default
mason@suse.com
parents: 2177
diff changeset
311 defversion=REVLOG_DEFAULT_VERSION):
1083
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parents: 1074
diff changeset
312 """
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
313 create a revlog object
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
314
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
315 opener is a function that abstracts the file opening operation
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
316 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
317 """
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
318 self.indexfile = indexfile
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
319 self.datafile = datafile
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
320 self.opener = opener
1784
2e0a288ca93e revalidate revlog data after locking the repo (issue132)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1749
diff changeset
321
2e0a288ca93e revalidate revlog data after locking the repo (issue132)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1749
diff changeset
322 self.indexstat = None
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
323 self.cache = None
1598
14d1f1868bf6 cleanup of revlog.group when repository is local
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1559
diff changeset
324 self.chunkcache = None
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
325 self.defversion = defversion
1784
2e0a288ca93e revalidate revlog data after locking the repo (issue132)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1749
diff changeset
326 self.load()
116
e484cd5ec282 Only use lazy indexing for big indices and avoid the overhead of the
mpm@selenic.com
parents: 115
diff changeset
327
1784
2e0a288ca93e revalidate revlog data after locking the repo (issue132)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1749
diff changeset
328 def load(self):
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
329 v = self.defversion
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
330 try:
1784
2e0a288ca93e revalidate revlog data after locking the repo (issue132)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1749
diff changeset
331 f = self.opener(self.indexfile)
2079
ee96ca273f32 New lazy index code for revlogs.
mason@suse.com
parents: 2078
diff changeset
332 i = f.read(4)
ee96ca273f32 New lazy index code for revlogs.
mason@suse.com
parents: 2078
diff changeset
333 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
334 except IOError, inst:
b3d44e9b3092 Make revlog constructor more discerning in its treatment of errors.
Bryan O'Sullivan <bos@serpentine.com>
parents: 1232
diff changeset
335 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
336 raise
76
d993ebd69d28 Add lazy{parser,index,map} to speed up processing of index files
mpm@selenic.com
parents: 73
diff changeset
337 i = ""
1784
2e0a288ca93e revalidate revlog data after locking the repo (issue132)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1749
diff changeset
338 else:
2e0a288ca93e revalidate revlog data after locking the repo (issue132)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1749
diff changeset
339 try:
2176
9b42304d9896 fix file handling bugs on windows.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2089
diff changeset
340 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
341 except AttributeError, inst:
2e0a288ca93e revalidate revlog data after locking the repo (issue132)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1749
diff changeset
342 st = None
2e0a288ca93e revalidate revlog data after locking the repo (issue132)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1749
diff changeset
343 else:
2e0a288ca93e revalidate revlog data after locking the repo (issue132)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1749
diff changeset
344 oldst = self.indexstat
2e0a288ca93e revalidate revlog data after locking the repo (issue132)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1749
diff changeset
345 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
346 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
347 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
348 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
349 return
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
350 self.indexstat = st
2138
f5046cab9e2e Fix revlog-ng interaction with old-http.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 2089
diff changeset
351 if len(i) > 0:
f5046cab9e2e Fix revlog-ng interaction with old-http.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 2089
diff changeset
352 v = struct.unpack(versionformat, i)[0]
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
353 flags = v & ~0xFFFF
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
354 fmt = v & 0xFFFF
2142
8a1e2a9c7013 Replaced 0 with REVLOGV0 where this meaning is used.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 2141
diff changeset
355 if fmt == REVLOGV0:
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
356 if flags:
3754
cd25a4a1a265 Improve error message for unknown revlog flags.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3744
diff changeset
357 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
358 % (self.indexfile, flags >> 16))
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
359 elif fmt == REVLOGNG:
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
360 if flags & ~REVLOGNGINLINEDATA:
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 revlogng")
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 else:
3744
3a099154b110 Make revlog error slightly less scary
Matt Mackall <mpm@selenic.com>
parents: 3683
diff changeset
364 raise RevlogError(_("index %s unknown format %d")
3680
69cf255a55a1 Indentation cleanups for 2956948b81f3.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3679
diff changeset
365 % (self.indexfile, fmt))
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
366 self.version = v
2142
8a1e2a9c7013 Replaced 0 with REVLOGV0 where this meaning is used.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 2141
diff changeset
367 if v == REVLOGV0:
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
368 self.indexformat = indexformatv0
2079
ee96ca273f32 New lazy index code for revlogs.
mason@suse.com
parents: 2078
diff changeset
369 shaoffset = v0shaoffset
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
370 else:
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
371 self.indexformat = indexformatng
2079
ee96ca273f32 New lazy index code for revlogs.
mason@suse.com
parents: 2078
diff changeset
372 shaoffset = ngshaoffset
116
e484cd5ec282 Only use lazy indexing for big indices and avoid the overhead of the
mpm@selenic.com
parents: 115
diff changeset
373
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
374 if i:
2250
45aef5ddcdbe windows: revlog.lazyparser not always safe to use.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2222
diff changeset
375 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
376 st and st.st_size > 10000):
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
377 # big index, let's parse it on demand
2079
ee96ca273f32 New lazy index code for revlogs.
mason@suse.com
parents: 2078
diff changeset
378 parser = lazyparser(f, st.st_size, self.indexformat, shaoffset)
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
379 self.index = lazyindex(parser)
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
380 self.nodemap = lazymap(parser)
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
381 else:
2255
3f38e872f39a Reduce ram used for very large inlined index files
mason@suse.com
parents: 2250
diff changeset
382 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
383 if self.version != REVLOGV0:
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
384 e = list(self.index[0])
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
385 type = self.ngtype(e[0])
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
386 e[0] = self.offset_type(0, type)
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
387 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
388 else:
3578
3b4e00cba57a Define and use nullrev (revision of nullid) instead of -1.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3505
diff changeset
389 self.nodemap = {nullid: nullrev}
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
390 self.index = []
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
391
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
392
2255
3f38e872f39a Reduce ram used for very large inlined index files
mason@suse.com
parents: 2250
diff changeset
393 def parseindex(self, fp, st):
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
