Mercurial > hg
annotate hgext/convert/cvs.py @ 8691:a0a541d6fed6
convert: fail fast if source does not support --sourcesort
author | Patrick Mezard <pmezard@gmail.com> |
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date | Mon, 01 Jun 2009 17:12:39 +0200 |
parents | 5edb2a8e29ea |
children | 3b76321aa0de 89fd11257d75 |
rev | line source |
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1 # cvs.py: CVS conversion code inspired by hg-cvs-import and git-cvsimport |
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2 # |
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3 # Copyright 2005-2009 Matt Mackall <mpm@selenic.com> and others |
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4 # |
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5 # This software may be used and distributed according to the terms of the |
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6 # GNU General Public License version 2, incorporated herein by reference. |
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7 |
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8 import os, locale, re, socket, errno |
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9 from cStringIO import StringIO |
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10 from mercurial import util |
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11 from mercurial.i18n import _ |
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12 |
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13 from common import NoRepo, commit, converter_source, checktool |
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14 import cvsps |
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15 |
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16 class convert_cvs(converter_source): |
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17 def __init__(self, ui, path, rev=None): |
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18 super(convert_cvs, self).__init__(ui, path, rev=rev) |
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19 |
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20 cvs = os.path.join(path, "CVS") |
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21 if not os.path.exists(cvs): |
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22 raise NoRepo("%s does not look like a CVS checkout" % path) |
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23 |
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24 checktool('cvs') |
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25 self.cmd = ui.config('convert', 'cvsps', 'builtin') |
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26 cvspsexe = self.cmd.split(None, 1)[0] |
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27 self.builtin = cvspsexe == 'builtin' |
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28 if not self.builtin: |
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29 ui.warn(_('warning: support for external cvsps is deprecated and ' |
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30 'will be removed in Mercurial 1.4\n')) |
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31 |
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32 if not self.builtin: |
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33 checktool(cvspsexe) |
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34 |
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35 self.changeset = None |
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36 self.files = {} |
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37 self.tags = {} |
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38 self.lastbranch = {} |
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39 self.parent = {} |
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40 self.socket = None |
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41 self.cvsroot = file(os.path.join(cvs, "Root")).read()[:-1] |
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42 self.cvsrepo = file(os.path.join(cvs, "Repository")).read()[:-1] |
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43 self.encoding = locale.getpreferredencoding() |
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44 |
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45 self._connect() |
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46 |
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47 def _parse(self): |
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48 if self.changeset is not None: |
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49 return |
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50 self.changeset = {} |
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51 |
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52 maxrev = 0 |
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53 cmd = self.cmd |
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54 if self.rev: |
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55 # TODO: handle tags |
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56 try: |
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57 # patchset number? |
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58 maxrev = int(self.rev) |
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59 except ValueError: |
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60 try: |
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61 # date |
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62 util.parsedate(self.rev, ['%Y/%m/%d %H:%M:%S']) |
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64 except util.Abort: |
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65 raise util.Abort(_('revision %s is not a patchset number or date') % self.rev) |
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66 |
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67 d = os.getcwd() |
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68 try: |
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69 os.chdir(self.path) |
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70 id = None |
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71 state = 0 |
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72 filerevids = {} |
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73 |
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74 if self.builtin: |
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75 # builtin cvsps code |
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76 self.ui.status(_('using builtin cvsps\n')) |
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77 |
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78 cache = 'update' |
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79 if not self.ui.configbool('convert', 'cvsps.cache', True): |
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80 cache = None |
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81 db = cvsps.createlog(self.ui, cache=cache) |
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82 db = cvsps.createchangeset(self.ui, db, |
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83 fuzz=int(self.ui.config('convert', 'cvsps.fuzz', 60)), |
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84 mergeto=self.ui.config('convert', 'cvsps.mergeto', None), |
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85 mergefrom=self.ui.config('convert', 'cvsps.mergefrom', None)) |
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86 |
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87 for cs in db: |
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88 if maxrev and cs.id>maxrev: |
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89 break |
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90 id = str(cs.id) |
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91 cs.author = self.recode(cs.author) |
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92 self.lastbranch[cs.branch] = id |
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93 cs.comment = self.recode(cs.comment) |
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94 date = util.datestr(cs.date) |
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95 self.tags.update(dict.fromkeys(cs.tags, id)) |
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96 |
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97 files = {} |
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98 for f in cs.entries: |
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99 files[f.file] = "%s%s" % ('.'.join([str(x) for x in f.revision]), |
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100 ['', '(DEAD)'][f.dead]) |
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101 |
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102 # add current commit to set |
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103 c = commit(author=cs.author, date=date, |
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104 parents=[str(p.id) for p in cs.parents], |
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105 desc=cs.comment, branch=cs.branch or '') |
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106 self.changeset[id] = c |
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107 self.files[id] = files |
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108 else: |
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109 # external cvsps |
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110 for l in util.popen(cmd): |
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111 if state == 0: # header |
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112 if l.startswith("PatchSet"): |
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113 id = l[9:-2] |
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114 if maxrev and int(id) > maxrev: |
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115 # ignore everything |
