Mercurial > hg > mercurial-crew-with-dirclash
annotate hgext/convert/cvs.py @ 5244:dee573ba79f1
correctly record file-level history when the local side renames a directory
author | Alexis S. L. Carvalho <alexis@cecm.usp.br> |
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date | Mon, 27 Aug 2007 14:21:04 -0300 |
parents | dc2e512cb89a |
children | 7106f4899aa0 a76c61679b71 |
rev | line source |
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1 # CVS conversion code inspired by hg-cvs-import and git-cvsimport |
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2 |
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3 import os, locale, re, socket |
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4 from mercurial import util |
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5 |
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6 from common import NoRepo, commit, converter_source |
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7 |
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8 class convert_cvs(converter_source): |
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9 def __init__(self, ui, path): |
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10 self.path = path |
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11 self.ui = ui |
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12 cvs = os.path.join(path, "CVS") |
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13 if not os.path.exists(cvs): |
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14 raise NoRepo("couldn't open CVS repo %s" % path) |
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15 |
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16 self.changeset = {} |
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17 self.files = {} |
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18 self.tags = {} |
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19 self.lastbranch = {} |
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20 self.parent = {} |
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21 self.socket = None |
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22 self.cvsroot = file(os.path.join(cvs, "Root")).read()[:-1] |
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23 self.cvsrepo = file(os.path.join(cvs, "Repository")).read()[:-1] |
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24 self.encoding = locale.getpreferredencoding() |
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25 self._parse() |
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26 self._connect() |
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27 |
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28 def _parse(self): |
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29 if self.changeset: |
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30 return |
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31 |
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32 d = os.getcwd() |
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33 try: |
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34 os.chdir(self.path) |
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35 id = None |
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36 state = 0 |
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37 for l in os.popen("cvsps -A -u --cvs-direct -q"): |
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38 if state == 0: # header |
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39 if l.startswith("PatchSet"): |
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40 id = l[9:-2] |
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41 elif l.startswith("Date"): |
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42 date = util.parsedate(l[6:-1], ["%Y/%m/%d %H:%M:%S"]) |
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43 date = util.datestr(date) |
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44 elif l.startswith("Branch"): |
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45 branch = l[8:-1] |
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46 self.parent[id] = self.lastbranch.get(branch, 'bad') |
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47 self.lastbranch[branch] = id |
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48 elif l.startswith("Ancestor branch"): |
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49 ancestor = l[17:-1] |
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50 self.parent[id] = self.lastbranch[ancestor] |
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51 elif l.startswith("Author"): |
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52 author = self.recode(l[8:-1]) |
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53 elif l.startswith("Tag:") or l.startswith("Tags:"): |
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54 t = l[l.index(':')+1:] |
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55 t = [ut.strip() for ut in t.split(',')] |
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56 if (len(t) > 1) or (t[0] and (t[0] != "(none)")): |
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57 self.tags.update(dict.fromkeys(t, id)) |
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58 elif l.startswith("Log:"): |
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59 state = 1 |
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60 log = "" |
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61 elif state == 1: # log |
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62 if l == "Members: \n": |
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63 files = {} |
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64 log = self.recode(log[:-1]) |
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65 if log.isspace(): |
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66 log = "*** empty log message ***\n" |
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67 state = 2 |
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68 else: |
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69 log += l |
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70 elif state == 2: |
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71 if l == "\n": # |
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72 state = 0 |
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73 p = [self.parent[id]] |
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74 if id == "1": |
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75 p = [] |
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76 if branch == "HEAD": |
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77 branch = "" |
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78 c = commit(author=author, date=date, parents=p, |
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79 desc=log, branch=branch) |
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80 self.changeset[id] = c |
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81 self.files[id] = files |
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82 else: |
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83 colon = l.rfind(':') |
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84 file = l[1:colon] |
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85 rev = l[colon+1:-2] |
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86 rev = rev.split("->")[1] |
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87 files[file] = rev |
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88 |
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89 self.heads = self.lastbranch.values() |
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90 finally: |
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91 os.chdir(d) |
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92 |
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93 def _connect(self): |
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94 root = self.cvsroot |
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96 user, host = None, None |
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97 cmd = ['cvs', 'server'] |
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98 |
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99 self.ui.status("connecting to %s\n" % root) |
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100 |
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102 root = root[9:] | |
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103 m = re.match(r'(?:(.*?)(?::(.*?))?@)?([^:\/]*)(?::(\d*))?(.*)', |
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104 root) |
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106 conntype = "pserver" | |
107 user, passw, serv, port, root = m.groups() | |
108 if not user: | |
109 user = "anonymous" | |
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110 if not port: |
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111 port = 2401 |
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113 port = int(port) |
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114 format0 = ":pserver:%s@%s:%s" % (user, serv, root) |
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115 format1 = ":pserver:%s@%s:%d%s" % (user, serv, port, root) |
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116 |
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118 passw = "A" | |
119 pf = open(os.path.join(os.environ["HOME"], ".cvspass")) | |
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120 for line in pf.read().splitlines(): |