394 s = struct.calcsize(self.indexformat)
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
395 self.index = []
3578
3b4e00cba57a Define and use nullrev (revision of nullid) instead of -1.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3505
diff changeset
396 self.nodemap = {nullid: nullrev}
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
397 inline = self.inlinedata()
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
398 n = 0
2255
3f38e872f39a Reduce ram used for very large inlined index files
mason@suse.com
parents: 2250
diff changeset
399 leftover = None
3f38e872f39a Reduce ram used for very large inlined index files
mason@suse.com
parents: 2250
diff changeset
400 while True:
3f38e872f39a Reduce ram used for very large inlined index files
mason@suse.com
parents: 2250
diff changeset
401 if st:
3f38e872f39a Reduce ram used for very large inlined index files
mason@suse.com
parents: 2250
diff changeset
402 data = fp.read(65536)
3f38e872f39a Reduce ram used for very large inlined index files
mason@suse.com
parents: 2250
diff changeset
403 else:
3f38e872f39a Reduce ram used for very large inlined index files
mason@suse.com
parents: 2250
diff changeset
404 # 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
405 data = fp.read()
3f38e872f39a Reduce ram used for very large inlined index files
mason@suse.com
parents: 2250
diff changeset
406 if not data:
3f38e872f39a Reduce ram used for very large inlined index files
mason@suse.com
parents: 2250
diff changeset
407 break
3f38e872f39a Reduce ram used for very large inlined index files
mason@suse.com
parents: 2250
diff changeset
408 if n == 0 and self.inlinedata():
3f38e872f39a Reduce ram used for very large inlined index files
mason@suse.com
parents: 2250
diff changeset
409 # cache the first chunk
3f38e872f39a Reduce ram used for very large inlined index files
mason@suse.com
parents: 2250
diff changeset
410 self.chunkcache = (0, data)
2289
854954fd410a Fix revlog.parseindex
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 2255
diff changeset
411 if leftover:
854954fd410a Fix revlog.parseindex
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 2255
diff changeset
412 data = leftover + data
854954fd410a Fix revlog.parseindex
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 2255
diff changeset
413 leftover = None
2255
3f38e872f39a Reduce ram used for very large inlined index files
mason@suse.com
parents: 2250
diff changeset
414 off = 0
3f38e872f39a Reduce ram used for very large inlined index files
mason@suse.com
parents: 2250
diff changeset
415 l = len(data)
3f38e872f39a Reduce ram used for very large inlined index files
mason@suse.com
parents: 2250
diff changeset
416 while off < l:
3f38e872f39a Reduce ram used for very large inlined index files
mason@suse.com
parents: 2250
diff changeset
417 if l - off < s:
3f38e872f39a Reduce ram used for very large inlined index files
mason@suse.com
parents: 2250
diff changeset
418 leftover = data[off:]
3f38e872f39a Reduce ram used for very large inlined index files
mason@suse.com
parents: 2250
diff changeset
419 break
2289
854954fd410a Fix revlog.parseindex
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 2255
diff changeset
420 cur = data[off:off + s]
854954fd410a Fix revlog.parseindex
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 2255
diff changeset
421 off += s
2255
3f38e872f39a Reduce ram used for very large inlined index files
mason@suse.com
parents: 2250
diff changeset
422 e = struct.unpack(self.indexformat, cur)
3f38e872f39a Reduce ram used for very large inlined index files
mason@suse.com
parents: 2250
diff changeset
423 self.index.append(e)
3f38e872f39a Reduce ram used for very large inlined index files
mason@suse.com
parents: 2250
diff changeset
424 self.nodemap[e[-1]] = n
3f38e872f39a Reduce ram used for very large inlined index files
mason@suse.com
parents: 2250
diff changeset
425 n += 1
3f38e872f39a Reduce ram used for very large inlined index files
mason@suse.com
parents: 2250
diff changeset
426 if inline:
3f38e872f39a Reduce ram used for very large inlined index files
mason@suse.com
parents: 2250
diff changeset
427 off += e[1]
3f38e872f39a Reduce ram used for very large inlined index files
mason@suse.com
parents: 2250
diff changeset
428 if off > l:
3f38e872f39a Reduce ram used for very large inlined index files
mason@suse.com
parents: 2250
diff changeset
429 # 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
430 fp.read(off - l)
3f38e872f39a Reduce ram used for very large inlined index files
mason@suse.com
parents: 2250
diff changeset
431 if not st:
3f38e872f39a Reduce ram used for very large inlined index files
mason@suse.com
parents: 2250
diff changeset
432 break
2600
c4325f0a9b91 clean up trailing white space.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2561
diff changeset
433
116
e484cd5ec282 Only use lazy indexing for big indices and avoid the overhead of the
mpm@selenic.com
parents: 115
diff changeset
434
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
435 def ngoffset(self, q):
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
436 if q & 0xFFFF:
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
437 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
438 (self.indexfile, q))
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
439 return long(q >> 16)
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
440
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
441 def ngtype(self, q):
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
442 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
443
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
444 def offset_type(self, offset, type):
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
445 return long(long(offset) << 16 | type)
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
446
2079
ee96ca273f32 New lazy index code for revlogs.
mason@suse.com
parents: 2078
diff changeset
447 def loadindex(self, start, end):
ee96ca273f32 New lazy index code for revlogs.
mason@suse.com
parents: 2078
diff changeset
448 """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
449 if isinstance(self.index, lazyindex):
ee96ca273f32 New lazy index code for revlogs.
mason@suse.com
parents: 2078
diff changeset
450 self.index.p.loadindex(start, end)
ee96ca273f32 New lazy index code for revlogs.
mason@suse.com
parents: 2078
diff changeset
451
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
452 def loadindexmap(self):
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
453 """loads both the map and the index from the lazy parser"""
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
454 if isinstance(self.index, lazyindex):
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
455 p = self.index.p
2079
ee96ca273f32 New lazy index code for revlogs.
mason@suse.com
parents: 2078
diff changeset
456 p.loadindex()
ee96ca273f32 New lazy index code for revlogs.
mason@suse.com
parents: 2078
diff changeset
457 self.nodemap = p.map
ee96ca273f32 New lazy index code for revlogs.
mason@suse.com
parents: 2078
diff changeset
458
ee96ca273f32 New lazy index code for revlogs.
mason@suse.com
parents: 2078
diff changeset
459 def loadmap(self):
ee96ca273f32 New lazy index code for revlogs.
mason@suse.com
parents: 2078
diff changeset
460 """loads the map from the lazy parser"""
ee96ca273f32 New lazy index code for revlogs.
mason@suse.com
parents: 2078
diff changeset
461 if isinstance(self.nodemap, lazymap):
ee96ca273f32 New lazy index code for revlogs.
mason@suse.com
parents: 2078
diff changeset
462 self.nodemap.p.loadmap()
ee96ca273f32 New lazy index code for revlogs.
mason@suse.com
parents: 2078
diff changeset
463 self.nodemap = self.nodemap.p.map
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
464
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
465 def inlinedata(self): return self.version & REVLOGNGINLINEDATA
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
466 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
467 def count(self): return len(self.index)
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
468 def node(self, rev):
3585
cac2c17bec5a revlog: more nullrev fixes
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3584
diff changeset
469 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
470 def rev(self, node):
59bfbdbc38f6 revlog: raise informative exception if file is missing.
Bryan O'Sullivan <bos@serpentine.com>
parents: 1099
diff changeset
471 try:
59bfbdbc38f6 revlog: raise informative exception if file is missing.
Bryan O'Sullivan <bos@serpentine.com>
parents: 1099
diff changeset
472 return self.nodemap[node]
59bfbdbc38f6 revlog: raise informative exception if file is missing.