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116 state = 3 |
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117 elif l.startswith("Date:"): |
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118 date = util.parsedate(l[6:-1], ["%Y/%m/%d %H:%M:%S"]) |
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119 date = util.datestr(date) |
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120 elif l.startswith("Branch:"): |
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121 branch = l[8:-1] |
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122 self.parent[id] = self.lastbranch.get(branch, 'bad') |
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123 self.lastbranch[branch] = id |
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124 elif l.startswith("Ancestor branch:"): |
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125 ancestor = l[17:-1] |
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126 # figure out the parent later |
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127 self.parent[id] = self.lastbranch[ancestor] |
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128 elif l.startswith("Author:"): |
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129 author = self.recode(l[8:-1]) |
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130 elif l.startswith("Tag:") or l.startswith("Tags:"): |
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131 t = l[l.index(':')+1:] |
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132 t = [ut.strip() for ut in t.split(',')] |
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133 if (len(t) > 1) or (t[0] and (t[0] != "(none)")): |
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134 self.tags.update(dict.fromkeys(t, id)) |
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135 elif l.startswith("Log:"): |
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136 # switch to gathering log |
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137 state = 1 |
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138 log = "" |
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139 elif state == 1: # log |
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140 if l == "Members: \n": |
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141 # switch to gathering members |
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142 files = {} |
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143 oldrevs = [] |
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144 log = self.recode(log[:-1]) |
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145 state = 2 |
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146 else: |
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147 # gather log |
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148 log += l |
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149 elif state == 2: # members |
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150 if l == "\n": # start of next entry |
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151 state = 0 |
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152 p = [self.parent[id]] |
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153 if id == "1": |
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154 p = [] |
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155 if branch == "HEAD": |
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156 branch = "" |
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157 if branch: |
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158 latest = 0 |
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159 # the last changeset that contains a base |
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160 # file is our parent |
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161 for r in oldrevs: |
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162 latest = max(filerevids.get(r, 0), latest) |
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163 if latest: |
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164 p = [latest] |
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165 |
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166 # add current commit to set |
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167 c = commit(author=author, date=date, parents=p, |
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168 desc=log, branch=branch) |
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169 self.changeset[id] = c |
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170 self.files[id] = files |
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171 else: |
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172 colon = l.rfind(':') |
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173 file = l[1:colon] |
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174 rev = l[colon+1:-2] |
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175 oldrev, rev = rev.split("->") |
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176 files[file] = rev |
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177 |
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178 # save some information for identifying branch points |
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179 oldrevs.append("%s:%s" % (oldrev, file)) |
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180 filerevids["%s:%s" % (rev, file)] = id |
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181 elif state == 3: |
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182 # swallow all input |
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183 continue |
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184 |
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185 self.heads = self.lastbranch.values() |
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186 finally: |
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187 os.chdir(d) |
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188 |
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189 def _connect(self): |
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190 root = self.cvsroot |
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192 user, host = None, None |
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193 cmd = ['cvs', 'server'] |
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194 |
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195 self.ui.status(_("connecting to %s\n") % root) |
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196 |
4047 | 197 if root.startswith(":pserver:"): |
198 root = root[9:] | |
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199 m = re.match(r'(?:(.*?)(?::(.*?))?@)?([^:\/]*)(?::(\d*))?(.*)', |
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200 root) |
4047 | 201 if m: |
202 conntype = "pserver" | |
203 user, passw, serv, port, root = m.groups() | |
204 if not user: | |
205 user = "anonymous" | |
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206 if not port: |
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207 port = 2401 |
4047 | 208 else: |
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209 port = int(port) |
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210 format0 = ":pserver:%s@%s:%s" % (user, serv, root) |
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211 format1 = ":pserver:%s@%s:%d%s" % (user, serv, port, root) |
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212 |
4047 | 213 if not passw: |
214 passw = "A" | |
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215 cvspass = os.path.expanduser("~/.cvspass") |
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216 try: |
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217 pf = open(cvspass) |
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218 for line in pf.read().splitlines(): |
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219 part1, part2 = line.split(' ', 1) |
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220 if part1 == '/1': |
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221 # /1 :pserver:user@example.com:2401/cvsroot/foo Ah<Z |
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222 part1, part2 = part2.split(' ', 1) |
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223 format = format1 |
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224 else: |
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225 # :pserver:user@example.com:/cvsroot/foo Ah<Z |
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226 format = format0 |
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227 if part1 == format: |
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228 passw = part2 |
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229 break |
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230 pf.close() |
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231 except IOError, inst: |
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232 if inst.errno != errno.ENOENT: |
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233 if not getattr(inst, 'filename', None): |
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234 inst.filename = cvspass |
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235 raise |
4047 | 236 |
237 sck = socket.socket() | |
238 sck.connect((serv, port)) | |
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239 sck.send("\n".join(["BEGIN AUTH REQUEST", root, user, passw, |
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240 "END AUTH REQUEST", ""])) |
4047 | 241 if sck.recv(128) != "I LOVE YOU\n": |
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242 raise util.Abort(_("CVS pserver authentication failed")) |
4047 | 243 |
244 self.writep = self.readp = sck.makefile('r+') | |
245 | |
246 if not conntype and root.startswith(":local:"): | |
247 conntype = "local" | |
