Mercurial > hg
annotate hgext/convert/cvs.py @ 7101:e786192d995d
convert: make built-in cvsps the default
Reviewed by Frank Kingswood <frank@kingswood-consulting.co.uk>
author | Patrick Mezard <pmezard@gmail.com> |
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date | Wed, 15 Oct 2008 20:14:28 +0200 |
parents | 12472a240398 |
children | 4674706b5b95 |
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 cStringIO import StringIO |
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5 from mercurial import util |
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6 from mercurial.i18n import _ |
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7 |
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8 from common import NoRepo, commit, converter_source, checktool |
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9 import cvsps |
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10 |
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11 class convert_cvs(converter_source): |
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12 def __init__(self, ui, path, rev=None): |
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13 super(convert_cvs, self).__init__(ui, path, rev=rev) |
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14 |
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15 cvs = os.path.join(path, "CVS") |
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16 if not os.path.exists(cvs): |
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17 raise NoRepo("%s does not look like a CVS checkout" % path) |
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18 |
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19 checktool('cvs') |
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20 self.cmd = ui.config('convert', 'cvsps', 'builtin') |
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21 cvspsexe = self.cmd.split(None, 1)[0] |
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22 self.builtin = cvspsexe == 'builtin' |
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23 |
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24 if not self.builtin: |
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25 checktool(cvspsexe) |
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26 |
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27 self.changeset = {} |
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28 self.files = {} |
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29 self.tags = {} |
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30 self.lastbranch = {} |
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31 self.parent = {} |
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32 self.socket = None |
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33 self.cvsroot = file(os.path.join(cvs, "Root")).read()[:-1] |
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34 self.cvsrepo = file(os.path.join(cvs, "Repository")).read()[:-1] |
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35 self.encoding = locale.getpreferredencoding() |
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36 |
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37 self._parse(ui) |
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38 self._connect() |
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39 |
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40 def _parse(self, ui): |
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41 if self.changeset: |
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42 return |
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43 |
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44 maxrev = 0 |
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45 cmd = self.cmd |
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46 if self.rev: |
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47 # TODO: handle tags |
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48 try: |
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49 # patchset number? |
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50 maxrev = int(self.rev) |
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51 except ValueError: |
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52 try: |
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53 # date |
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54 util.parsedate(self.rev, ['%Y/%m/%d %H:%M:%S']) |
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56 except util.Abort: |
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57 raise util.Abort(_('revision %s is not a patchset number or date') % self.rev) |
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58 |
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59 d = os.getcwd() |
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60 try: |
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61 os.chdir(self.path) |
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62 id = None |
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63 state = 0 |
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64 filerevids = {} |
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65 |
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66 if self.builtin: |
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67 # builtin cvsps code |
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68 ui.status(_('using builtin cvsps\n')) |
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69 |
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70 db = cvsps.createlog(ui, cache='update') |
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71 db = cvsps.createchangeset(ui, db, |
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72 fuzz=int(ui.config('convert', 'cvsps.fuzz', 60)), |
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73 mergeto=ui.config('convert', 'cvsps.mergeto', None), |
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74 mergefrom=ui.config('convert', 'cvsps.mergefrom', None)) |
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75 |
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76 for cs in db: |
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77 if maxrev and cs.id>maxrev: |
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78 break |
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79 id = str(cs.id) |
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80 cs.author = self.recode(cs.author) |
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81 self.lastbranch[cs.branch] = id |
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82 cs.comment = self.recode(cs.comment) |
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83 date = util.datestr(cs.date) |
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84 self.tags.update(dict.fromkeys(cs.tags, id)) |
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85 |
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86 files = {} |
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87 for f in cs.entries: |
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88 files[f.file] = "%s%s" % ('.'.join([str(x) for x in f.revision]), |
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89 ['', '(DEAD)'][f.dead]) |
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90 |
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91 # add current commit to set |
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92 c = commit(author=cs.author, date=date, |
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93 parents=[str(p.id) for p in cs.parents], |
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94 desc=cs.comment, branch=cs.branch or '') |
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95 self.changeset[id] = c |
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96 self.files[id] = files |
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97 else: |
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98 # external cvsps |
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99 for l in util.popen(cmd): |
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100 if state == 0: # header |
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101 if l.startswith("PatchSet"): |
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102 id = l[9:-2] |
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103 if maxrev and int(id) > maxrev: |
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104 # ignore everything |
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105 state = 3 |
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106 elif l.startswith("Date"): |
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107 date = util.parsedate(l[6:-1], ["%Y/%m/%d %H:%M:%S"]) |
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108 date = util.datestr(date) |
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109 elif l.startswith("Branch"): |
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110 branch = l[8:-1] |
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111 self.parent[id] = self.lastbranch.get(branch, 'bad') |