Bryan O'Sullivan <bos@serpentine.com>
parents: 1099
diff changeset
473 except KeyError:
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
474 raise RevlogError(_('%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
475 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
476 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
477 def parents(self, node):
ecf3fd948051 Handle nullid better for ancestor
mpm@selenic.com
parents: 0
diff changeset
478 if node == nullid: return (nullid, nullid)
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
479 r = self.rev(node)
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
480 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
481 if self.version == REVLOGV0:
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
482 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
483 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
484 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
485 if rev == nullrev:
3b4e00cba57a Define and use nullrev (revision of nullid) instead of -1.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3505
diff changeset
486 return (nullrev, nullrev)
2489
568e58eed096 Add revlog.parentrevs function.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 2354
diff changeset
487 d = self.index[rev][-3:-1]
568e58eed096 Add revlog.parentrevs function.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 2354
diff changeset
488 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
489 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
490 return d
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
491 def start(self, rev):
3585
cac2c17bec5a revlog: more nullrev fixes
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3584
diff changeset
492 if rev == nullrev:
3584
8dbbe4dadb48 revlog: return 0 as offset for nullid
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3582
diff changeset
493 return 0
2142
8a1e2a9c7013 Replaced 0 with REVLOGV0 where this meaning is used.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 2141
diff changeset
494 if self.version != REVLOGV0:
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
495 return self.ngoffset(self.index[rev][0])
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
496 return self.index[rev][0]
2078
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
497
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
498 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
499
2078
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
500 def size(self, rev):
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
501 """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
502 if rev == nullrev:
9fb7d3a05882 revlog.size() fix handling of rev == -1
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3578
diff changeset
503 return 0
2078
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
504 l = -1
2142
8a1e2a9c7013 Replaced 0 with REVLOGV0 where this meaning is used.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 2141
diff changeset
505 if self.version != REVLOGV0:
2078
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
506 l = self.index[rev][2]
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
507 if l >= 0:
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
508 return l
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
509
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
510 t = self.revision(self.node(rev))
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
511 return len(t)
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
512
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
513 # 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
514 # 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
515 # 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
516 """
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
517 if self.cache and self.cache[1] == rev:
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
518 return len(self.cache[2])
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
519
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
520 base = self.base(rev)
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
521 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
522 base = self.cache[1]
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
523 text = self.cache[2]
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
524 else:
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
525 text = self.revision(self.node(base))
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
526
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
527 l = len(text)
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
528 for x in xrange(base + 1, rev + 1):
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
529 l = mdiff.patchedsize(l, self.chunk(x))
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
530 return l
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
531 """
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
532
1941
7518823709a2 revlog.py: factorization and fixes for rev < 0 (nullid)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1853
diff changeset
533 def length(self, rev):
3585
cac2c17bec5a revlog: more nullrev fixes
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3584
diff changeset
534 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
535 return 0
7518823709a2 revlog.py: factorization and fixes for rev < 0 (nullid)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1853
diff changeset
536 else:
7518823709a2 revlog.py: factorization and fixes for rev < 0 (nullid)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1853
diff changeset
537 return self.index[rev][1]
3585
cac2c17bec5a revlog: more nullrev fixes
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3584
diff changeset
538 def base(self, rev):
cac2c17bec5a revlog: more nullrev fixes
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3584
diff changeset
539 if (rev == nullrev):
cac2c17bec5a revlog: more nullrev fixes
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3584
diff changeset
540 return nullrev
cac2c17bec5a revlog: more nullrev fixes
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3584
diff changeset
541 else:
cac2c17bec5a revlog: more nullrev fixes
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3584
diff changeset
542 return self.index[rev][-5]
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
543
3633
508036290b00 revlog: reachable actually takes a node
Matt Mackall <mpm@selenic.com>
parents: 3585
diff changeset
544 def reachable(self, node, stop=None):
3683
b0fd43effdb3 add docstring to reachable
Matt Mackall <mpm@selenic.com>
parents: 3680
diff changeset
545 """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
546 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
547 reachable = {}
3633
508036290b00 revlog: reachable actually takes a node
Matt Mackall <mpm@selenic.com>
parents: 3585
diff changeset
548 visit = [node]
508036290b00 revlog: reachable actually takes a node
Matt Mackall <mpm@selenic.com>
parents: 3585
diff changeset
549 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
550 if stop:
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev
mason@suse.com
parents: 1073
diff changeset
551 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
552 else:
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev
mason@suse.com
parents: 1073
diff changeset
553 stopn = 0
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev
mason@suse.com
parents: 1073
diff changeset
554 while visit:
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev
mason@suse.com
parents: 1073
diff changeset
555 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
556 if n == stop:
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev
mason@suse.com
parents: 1073
diff changeset
557 continue
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev
mason@suse.com
parents: 1073
diff changeset
558 if n == nullid:
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev
mason@suse.com
parents: 1073
diff changeset
559 continue
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev
mason@suse.com
parents: 1073
diff changeset
560 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
561 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
562 continue
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev
mason@suse.com
parents: 1073
diff changeset
563 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
564 reachable[p] = 1
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev
mason@suse.com
parents: 1073
diff changeset
565 visit.append(p)
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev
mason@suse.com
parents: 1073
diff changeset
566 return reachable
55bf5cfde69e Add revlog.reachable to find a graph of ancestors for a given rev
mason@suse.com
parents: 1073
diff changeset
567
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
568 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
569 """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
570 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
571 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
572
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
573 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
574 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
575 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
576 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
577 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
578
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
579 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
580 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
581 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
582 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
583 nonodes = ([], [], [])
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
584 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
585 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
586 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
587 return nonodes
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
588 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
589 else:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
590 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
591 lowestrev = nullrev
3b4e00cba57a Define and use nullrev (revision of nullid) instead of -1.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3505
diff changeset
592 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
593 # 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
594 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
595 [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
596 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
597 # 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
598 # node.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
599 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
600 # 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
601 ancestors = None
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
602 # 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
603 heads = {}
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
604 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
605 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
606 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
607 return nonodes
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
608 ancestors = {}
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
609 # 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
610 # 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
611 # find from roots.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
612 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
613 # 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
614 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
615 # 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
616 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
617 while nodestotag:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
618 # 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
619 n = nodestotag.pop()
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
620 # Never tag nullid
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
621 if n == nullid:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
622 continue
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
623 # 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
624 # 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
625 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
626 if r >= lowestrev:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
627 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
628 # 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
629 # 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
630 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
631 # 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
632 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
633 p != nullid])
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
634 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
635 # 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
636 # any other heads.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
637 heads.pop(n)
1459
106fdec8e1fb Fix small bug in nodesbetween if heads is [nullid].
Eric Hopper <hopper@omnifarious.org>
parents: 1458
diff changeset
638 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
639 return nonodes
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
640 # 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
641 # 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
642
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
643 # 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
644 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
645 # 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
646 # 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
647
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
648 # 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
649 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
650 # 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
651 if roots:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
652 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
653 else:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
654 # 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
655 return nonodes
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
656 else:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
657 # 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
658 # 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
659 lowestrev = nullrev
1457
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
660 roots = [nullid]
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
661 # 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
662 # 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
663 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
664 # 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
665 # '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
666 roots = descendents.copy()
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
667 # 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
668 orderedout = []
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
669 # 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
670 # 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
671 # they're descendents.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
672 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
673 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
674 isdescendent = False
3578
3b4e00cba57a Define and use nullrev (revision of nullid) instead of -1.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3505
diff changeset
675 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
676 isdescendent = True
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
677 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
678 # 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
679 isdescendent = True
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
680 # 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
681 # 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
682 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
683 # 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
684 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
685 # 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
686 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
687 roots.pop(n)
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
688 else:
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
689 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
690 # 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
691 # 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
692 # up there, remember?)
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
693 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
694 descendents[n] = 1
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
695 isdescendent = True
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
696 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
697 # 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
698 orderedout.append(n)
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
699 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
700 # 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
701 # from roots.