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248 root = root[7:] |
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250 if not conntype: | |
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251 # :ext:user@host/home/user/path/to/cvsroot |
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252 if root.startswith(":ext:"): |
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253 root = root[5:] |
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254 m = re.match(r'(?:([^@:/]+)@)?([^:/]+):?(.*)', root) |
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255 # Do not take Windows path "c:\foo\bar" for a connection strings |
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256 if os.path.isdir(root) or not m: |
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258 else: |
4047 | 259 conntype = "rsh" |
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260 user, host, root = m.group(1), m.group(2), m.group(3) |
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261 |
4047 | 262 if conntype != "pserver": |
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263 if conntype == "rsh": |
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264 rsh = os.environ.get("CVS_RSH") or "ssh" |
4047 | 265 if user: |
266 cmd = [rsh, '-l', user, host] + cmd | |
267 else: | |
268 cmd = [rsh, host] + cmd | |
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269 |
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270 # popen2 does not support argument lists under Windows |
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271 cmd = [util.shellquote(arg) for arg in cmd] |
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272 cmd = util.quotecommand(' '.join(cmd)) |
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273 self.writep, self.readp = util.popen2(cmd) |
4047 | 274 |
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275 self.realroot = root |
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276 |
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277 self.writep.write("Root %s\n" % root) |
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278 self.writep.write("Valid-responses ok error Valid-requests Mode" |
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279 " M Mbinary E Checked-in Created Updated" |
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280 " Merged Removed\n") |
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281 self.writep.write("valid-requests\n") |
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282 self.writep.flush() |
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283 r = self.readp.readline() |
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284 if not r.startswith("Valid-requests"): |
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285 raise util.Abort(_("server sucks")) |
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286 if "UseUnchanged" in r: |
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287 self.writep.write("UseUnchanged\n") |
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288 self.writep.flush() |
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289 r = self.readp.readline() |
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290 |
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291 def getheads(self): |
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292 self._parse() |
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293 return self.heads |
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294 |
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295 def _getfile(self, name, rev): |
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296 |
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297 def chunkedread(fp, count): |
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298 # file-objects returned by socked.makefile() do not handle |
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299 # large read() requests very well. |
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300 chunksize = 65536 |
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301 output = StringIO() |
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302 while count > 0: |
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303 data = fp.read(min(count, chunksize)) |
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304 if not data: |
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305 raise util.Abort(_("%d bytes missing from remote file") % count) |
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306 count -= len(data) |
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307 output.write(data) |
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308 return output.getvalue() |
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309 |
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310 if rev.endswith("(DEAD)"): |
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311 raise IOError |
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312 |
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313 args = ("-N -P -kk -r %s --" % rev).split() |
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314 args.append(self.cvsrepo + '/' + name) |
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315 for x in args: |
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316 self.writep.write("Argument %s\n" % x) |
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317 self.writep.write("Directory .\n%s\nco\n" % self.realroot) |
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318 self.writep.flush() |
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319 |
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320 data = "" |
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321 while 1: |
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322 line = self.readp.readline() |
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323 if line.startswith("Created ") or line.startswith("Updated "): |
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324 self.readp.readline() # path |
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325 self.readp.readline() # entries |
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326 mode = self.readp.readline()[:-1] |
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327 count = int(self.readp.readline()[:-1]) |
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328 data = chunkedread(self.readp, count) |
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329 elif line.startswith(" "): |
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330 data += line[1:] |
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331 elif line.startswith("M "): |
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332 pass |
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333 elif line.startswith("Mbinary "): |
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334 count = int(self.readp.readline()[:-1]) |
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335 data = chunkedread(self.readp, count) |
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336 else: |
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337 if line == "ok\n": |
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338 return (data, "x" in mode and "x" or "") |
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339 elif line.startswith("E "): |
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340 self.ui.warn(_("cvs server: %s\n") % line[2:]) |
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341 elif line.startswith("Remove"): |
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342 self.readp.readline() |
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343 else: |
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344 raise util.Abort(_("unknown CVS response: %s") % line) |
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345 |
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346 def getfile(self, file, rev): |
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347 self._parse() |
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348 data, mode = self._getfile(file, rev) |
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349 self.modecache[(file, rev)] = mode |
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350 return data |
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351 |
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352 def getmode(self, file, rev): |
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353 return self.modecache[(file, rev)] |
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354 |
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355 def getchanges(self, rev): |
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356 self._parse() |
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357 self.modecache = {} |
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358 return sorted(self.files[rev].iteritems()), {} |
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359 |
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360 def getcommit(self, rev): |
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361 self._parse() |
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362 return self.changeset[rev] |
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363 |
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364 def gettags(self): |
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365 self._parse() |
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366 return self.tags |
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367 |
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368 def getchangedfiles(self, rev, i): |
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369 self._parse() |
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370 return sorted(self.files[rev]) |