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112 self.lastbranch[branch] = id |
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113 elif l.startswith("Ancestor branch"): |
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114 ancestor = l[17:-1] |
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115 # figure out the parent later |
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116 self.parent[id] = self.lastbranch[ancestor] |
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117 elif l.startswith("Author"): |
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118 author = self.recode(l[8:-1]) |
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119 elif l.startswith("Tag:") or l.startswith("Tags:"): |
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120 t = l[l.index(':')+1:] |
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121 t = [ut.strip() for ut in t.split(',')] |
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122 if (len(t) > 1) or (t[0] and (t[0] != "(none)")): |
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123 self.tags.update(dict.fromkeys(t, id)) |
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124 elif l.startswith("Log:"): |
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125 # switch to gathering log |
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126 state = 1 |
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127 log = "" |
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128 elif state == 1: # log |
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129 if l == "Members: \n": |
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130 # switch to gathering members |
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131 files = {} |
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132 oldrevs = [] |
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133 log = self.recode(log[:-1]) |
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134 state = 2 |
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135 else: |
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136 # gather log |
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137 log += l |
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138 elif state == 2: # members |
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139 if l == "\n": # start of next entry |
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140 state = 0 |
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141 p = [self.parent[id]] |
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142 if id == "1": |
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143 p = [] |
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144 if branch == "HEAD": |
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145 branch = "" |
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146 if branch: |
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147 latest = None |
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148 # the last changeset that contains a base |
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149 # file is our parent |
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150 for r in oldrevs: |
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151 latest = max(filerevids.get(r, None), latest) |
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152 if latest: |
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153 p = [latest] |
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154 |
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155 # add current commit to set |
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156 c = commit(author=author, date=date, parents=p, |
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157 desc=log, branch=branch) |
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158 self.changeset[id] = c |
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159 self.files[id] = files |
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160 else: |
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161 colon = l.rfind(':') |
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162 file = l[1:colon] |
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163 rev = l[colon+1:-2] |
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164 oldrev, rev = rev.split("->") |
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165 files[file] = rev |
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166 |
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167 # save some information for identifying branch points |
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168 oldrevs.append("%s:%s" % (oldrev, file)) |
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169 filerevids["%s:%s" % (rev, file)] = id |
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170 elif state == 3: |
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171 # swallow all input |
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172 continue |
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173 |
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174 self.heads = self.lastbranch.values() |
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175 finally: |
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176 os.chdir(d) |
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177 |
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178 def _connect(self): |
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179 root = self.cvsroot |
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181 user, host = None, None |
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182 cmd = ['cvs', 'server'] |
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183 |
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184 self.ui.status(_("connecting to %s\n") % root) |
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185 |
4047 | 186 if root.startswith(":pserver:"): |
187 root = root[9:] | |
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188 m = re.match(r'(?:(.*?)(?::(.*?))?@)?([^:\/]*)(?::(\d*))?(.*)', |
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189 root) |
4047 | 190 if m: |
191 conntype = "pserver" | |
192 user, passw, serv, port, root = m.groups() | |
193 if not user: | |
194 user = "anonymous" | |
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195 if not port: |
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196 port = 2401 |
4047 | 197 else: |
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198 port = int(port) |
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199 format0 = ":pserver:%s@%s:%s" % (user, serv, root) |
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200 format1 = ":pserver:%s@%s:%d%s" % (user, serv, port, root) |
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201 |
4047 | 202 if not passw: |
203 passw = "A" | |
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204 pf = open(os.path.expanduser("~/.cvspass")) |
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205 for line in pf.read().splitlines(): |
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206 part1, part2 = line.split(' ', 1) |
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207 if part1 == '/1': |
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208 # /1 :pserver:user@example.com:2401/cvsroot/foo Ah<Z |
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209 part1, part2 = part2.split(' ', 1) |
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210 format = format1 |
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211 else: |
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212 # :pserver:user@example.com:/cvsroot/foo Ah<Z |
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213 format = format0 |
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214 if part1 == format: |
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215 passw = part2 |
4047 | 216 break |
217 pf.close() | |
218 | |
219 sck = socket.socket() | |
220 sck.connect((serv, port)) | |
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221 sck.send("\n".join(["BEGIN AUTH REQUEST", root, user, passw, |
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222 "END AUTH REQUEST", ""])) |
4047 | 223 if sck.recv(128) != "I LOVE YOU\n": |
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224 raise util.Abort(_("CVS pserver authentication failed")) |
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226 self.writep = self.readp = sck.makefile('r+') | |
227 | |
228 if not conntype and root.startswith(":local:"): | |
229 conntype = "local" | |
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230 root = root[7:] |
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232 if not conntype: | |
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233 # :ext:user@host/home/user/path/to/cvsroot |
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234 if root.startswith(":ext:"): |
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235 root = root[5:] |