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
702 # 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
703 heads[n] = 1
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
704 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
705 # 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
706 # 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
707 # 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
708 heads[n] = 1
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
709 # 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
710 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
711 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
712 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
713 roots = roots.keys()
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
714 assert orderedout
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
715 assert roots
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
716 assert heads
518da3c3b6ce This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents: 1351
diff changeset
717 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
718
3925
27230c29bfec fix calculation of new heads added during push with -r
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3755
diff changeset
719 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
720 """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
721
e793cbc8be00 Fixes to "hg heads -r FOO":
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1550
diff changeset
722 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
723 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
724 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
725 as if they had no children
1551
e793cbc8be00 Fixes to "hg heads -r FOO":
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1550
diff changeset
726 """
e793cbc8be00 Fixes to "hg heads -r FOO":
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1550
diff changeset
727 if start is None:
e793cbc8be00 Fixes to "hg heads -r FOO":
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1550
diff changeset
728 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
729 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
730 stop = []
27230c29bfec fix calculation of new heads added during push with -r
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3755
diff changeset
731 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
732 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
733 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
734 heads = {startrev: 1}
1083
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
735
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
736 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
737 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
738 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
739 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
740 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
741 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
742 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
743 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
744 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
745
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 return [self.node(r) for r in heads]
370
c90385d82aec revlog: add a children function
mpm@selenic.com
parents: 330
diff changeset
747
c90385d82aec revlog: add a children function
mpm@selenic.com
parents: 330
diff changeset
748 def children(self, node):
1083
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
749 """find the children of a given node"""
370
c90385d82aec revlog: add a children function
mpm@selenic.com
parents: 330
diff changeset
750 c = []
c90385d82aec revlog: add a children function
mpm@selenic.com
parents: 330
diff changeset
751 p = self.rev(node)
c90385d82aec revlog: add a children function
mpm@selenic.com
parents: 330
diff changeset
752 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
753 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
754 if pr == p:
c6773b7ebee8 revlog.children: use parentrevs instead of parents
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3438
diff changeset
755 c.append(self.node(r))
370
c90385d82aec revlog: add a children function
mpm@selenic.com
parents: 330
diff changeset
756 return c
515
03f27b1381f9 Whitespace cleanups
mpm@selenic.com
parents: 484
diff changeset
757
3494
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
758 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
759 if isinstance(id, (long, int)):
3152
d01e4cb2f5f2 cleanups in revlog.lookup
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3139
diff changeset
760 # 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
761 return self.node(id)
3438
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
762 if len(id) == 20:
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
763 # possibly a binary node
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
764 # 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
765 try:
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
766 node = id
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
767 r = self.rev(node) # quick search the index
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
768 return node
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
769 except RevlogError:
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
770 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
771 try:
3152
d01e4cb2f5f2 cleanups in revlog.lookup
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3139
diff changeset
772 # str(rev)
36
da28286bf6b7 Add smart node lookup by substring or by rev number
mpm@selenic.com
parents: 26
diff changeset
773 rev = int(id)
469
e205194ca7ef Various node id lookup tweaks
mpm@selenic.com
parents: 451
diff changeset
774 if str(rev) != id: raise ValueError
e205194ca7ef Various node id lookup tweaks
mpm@selenic.com
parents: 451
diff changeset
775 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
776 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
777 return self.node(rev)
469
e205194ca7ef Various node id lookup tweaks
mpm@selenic.com
parents: 451
diff changeset
778 except (ValueError, OverflowError):
3152
d01e4cb2f5f2 cleanups in revlog.lookup
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3139
diff changeset
779 pass
3494
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
780 if len(id) == 40:
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
781 try:
3438
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
782 # a full hex nodeid?
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
783 node = bin(id)
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
784 r = self.rev(node)
3153
4fe41a9e4591 optimize revlog.lookup when passed hex(node)[:...]
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 3152
diff changeset
785 return node
3494
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
786 except TypeError:
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
787 pass
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
788
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
789 def _partialmatch(self, id):
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
790 if len(id) < 40:
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
791 try:
3438
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
792 # hex(node)[:...]
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
793 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
794 node = None
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
795 for n in self.nodemap:
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
796 if n.startswith(bin_id) and hex(n).startswith(id):
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
797 if node is not None:
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
798 raise RevlogError(_("Ambiguous identifier"))
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
799 node = n
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
800 if node is not None:
b17f9d3eda74 revlog.lookup tweaks
Matt Mackall <mpm@selenic.com>
parents: 3390
diff changeset
801 return node
3494
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
802 except TypeError:
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
803 pass
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
804
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
805 def lookup(self, id):
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
806 """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
807 - 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
808 - 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
809 """
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
810
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
811 n = self._match(id)
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
812 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
813 return n
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
814 n = self._partialmatch(id)
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
815 if n:
dba3cadef789 Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents: 3438
diff changeset
816 return n
515
03f27b1381f9 Whitespace cleanups
mpm@selenic.com
parents: 484
diff changeset
817
2801
81d7db1aa0fb revlog.lookup optimization
Matt Mackall <mpm@selenic.com>
parents: 2652
diff changeset
818 raise RevlogError(_("No match found"))
36
da28286bf6b7 Add smart node lookup by substring or by rev number
mpm@selenic.com
parents: 26
diff changeset
819
2910
5df3e5cf16bc Move cmp bits from filelog to revlog
Matt Mackall <mpm@selenic.com>
parents: 2858
diff changeset
820 def cmp(self, node, text):
5df3e5cf16bc Move cmp bits from filelog to revlog
Matt Mackall <mpm@selenic.com>
parents: 2858
diff changeset
821 """compare text with a given file revision"""
5df3e5cf16bc Move cmp bits from filelog to revlog
Matt Mackall <mpm@selenic.com>
parents: 2858
diff changeset
822 p1, p2 = self.parents(node)
5df3e5cf16bc Move cmp bits from filelog to revlog
Matt Mackall <mpm@selenic.com>
parents: 2858
diff changeset
823 return hash(text, p1, p2) != node
5df3e5cf16bc Move cmp bits from filelog to revlog
Matt Mackall <mpm@selenic.com>
parents: 2858
diff changeset
824
5df3e5cf16bc Move cmp bits from filelog to revlog
Matt Mackall <mpm@selenic.com>
parents: 2858
diff changeset
825 def makenode(self, node, text):
5df3e5cf16bc Move cmp bits from filelog to revlog
Matt Mackall <mpm@selenic.com>
parents: 2858
diff changeset
826 """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
827 unchanged from 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 if self.cmp(node, text):
5df3e5cf16bc Move cmp bits from filelog to revlog
Matt Mackall <mpm@selenic.com>