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121 part1, part2 = line.split(' ', 1) |
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122 if part1 == '/1': |
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123 # /1 :pserver:user@example.com:2401/cvsroot/foo Ah<Z |
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124 part1, part2 = part2.split(' ', 1) |
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125 format = format1 |
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126 else: |
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127 # :pserver:user@example.com:/cvsroot/foo Ah<Z |
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128 format = format0 |
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129 if part1 == format: |
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130 passw = part2 |
4047 | 131 break |
132 pf.close() | |
133 | |
134 sck = socket.socket() | |
135 sck.connect((serv, port)) | |
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136 sck.send("\n".join(["BEGIN AUTH REQUEST", root, user, passw, |
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137 "END AUTH REQUEST", ""])) |
4047 | 138 if sck.recv(128) != "I LOVE YOU\n": |
139 raise NoRepo("CVS pserver authentication failed") | |
140 | |
141 self.writep = self.readp = sck.makefile('r+') | |
142 | |
143 if not conntype and root.startswith(":local:"): | |
144 conntype = "local" | |
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145 root = root[7:] |
4047 | 146 |
147 if not conntype: | |
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148 # :ext:user@host/home/user/path/to/cvsroot |
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149 if root.startswith(":ext:"): |
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150 root = root[5:] |
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151 m = re.match(r'(?:([^@:/]+)@)?([^:/]+):?(.*)', root) |
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152 if not m: |
4047 | 153 conntype = "local" |
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154 else: |
4047 | 155 conntype = "rsh" |
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156 user, host, root = m.group(1), m.group(2), m.group(3) |
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157 |
4047 | 158 if conntype != "pserver": |
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159 if conntype == "rsh": |
4047 | 160 rsh = os.environ.get("CVS_RSH" or "rsh") |
161 if user: | |
162 cmd = [rsh, '-l', user, host] + cmd | |
163 else: | |
164 cmd = [rsh, host] + cmd | |
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165 |
4047 | 166 self.writep, self.readp = os.popen2(cmd) |
167 | |
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168 self.realroot = root |
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169 |
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170 self.writep.write("Root %s\n" % root) |
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171 self.writep.write("Valid-responses ok error Valid-requests Mode" |
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172 " M Mbinary E Checked-in Created Updated" |
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173 " Merged Removed\n") |
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174 self.writep.write("valid-requests\n") |
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175 self.writep.flush() |
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176 r = self.readp.readline() |
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177 if not r.startswith("Valid-requests"): |
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178 raise util.Abort("server sucks") |
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179 if "UseUnchanged" in r: |
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180 self.writep.write("UseUnchanged\n") |
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181 self.writep.flush() |
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182 r = self.readp.readline() |
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183 |
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184 def getheads(self): |
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185 return self.heads |
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186 |
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187 def _getfile(self, name, rev): |
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188 if rev.endswith("(DEAD)"): |
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189 raise IOError |
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190 |
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191 args = ("-N -P -kk -r %s --" % rev).split() |
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192 args.append(os.path.join(self.cvsrepo, name)) |
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193 for x in args: |
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194 self.writep.write("Argument %s\n" % x) |
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195 self.writep.write("Directory .\n%s\nco\n" % self.realroot) |
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196 self.writep.flush() |
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197 |
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198 data = "" |
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199 while 1: |
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200 line = self.readp.readline() |
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201 if line.startswith("Created ") or line.startswith("Updated "): |
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202 self.readp.readline() # path |
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203 self.readp.readline() # entries |
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204 mode = self.readp.readline()[:-1] |
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205 count = int(self.readp.readline()[:-1]) |
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206 data = self.readp.read(count) |
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207 elif line.startswith(" "): |
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208 data += line[1:] |
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209 elif line.startswith("M "): |
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210 pass |
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211 elif line.startswith("Mbinary "): |
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212 count = int(self.readp.readline()[:-1]) |
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213 data = self.readp.read(count) |
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214 else: |
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215 if line == "ok\n": |
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216 return (data, "x" in mode and "x" or "") |
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217 elif line.startswith("E "): |
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218 self.ui.warn("cvs server: %s\n" % line[2:]) |
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219 elif line.startswith("Remove"): |
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220 l = self.readp.readline() |
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221 l = self.readp.readline() |
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222 if l != "ok\n": |
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223 raise util.Abort("unknown CVS response: %s" % l) |
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224 else: |
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225 raise util.Abort("unknown CVS response: %s" % line) |
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226 |
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227 def getfile(self, file, rev): |
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228 data, mode = self._getfile(file, rev) |
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229 self.modecache[(file, rev)] = mode |
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230 return data |
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231 |
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232 def getmode(self, file, rev): |
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233 return self.modecache[(file, rev)] |
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234 |
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235 def getchanges(self, rev): |
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236 self.modecache = {} |
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237 files = self.files[rev] |
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238 cl = files.items() |
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239 cl.sort() |
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240 return cl |
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241 |
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242 def recode(self, text): |
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243 return text.decode(self.encoding, "replace").encode("utf-8") |
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244 |
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245 def getcommit(self, rev): |
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246 return self.changeset[rev] |
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247 |
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248 def gettags(self): |
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249 return self.tags |