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236 m = re.match(r'(?:([^@:/]+)@)?([^:/]+):?(.*)', root) |
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237 # Do not take Windows path "c:\foo\bar" for a connection strings |
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238 if os.path.isdir(root) or not m: |
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240 else: |
4047 | 241 conntype = "rsh" |
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242 user, host, root = m.group(1), m.group(2), m.group(3) |
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243 |
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245 if conntype == "rsh": |
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246 rsh = os.environ.get("CVS_RSH") or "ssh" |
4047 | 247 if user: |
248 cmd = [rsh, '-l', user, host] + cmd | |
249 else: | |
250 cmd = [rsh, host] + cmd | |
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251 |
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252 # popen2 does not support argument lists under Windows |
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253 cmd = [util.shellquote(arg) for arg in cmd] |
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254 cmd = util.quotecommand(' '.join(cmd)) |
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255 self.writep, self.readp = os.popen2(cmd, 'b') |
4047 | 256 |
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257 self.realroot = root |
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258 |
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259 self.writep.write("Root %s\n" % root) |
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260 self.writep.write("Valid-responses ok error Valid-requests Mode" |
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261 " M Mbinary E Checked-in Created Updated" |
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262 " Merged Removed\n") |
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263 self.writep.write("valid-requests\n") |
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264 self.writep.flush() |
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265 r = self.readp.readline() |
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266 if not r.startswith("Valid-requests"): |
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267 raise util.Abort(_("server sucks")) |
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268 if "UseUnchanged" in r: |
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269 self.writep.write("UseUnchanged\n") |
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270 self.writep.flush() |
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271 r = self.readp.readline() |
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272 |
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273 def getheads(self): |
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274 return self.heads |
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275 |
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276 def _getfile(self, name, rev): |
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277 |
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278 def chunkedread(fp, count): |
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279 # file-objects returned by socked.makefile() do not handle |
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280 # large read() requests very well. |
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281 chunksize = 65536 |
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282 output = StringIO() |
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283 while count > 0: |
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284 data = fp.read(min(count, chunksize)) |
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285 if not data: |
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286 raise util.Abort(_("%d bytes missing from remote file") % count) |
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287 count -= len(data) |
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288 output.write(data) |
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289 return output.getvalue() |
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290 |
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291 if rev.endswith("(DEAD)"): |
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292 raise IOError |
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293 |
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294 args = ("-N -P -kk -r %s --" % rev).split() |
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295 args.append(self.cvsrepo + '/' + name) |
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296 for x in args: |
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297 self.writep.write("Argument %s\n" % x) |
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298 self.writep.write("Directory .\n%s\nco\n" % self.realroot) |
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299 self.writep.flush() |
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300 |
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301 data = "" |
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302 while 1: |
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303 line = self.readp.readline() |
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304 if line.startswith("Created ") or line.startswith("Updated "): |
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305 self.readp.readline() # path |
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306 self.readp.readline() # entries |
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307 mode = self.readp.readline()[:-1] |
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308 count = int(self.readp.readline()[:-1]) |
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309 data = chunkedread(self.readp, count) |
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310 elif line.startswith(" "): |
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311 data += line[1:] |
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312 elif line.startswith("M "): |
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313 pass |
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314 elif line.startswith("Mbinary "): |
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315 count = int(self.readp.readline()[:-1]) |
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316 data = chunkedread(self.readp, count) |
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317 else: |
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318 if line == "ok\n": |
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319 return (data, "x" in mode and "x" or "") |
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320 elif line.startswith("E "): |
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321 self.ui.warn(_("cvs server: %s\n") % line[2:]) |
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322 elif line.startswith("Remove"): |
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323 l = self.readp.readline() |
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324 l = self.readp.readline() |
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325 if l != "ok\n": |
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326 raise util.Abort(_("unknown CVS response: %s") % l) |
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327 else: |
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328 raise util.Abort(_("unknown CVS response: %s") % line) |
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329 |
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330 def getfile(self, file, rev): |
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331 data, mode = self._getfile(file, rev) |
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332 self.modecache[(file, rev)] = mode |
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333 return data |
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334 |
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335 def getmode(self, file, rev): |
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336 return self.modecache[(file, rev)] |
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337 |
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338 def getchanges(self, rev): |
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339 self.modecache = {} |
6762 | 340 return util.sort(self.files[rev].items()), {} |
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341 |
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342 def getcommit(self, rev): |
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343 return self.changeset[rev] |
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344 |
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345 def gettags(self): |
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346 return self.tags |
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347 |
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348 def getchangedfiles(self, rev, i): |
6762 | 349 return util.sort(self.files[rev].keys()) |