parents: 2858
diff changeset
830 return hash(text, node, nullid)
5df3e5cf16bc Move cmp bits from filelog to revlog
Matt Mackall <mpm@selenic.com>
parents: 2858
diff changeset
831 return node
5df3e5cf16bc Move cmp bits from filelog to revlog
Matt Mackall <mpm@selenic.com>
parents: 2858
diff changeset
832
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
833 def diff(self, a, b):
1083
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
834 """return a delta between two revisions"""
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
835 return mdiff.textdiff(a, b)
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
836
73
ee1cbe841e01 Change revlog to use new patch code
mpm@selenic.com
parents: 71
diff changeset
837 def patches(self, t, pl):
1083
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
838 """apply a list of patches to a string"""
73
ee1cbe841e01 Change revlog to use new patch code
mpm@selenic.com
parents: 71
diff changeset
839 return mdiff.patches(t, pl)
ee1cbe841e01 Change revlog to use new patch code
mpm@selenic.com
parents: 71
diff changeset
840
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
841 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
842 start, length = self.start(rev), self.length(rev)
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
843 inline = self.inlinedata()
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
844 if inline:
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
845 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
846 end = start + length
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
847 def loadcache(df):
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
848 cache_length = max(cachelen, length) # 4k
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
849 if not df:
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
850 if inline:
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
851 df = self.opener(self.indexfile)
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
852 else:
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
853 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
854 df.seek(start)
14d1f1868bf6 cleanup of revlog.group when repository is local
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1559
diff changeset
855 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
856
14d1f1868bf6 cleanup of revlog.group when repository is local
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1559
diff changeset
857 if not self.chunkcache:
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
858 loadcache(df)
1598
14d1f1868bf6 cleanup of revlog.group when repository is local
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1559
diff changeset
859
14d1f1868bf6 cleanup of revlog.group when repository is local
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1559
diff changeset
860 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
861 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
862 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
863 # it is cached
14d1f1868bf6 cleanup of revlog.group when repository is local
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1559
diff changeset
864 offset = start - cache_start
14d1f1868bf6 cleanup of revlog.group when repository is local
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1559
diff changeset
865 else:
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
866 loadcache(df)
1598
14d1f1868bf6 cleanup of revlog.group when repository is local
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1559
diff changeset
867 offset = 0
14d1f1868bf6 cleanup of revlog.group when repository is local
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1559
diff changeset
868
14d1f1868bf6 cleanup of revlog.group when repository is local
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1559
diff changeset
869 #def checkchunk():
14d1f1868bf6 cleanup of revlog.group when repository is local
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1559
diff changeset
870 # 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
871 # df.seek(start)
14d1f1868bf6 cleanup of revlog.group when repository is local
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1559
diff changeset
872 # return df.read(length)
14d1f1868bf6 cleanup of revlog.group when repository is local
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1559
diff changeset
873 #assert s == checkchunk()
14d1f1868bf6 cleanup of revlog.group when repository is local
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1559
diff changeset
874 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
875
119
c7a66f9752a4 Add code to retrieve or construct a revlog delta
mpm@selenic.com
parents: 117
diff changeset
876 def delta(self, node):
1083
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
877 """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
878 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
879 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
880
7518823709a2 revlog.py: factorization and fixes for rev < 0 (nullid)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1853
diff changeset
881 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
882 """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
883 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
884 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
885 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
886 return self.chunk(rev2)
119
c7a66f9752a4 Add code to retrieve or construct a revlog delta
mpm@selenic.com
parents: 117
diff changeset
887 else:
1941
7518823709a2 revlog.py: factorization and fixes for rev < 0 (nullid)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1853
diff changeset
888 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
889 self.revision(self.node(rev2)))
119
c7a66f9752a4 Add code to retrieve or construct a revlog delta
mpm@selenic.com
parents: 117
diff changeset
890
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
891 def revision(self, node):
1083
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
892 """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
893 if node == nullid: return ""
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
894 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
895
1083
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
896 # look up what we need to read
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
897 text = None
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
898 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
899 base = self.base(rev)
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
900
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
901 if self.inlinedata():
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
902 # we probably have the whole chunk cached
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
903 df = None
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
904 else:
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
905 df = self.opener(self.datafile)
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
906
1083
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
907 # do we have useful data cached?
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
908 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
909 base = self.cache[1]
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
910 text = self.cache[2]
2079
ee96ca273f32 New lazy index code for revlogs.
mason@suse.com
parents: 2078
diff changeset
911 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
912 else:
2079
ee96ca273f32 New lazy index code for revlogs.
mason@suse.com
parents: 2078
diff changeset
913 self.loadindex(base, rev + 1)
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
914 text = self.chunk(base, df=df)
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
915
71
47c9a869adee Add mdiff.patches to speed up applying thousands of patches to the manifest
mpm@selenic.com
parents: 67
diff changeset
916 bins = []
64
b3e2ddff0159 Diff in subdirectories from Jake Edge
mpm@selenic.com
parents: 46
diff changeset
917 for r in xrange(base + 1, rev + 1):
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
918 bins.append(self.chunk(r, df=df))
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
919
1941
7518823709a2 revlog.py: factorization and fixes for rev < 0 (nullid)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1853
diff changeset
920 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
921
1598
14d1f1868bf6 cleanup of revlog.group when repository is local
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1559
diff changeset
922 p1, p2 = self.parents(node)
26
9cf83bf9ad38 Simplify integrity checking
mpm@selenic.com
parents: 14
diff changeset
923 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
924 raise RevlogError(_("integrity check failed on %s:%d")
3680
69cf255a55a1 Indentation cleanups for 2956948b81f3.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3679
diff changeset
925 % (self.datafile, rev))
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
926
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
927 self.cache = (node, rev, text)
515
03f27b1381f9 Whitespace cleanups
mpm@selenic.com
parents: 484
diff changeset
928 return text
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
929
2075
343aeefb553b Make the appendfile class inline-data index friendly
mason@suse.com
parents: 2073
diff changeset
930 def checkinlinesize(self, tr, fp=None):
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
931 if not self.inlinedata():
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
932 return
2075
343aeefb553b Make the appendfile class inline-data index friendly
mason@suse.com
parents: 2073
diff changeset
933 if not fp:
343aeefb553b Make the appendfile class inline-data index friendly
mason@suse.com
parents: 2073
diff changeset
934 fp = self.opener(self.indexfile, 'r')
2082
856f0ba200bc Additional appendfile fixes for interleaved data/index files
mason@suse.com
parents: 2081
diff changeset
935 fp.seek(0, 2)
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
936 size = fp.tell()
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
937 if size < 131072:
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
938 return
2084
Chris Mason <mason@suse.com>
parents: 2082
diff changeset
939 trinfo = tr.find(self.indexfile)
Chris Mason <mason@suse.com>
parents: 2082
diff changeset
940 if trinfo == None:
3680
69cf255a55a1 Indentation cleanups for 2956948b81f3.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3679
diff changeset
941 raise RevlogError(_("%s not found in the transaction")
69cf255a55a1 Indentation cleanups for 2956948b81f3.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3679
diff changeset
942 % self.indexfile)
2084
Chris Mason <mason@suse.com>
parents: 2082
diff changeset
943
Chris Mason <mason@suse.com>
parents: 2082
diff changeset
944 trindex = trinfo[2]
Chris Mason <mason@suse.com>
parents: 2082
diff changeset
945 dataoff = self.start(trindex)
Chris Mason <mason@suse.com>
parents: 2082
diff changeset
946
Chris Mason <mason@suse.com>
parents: 2082
diff changeset
947 tr.add(self.datafile, dataoff)
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
948 df = self.opener(self.datafile, 'w')
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
949 calc = struct.calcsize(self.indexformat)
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
950 for r in xrange(self.count()):
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
951 start = self.start(r) + (r + 1) * calc
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
952 length = self.length(r)
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
953 fp.seek(start)
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
954 d = fp.read(length)
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
955 df.write(d)
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
956 fp.close()
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
957 df.close()
2076
d007df6daf8e Create an atomic opener that does not automatically rename on close
mason@suse.com
parents: 2075
diff changeset
958 fp = self.opener(self.indexfile, 'w', atomictemp=True)
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
959 self.version &= ~(REVLOGNGINLINEDATA)
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
960 if self.count():
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
961 x = self.index[0]
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
962 e = struct.pack(self.indexformat, *x)[4:]
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
963 l = struct.pack(versionformat, self.version)
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
964 fp.write(l)
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
965 fp.write(e)
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
966
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
967 for i in xrange(1, self.count()):
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
968 x = self.index[i]
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
969 e = struct.pack(self.indexformat, *x)
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
970 fp.write(e)
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
971
2076
d007df6daf8e Create an atomic opener that does not automatically rename on close
mason@suse.com
parents: 2075
diff changeset
972 # 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
973 # real index
d007df6daf8e Create an atomic opener that does not automatically rename on close
mason@suse.com
parents: 2075
diff changeset
974 fp.rename()
2084
Chris Mason <mason@suse.com>
parents: 2082
diff changeset
975
Chris Mason <mason@suse.com>
parents: 2082
diff changeset
976 tr.replace(self.indexfile, trindex * calc)
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
977 self.chunkcache = None
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
978
644
6ebe118280bd Performance enhancements for manifest.add()
mason@suse.com
parents: 547
diff changeset
979 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
980 """add a revision to the log
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
981
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
982 text - the revision data to add
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
983 transaction - the transaction object used for rollback
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
984 link - the linkrev data to add
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
985 p1, p2 - the parent nodeids of the revision
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
986 d - an optional precomputed delta
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
987 """
3390
a74addddd092 make revlog.addgroup pass its file handles to addrevision
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3360
diff changeset
988 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
989 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
990 else:
a74addddd092 make revlog.addgroup pass its file handles to addrevision
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3360
diff changeset
991 dfh = None
a74addddd092 make revlog.addgroup pass its file handles to addrevision
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3360
diff changeset
992 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
993 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
994
a74addddd092 make revlog.addgroup pass its file handles to addrevision
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3360
diff changeset
995 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
996 if text is None: text = ""
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
997 if p1 is None: p1 = self.tip()
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
998 if p2 is None: p2 = nullid
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
999
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
1000 node = hash(text, p1, p2)
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
1001
301
5add718d92db revlog: allow duplicates
mpm@selenic.com
parents: 243
diff changeset
1002 if node in self.nodemap:
5add718d92db revlog: allow duplicates
mpm@selenic.com
parents: 243
diff changeset
1003 return node
5add718d92db revlog: allow duplicates
mpm@selenic.com
parents: 243
diff changeset
1004
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
1005 n = self.count()
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
1006 t = n - 1
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
1007
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
1008 if n:
64
b3e2ddff0159 Diff in subdirectories from Jake Edge
mpm@selenic.com
parents: 46
diff changeset
1009 base = self.base(t)
b3e2ddff0159 Diff in subdirectories from Jake Edge
mpm@selenic.com
parents: 46
diff changeset
1010 start = self.start(base)
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
1011 end = self.end(t)
644
6ebe118280bd Performance enhancements for manifest.add()
mason@suse.com
parents: 547
diff changeset
1012 if not d:
6ebe118280bd Performance enhancements for manifest.add()
mason@suse.com
parents: 547
diff changeset
1013 prev = self.revision(self.tip())
3333
9061613c1593 Teach bdiff to support buffer objects
Brendan Cully <brendan@kublai.com>
parents: 3210
diff changeset
1014 d = self.diff(prev, text)
98
3dde7c87e36d Add paranoia to diff code
mpm@selenic.com
parents: 97
diff changeset
1015 data = compress(d)
1533
3d11f81c9145 Reduce string duplication in compression code
mason@suse.com
parents: 1509
diff changeset
1016 l = len(data[1]) + len(data[0])
3d11f81c9145 Reduce string duplication in compression code
mason@suse.com
parents: 1509
diff changeset
1017 dist = end - start + l
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
1018
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
1019 # full versions are inserted when the needed deltas
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
1020 # become comparable to the uncompressed text
64
b3e2ddff0159 Diff in subdirectories from Jake Edge
mpm@selenic.com
parents: 46
diff changeset
1021 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
1022 data = compress(text)
1533
3d11f81c9145 Reduce string duplication in compression code
mason@suse.com
parents: 1509
diff changeset
1023 l = len(data[1]) + len(data[0])
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
1024 base = n
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
1025 else:
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
1026 base = self.base(t)
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
1027
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
1028 offset = 0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
1029 if t >= 0:
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
1030 offset = self.end(t)
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
1031
2142
8a1e2a9c7013 Replaced 0 with REVLOGV0 where this meaning is used.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 2141
diff changeset
1032 if self.version == REVLOGV0:
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
1033 e = (offset, l, base, link, p1, p2, node)
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
1034 else:
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
1035 e = (self.offset_type(offset, 0), l, len(text),
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
1036 base, link, self.rev(p1), self.rev(p2), node)
515
03f27b1381f9 Whitespace cleanups
mpm@selenic.com
parents: 484
diff changeset
1037
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
1038 self.index.append(e)
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
1039 self.nodemap[node] = n
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
1040 entry = struct.pack(self.indexformat, *e)
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
1041
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1042 if not self.inlinedata():
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1043 transaction.add(self.datafile, offset)
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1044 transaction.add(self.indexfile, n * len(entry))
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1045 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
1046 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
1047 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
1048 dfh.flush()
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1049 else:
3390
a74addddd092 make revlog.addgroup pass its file handles to addrevision
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3360
diff changeset
1050 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
1051 transaction.add(self.indexfile, ifh.tell(), self.count() - 1)
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
1052
2142
8a1e2a9c7013 Replaced 0 with REVLOGV0 where this meaning is used.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 2141
diff changeset
1053 if len(self.index) == 1 and self.version != REVLOGV0:
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
1054 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
1055 ifh.write(l)
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
1056 entry = entry[4:]
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
1057
3390
a74addddd092 make revlog.addgroup pass its file handles to addrevision
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3360
diff changeset
1058 ifh.write(entry)
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
1059
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1060 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
1061 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
1062 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
1063 self.checkinlinesize(transaction, ifh)
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1064
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
1065 self.cache = (node, n, text)
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
1066 return node
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
1067
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
1068 def ancestor(self, a, b):
1083
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
1069 """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
1070
3139
1fd1cdcc4200 Switch revlog.ancestor to use revisions rather than nodeids
Matt Mackall <mpm@selenic.com>
parents: 3136
diff changeset
1071 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
1072 return [p for p in self.parentrevs(rev) if p != nullrev]
515
03f27b1381f9 Whitespace cleanups
mpm@selenic.com
parents: 484
diff changeset
1073
3139
1fd1cdcc4200 Switch revlog.ancestor to use revisions rather than nodeids
Matt Mackall <mpm@selenic.com>
parents: 3136
diff changeset
1074 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
1075 if c is None:
1fd1cdcc4200 Switch revlog.ancestor to use revisions rather than nodeids
Matt Mackall <mpm@selenic.com>
parents: 3136
diff changeset
1076 return nullid
1fd1cdcc4200 Switch revlog.ancestor to use revisions rather than nodeids
Matt Mackall <mpm@selenic.com>
parents: 3136
diff changeset
1077
1fd1cdcc4200 Switch revlog.ancestor to use revisions rather than nodeids
Matt Mackall <mpm@selenic.com>
parents: 3136
diff changeset
1078 return self.node(c)
0
9117c6561b0b Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff changeset
1079
1598
14d1f1868bf6 cleanup of revlog.group when repository is local
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1559
diff changeset
1080 def group(self, nodelist, lookup, infocollect=None):
1083
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
1081 """calculate a delta group
46
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1082
1083
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
1083 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
1084 metadata corresponding to nodes. the first delta is
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
1085 parent(nodes[0]) -> nodes[0] the receiver is guaranteed to
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
1086 have this parent as it has all history before these
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
1087 changesets. parent is parent[0]
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
1088 """
1458
1033892bbb87 This changes the revlog.group and re-implements the localrepo.changeroup
Eric Hopper <hopper@omnifarious.org>
parents: 1457
diff changeset
1089 revs = [self.rev(n) for n in nodelist]
46
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1090
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1091 # 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
1092 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
1093 yield changegroup.closechunk()
192
5d8553352d2e Changes to network protocol
mpm@selenic.com
parents: 155
diff changeset
1094 return
46
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1095
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1096 # add the parent of the first rev
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1097 p = self.parents(self.node(revs[0]))[0]
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1098 revs.insert(0, self.rev(p))
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1099
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1100 # build deltas
71
47c9a869adee Add mdiff.patches to speed up applying thousands of patches to the manifest
mpm@selenic.com
parents: 67
diff changeset
1101 for d in xrange(0, len(revs) - 1):
46
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1102 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
1103 nb = self.node(b)
192
5d8553352d2e Changes to network protocol
mpm@selenic.com
parents: 155
diff changeset
1104
1458
1033892bbb87 This changes the revlog.group and re-implements the localrepo.changeroup
Eric Hopper <hopper@omnifarious.org>
parents: 1457
diff changeset
1105 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
1106 infocollect(nb)
1458
1033892bbb87 This changes the revlog.group and re-implements the localrepo.changeroup
Eric Hopper <hopper@omnifarious.org>
parents: 1457
diff changeset
1107
1941
7518823709a2 revlog.py: factorization and fixes for rev < 0 (nullid)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1853
diff changeset
1108 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
1109 p = self.parents(nb)
14d1f1868bf6 cleanup of revlog.group when repository is local
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1559
diff changeset
1110 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
1111 yield changegroup.genchunk("%s%s" % (meta, d))
46
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1112
1981
736b6c96bbbc make incoming work via ssh (issue139); move chunk code into separate module.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 1941
diff changeset
1113 yield changegroup.closechunk()
192
5d8553352d2e Changes to network protocol
mpm@selenic.com
parents: 155
diff changeset
1114
1062
6d5a62a549fa pep-0008 cleanup
benoit.boissinot@ens-lyon.fr
parents: 902
diff changeset
1115 def addgroup(self, revs, linkmapper, transaction, unique=0):
1083
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
1116 """
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
1117 add a delta group
46
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1118
1083
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
1119 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
1120 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
1121 log, the rest are against the previous delta.
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
1122 """
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
1123
30974cf73435 Add some docstrings to revlog.py
mpm@selenic.com
parents: 1074
diff changeset
1124 #track the base of the current delta log
46
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1125 r = self.count()
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1126 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
1127 node = None
515
03f27b1381f9 Whitespace cleanups
mpm@selenic.com
parents: 484
diff changeset
1128
3578
3b4e00cba57a Define and use nullrev (revision of nullid) instead of -1.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3505
diff changeset
1129 base = prev = nullrev
2078
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
1130 start = end = textlen = 0
46
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1131 if r:
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1132 end = self.end(t)
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1133
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
1134 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
1135 ifh.seek(0, 2)
2084
Chris Mason <mason@suse.com>
parents: 2082
diff changeset
1136 transaction.add(self.indexfile, ifh.tell(), self.count())
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1137 if self.inlinedata():
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1138 dfh = None
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1139 else:
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1140 transaction.add(self.datafile, end)
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1141 dfh = self.opener(self.datafile, "a")
46
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1142
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1143 # loop through our set of deltas
192
5d8553352d2e Changes to network protocol
mpm@selenic.com
parents: 155
diff changeset
1144 chain = None
5d8553352d2e Changes to network protocol
mpm@selenic.com
parents: 155
diff changeset
1145 for chunk in revs:
5d8553352d2e Changes to network protocol
mpm@selenic.com
parents: 155
diff changeset
1146 node, p1, p2, cs = struct.unpack("20s20s20s20s", chunk[:80])
94
7daef883134f Refactor merge code
mpm@selenic.com
parents: 86
diff changeset
1147 link = linkmapper(cs)
77
bed15e766511 Fix bug in lazymap code
mpm@selenic.com
parents: 76
diff changeset
1148 if node in self.nodemap:
224
ccbcc4d76f81 fix bad assumption about uniqueness of file versions
mpm@selenic.com
parents: 221
diff changeset
1149 # 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
1150 # 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
1151 # 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
1152 chain = node
224
ccbcc4d76f81 fix bad assumption about uniqueness of file versions
mpm@selenic.com
parents: 221
diff changeset
1153 continue
192
5d8553352d2e Changes to network protocol
mpm@selenic.com
parents: 155
diff changeset
1154 delta = chunk[80:]
5d8553352d2e Changes to network protocol
mpm@selenic.com
parents: 155
diff changeset
1155
1509
46a07392cf28 Add safety check for addgroup
Matt Mackall <mpm@selenic.com>
parents: 1494
diff changeset
1156 for p in (p1, p2):
46a07392cf28 Add safety check for addgroup
Matt Mackall <mpm@selenic.com>
parents: 1494
diff changeset
1157 if not p in self.nodemap:
2295
9c15f85e61b1 fix a typo in an error message
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 2289
diff changeset
1158 raise RevlogError(_("unknown parent %s") % short(p))
1509
46a07392cf28 Add safety check for addgroup
Matt Mackall <mpm@selenic.com>
parents: 1494
diff changeset
1159
192
5d8553352d2e Changes to network protocol
mpm@selenic.com
parents: 155
diff changeset
1160 if not chain:
5d8553352d2e Changes to network protocol
mpm@selenic.com
parents: 155
diff changeset
1161 # retrieve the parent revision of the delta chain
5d8553352d2e Changes to network protocol
mpm@selenic.com
parents: 155
diff changeset
1162 chain = p1
5d8553352d2e Changes to network protocol
mpm@selenic.com
parents: 155
diff changeset
1163 if not chain in self.nodemap:
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
1164 raise RevlogError(_("unknown base %s") % short(chain[:4]))
46
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1165
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1166 # full versions are inserted when the needed deltas become
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1167 # comparable to the uncompressed text or when the previous
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1168 # version is not the one we have a delta against. We use
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1169 # the size of the previous full rev as a proxy for the
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1170 # current size.
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1171
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1172 if chain == prev:
1533
3d11f81c9145 Reduce string duplication in compression code
mason@suse.com
parents: 1509
diff changeset
1173 tempd = compress(delta)
3d11f81c9145 Reduce string duplication in compression code
mason@suse.com
parents: 1509
diff changeset
1174 cdelta = tempd[0] + tempd[1]
2078
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
1175 textlen = mdiff.patchedsize(textlen, delta)
46
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1176
2078
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
1177 if chain != prev or (end - start + len(cdelta)) > textlen * 2:
46
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1178 # flush our writes here so we can read it in revision
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
1179 if dfh:
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
1180 dfh.flush()
46
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1181 ifh.flush()
65
d40cc5aacc31 Fix up a bunch of bugs in the new merge code
mpm@selenic.com
parents: 64
diff changeset
1182 text = self.revision(chain)
73
ee1cbe841e01 Change revlog to use new patch code
mpm@selenic.com
parents: 71
diff changeset
1183 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
1184 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
1185 ifh, dfh)
a74addddd092 make revlog.addgroup pass its file handles to addrevision
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 3360
diff changeset
1186 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
1187 # 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
1188 # 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
1189 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
1190 ifh = self.opener(self.indexfile, "a")
46
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1191 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
1192 raise RevlogError(_("consistency error adding group"))
2078
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
1193 textlen = len(text)
46
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1194 else:
2142
8a1e2a9c7013 Replaced 0 with REVLOGV0 where this meaning is used.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 2141
diff changeset
1195 if self.version == REVLOGV0:
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
1196 e = (end, len(cdelta), base, link, p1, p2, node)
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
1197 else:
2078
441ea218414e Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents: 2077
diff changeset
1198 e = (self.offset_type(end, 0), len(cdelta), textlen, base,
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
1199 link, self.rev(p1), self.rev(p2), node)
46
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1200 self.index.append(e)
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1201 self.nodemap[node] = r
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1202 if self.inlinedata():
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1203 ifh.write(struct.pack(self.indexformat, *e))
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1204 ifh.write(cdelta)
2075
343aeefb553b Make the appendfile class inline-data index friendly
mason@suse.com
parents: 2073
diff changeset
1205 self.checkinlinesize(transaction, ifh)
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1206 if not self.inlinedata():
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1207 dfh = self.opener(self.datafile, "a")
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1208 ifh = self.opener(self.indexfile, "a")
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1209 else:
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1210 dfh.write(cdelta)
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1211 ifh.write(struct.pack(self.indexformat, *e))
46
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1212
65
d40cc5aacc31 Fix up a bunch of bugs in the new merge code
mpm@selenic.com
parents: 64
diff changeset
1213 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
1214 base = self.base(t)
d457fec76ab0 fix warnings from pychecker (unused variables and shadowing)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1711
diff changeset
1215 start = self.start(base)
46
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1216 end = self.end(t)
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1217
93e868fa0db8 Add changegroup support
mpm@selenic.com
parents: 45
diff changeset
1218 return node
1493
1a216cb4ee64 verify: add check for mismatch of index and data length
Matt Mackall <mpm@selenic.com>
parents: 1469
diff changeset
1219
1535
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
1220 def strip(self, rev, minlink):
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
1221 if self.count() == 0 or rev >= self.count():
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
1222 return
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
1223
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
1224 if isinstance(self.index, lazyindex):
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
1225 self.loadindexmap()
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
1226
1535
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
1227 # 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
1228 # does not actually belong to an older changeset.
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
1229 # The minlink parameter defines the oldest revision
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
1230 # we're allowed to strip away.
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
1231 while minlink > self.index[rev][-4]:
1535
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
1232 rev += 1
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
1233 if rev >= self.count():
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
1234 return
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
1235
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
1236 # first truncate the files on disk
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
1237 end = self.start(rev)
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1238 if not self.inlinedata():
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1239 df = self.opener(self.datafile, "a")
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1240 df.truncate(end)
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1241 end = rev * struct.calcsize(self.indexformat)
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1242 else:
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1243 end += rev * struct.calcsize(self.indexformat)
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
1244
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
1245 indexf = self.opener(self.indexfile, "a")
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
1246 indexf.truncate(end)
1535
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
1247
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
1248 # 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
1249 self.cache = None
1711
8959700c2b19 revlog.strip should clear the chunkcache
mason@suse.com
parents: 1667
diff changeset
1250 self.chunkcache = None
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
1251 for x in xrange(rev, self.count()):
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
1252 del self.nodemap[self.node(x)]
1535
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
1253
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
1254 del self.index[rev:]
1535
7ae0ce7a3dc4 Add revlog.strip to truncate away revisions.
mason@suse.com
parents: 1533
diff changeset
1255
1493
1a216cb4ee64 verify: add check for mismatch of index and data length
Matt Mackall <mpm@selenic.com>
parents: 1469
diff changeset
1256 def checksize(self):
1a216cb4ee64 verify: add check for mismatch of index and data length
Matt Mackall <mpm@selenic.com>
parents: 1469
diff changeset
1257 expected = 0
1a216cb4ee64 verify: add check for mismatch of index and data length
Matt Mackall <mpm@selenic.com>
parents: 1469
diff changeset
1258 if self.count():
1a216cb4ee64 verify: add check for mismatch of index and data length
Matt Mackall <mpm@selenic.com>
parents: 1469
diff changeset
1259 expected = self.end(self.count() - 1)
1667
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
1260
1494
249ca10d37f4 Handle empty logs in repo.checksize
Matt Mackall <mpm@selenic.com>
parents: 1493
diff changeset
1261 try:
249ca10d37f4 Handle empty logs in repo.checksize
Matt Mackall <mpm@selenic.com>
parents: 1493
diff changeset
1262 f = self.opener(self.datafile)
249ca10d37f4 Handle empty logs in repo.checksize
Matt Mackall <mpm@selenic.com>
parents: 1493
diff changeset
1263 f.seek(0, 2)
249ca10d37f4 Handle empty logs in repo.checksize
Matt Mackall <mpm@selenic.com>
parents: 1493
diff changeset
1264 actual = f.tell()
1667
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
1265 dd = actual - expected
1494
249ca10d37f4 Handle empty logs in repo.checksize
Matt Mackall <mpm@selenic.com>
parents: 1493
diff changeset
1266 except IOError, inst:
1667
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
1267 if inst.errno != errno.ENOENT:
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
1268 raise
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
1269 dd = 0
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
1270
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
1271 try:
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
1272 f = self.opener(self.indexfile)
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
1273 f.seek(0, 2)
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
1274 actual = f.tell()
2072
74d3f5336b66 Implement revlogng.
mason@suse.com
parents: 2002
diff changeset
1275 s = struct.calcsize(self.indexformat)
1667
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
1276 i = actual / s
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
1277 di = actual - (i * s)
2073
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1278 if self.inlinedata():
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1279 databytes = 0
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1280 for r in xrange(self.count()):
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1281 databytes += self.length(r)
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1282 dd = 0
1e6745f78989 Implement data inlined with the index file
mason@suse.com
parents: 2072
diff changeset
1283 di = actual - self.count() * s - databytes
1667
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
1284 except IOError, inst:
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
1285 if inst.errno != errno.ENOENT:
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
1286 raise
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
1287 di = 0
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
1288
daff3ef0de8d verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents: 1660
diff changeset
1289 return (dd, di)
1494
249ca10d37f4 Handle empty logs in repo.checksize
Matt Mackall <mpm@selenic.com>
parents: 1493
diff changeset
1290
249ca10d37f4 Handle empty logs in repo.checksize
Matt Mackall <mpm@selenic.com>
parents: 1493
diff changeset
1291