Mercurial > hg
annotate hgext/convert/cvs.py @ 5921:549a7ebe1607
merge with crew-stable
author | Thomas Arendsen Hein <thomas@intevation.de> |
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date | Tue, 22 Jan 2008 00:55:01 +0100 |
parents | 493632bb171c 5df7cb799baf |
children | fb259a3572e9 |
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 |
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7 from common import NoRepo, commit, converter_source, checktool |
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8 |
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9 class convert_cvs(converter_source): |
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10 def __init__(self, ui, path, rev=None): |
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11 super(convert_cvs, self).__init__(ui, path, rev=rev) |
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12 |
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13 cvs = os.path.join(path, "CVS") |
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14 if not os.path.exists(cvs): |
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15 raise NoRepo("%s does not look like a CVS checkout" % path) |
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16 |
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17 for tool in ('cvsps', 'cvs'): |
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18 checktool(tool) |
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19 |
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20 self.changeset = {} |
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21 self.files = {} |
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22 self.tags = {} |
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23 self.lastbranch = {} |
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24 self.parent = {} |
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25 self.socket = None |
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26 self.cvsroot = file(os.path.join(cvs, "Root")).read()[:-1] |
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27 self.cvsrepo = file(os.path.join(cvs, "Repository")).read()[:-1] |
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28 self.encoding = locale.getpreferredencoding() |
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29 self._parse() |
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30 self._connect() |
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31 |
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32 def _parse(self): |
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33 if self.changeset: |
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34 return |
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35 |
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36 maxrev = 0 |
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37 cmd = 'cvsps -A -u --cvs-direct -q' |
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38 if self.rev: |
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39 # TODO: handle tags |
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40 try: |
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41 # patchset number? |
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42 maxrev = int(self.rev) |
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43 except ValueError: |
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44 try: |
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45 # date |
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46 util.parsedate(self.rev, ['%Y/%m/%d %H:%M:%S']) |
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48 except util.Abort: |
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49 raise util.Abort('revision %s is not a patchset number or date' % self.rev) |
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50 |
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51 d = os.getcwd() |
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52 try: |
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53 os.chdir(self.path) |
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54 id = None |
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55 state = 0 |
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56 filerevids = {} |
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57 for l in util.popen(cmd): |
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58 if state == 0: # header |
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59 if l.startswith("PatchSet"): |
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60 id = l[9:-2] |
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61 if maxrev and int(id) > maxrev: |
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62 # ignore everything |
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63 state = 3 |
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64 elif l.startswith("Date"): |
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65 date = util.parsedate(l[6:-1], ["%Y/%m/%d %H:%M:%S"]) |
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66 date = util.datestr(date) |
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67 elif l.startswith("Branch"): |
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68 branch = l[8:-1] |
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69 self.parent[id] = self.lastbranch.get(branch, 'bad') |
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70 self.lastbranch[branch] = id |
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71 elif l.startswith("Ancestor branch"): |
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72 ancestor = l[17:-1] |
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73 # figure out the parent later |
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74 self.parent[id] = None |
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75 elif l.startswith("Author"): |
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76 author = self.recode(l[8:-1]) |
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77 elif l.startswith("Tag:") or l.startswith("Tags:"): |
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78 t = l[l.index(':')+1:] |
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79 t = [ut.strip() for ut in t.split(',')] |
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80 if (len(t) > 1) or (t[0] and (t[0] != "(none)")): |
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81 self.tags.update(dict.fromkeys(t, id)) |
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82 elif l.startswith("Log:"): |
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83 # switch to gathering log |
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84 state = 1 |
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85 log = "" |
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86 elif state == 1: # log |
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87 if l == "Members: \n": |
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88 # switch to gathering members |
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89 files = {} |
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90 oldrevs = [] |
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91 log = self.recode(log[:-1]) |
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92 state = 2 |
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93 else: |
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94 # gather log |
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95 log += l |
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96 elif state == 2: # members |
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97 if l == "\n": # start of next entry |
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98 state = 0 |
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99 p = [self.parent[id]] |
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100 if id == "1": |
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101 p = [] |
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102 if branch == "HEAD": |
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103 branch = "" |
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104 if branch and p[0] == None: |
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105 latest = None |
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106 # the last changeset that contains a base |
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107 # file is our parent |
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108 for r in oldrevs: |
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109 latest = max(filerevids[r], latest) |
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110 p = [latest] |
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111 |
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112 # add current commit to set |
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113 c = commit(author=author, date=date, parents=p, |
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114 desc=log, branch=branch) |
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115 self.changeset[id] = c |
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116 self.files[id] = files |
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117 else: |
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118 colon = l.rfind(':') |
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119 file = l[1:colon] |
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120 rev = l[colon+1:-2] |
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121 oldrev, rev = rev.split("->") |
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122 files[file] = rev |
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123 |
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124 # save some information for identifying branch points |
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125 oldrevs.append("%s:%s" % (oldrev, file)) |
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126 filerevids["%s:%s" % (rev, file)] = id |
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127 elif state == 3: |
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128 # swallow all input |
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129 continue |
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130 |
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131 self.heads = self.lastbranch.values() |
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132 finally: |
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133 os.chdir(d) |
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134 |
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135 def _connect(self): |
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136 root = self.cvsroot |
4047 | 137 conntype = None |
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138 user, host = None, None |
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139 cmd = ['cvs', 'server'] |
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140 |
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141 self.ui.status("connecting to %s\n" % root) |
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142 |
4047 | 143 if root.startswith(":pserver:"): |
144 root = root[9:] | |
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145 m = re.match(r'(?:(.*?)(?::(.*?))?@)?([^:\/]*)(?::(\d*))?(.*)', |
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146 root) |
4047 | 147 if m: |
148 conntype = "pserver" | |
149 user, passw, serv, port, root = m.groups() | |
150 if not user: | |
151 user = "anonymous" | |
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152 if not port: |
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153 port = 2401 |
4047 | 154 else: |
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155 port = int(port) |
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156 format0 = ":pserver:%s@%s:%s" % (user, serv, root) |
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157 format1 = ":pserver:%s@%s:%d%s" % (user, serv, port, root) |
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158 |
4047 | 159 if not passw: |
160 passw = "A" | |
161 pf = open(os.path.join(os.environ["HOME"], ".cvspass")) | |
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162 for line in pf.read().splitlines(): |
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163 part1, part2 = line.split(' ', 1) |
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164 if part1 == '/1': |
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165 # /1 :pserver:user@example.com:2401/cvsroot/foo Ah<Z |
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166 part1, part2 = part2.split(' ', 1) |
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167 format = format1 |
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168 else: |
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169 # :pserver:user@example.com:/cvsroot/foo Ah<Z |
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170 format = format0 |
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171 if part1 == format: |
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172 passw = part2 |
4047 | 173 break |
174 pf.close() | |
175 | |
176 sck = socket.socket() | |
177 sck.connect((serv, port)) | |
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178 sck.send("\n".join(["BEGIN AUTH REQUEST", root, user, passw, |
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179 "END AUTH REQUEST", ""])) |
4047 | 180 if sck.recv(128) != "I LOVE YOU\n": |
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181 raise util.Abort("CVS pserver authentication failed") |
4047 | 182 |
183 self.writep = self.readp = sck.makefile('r+') | |
184 | |
185 if not conntype and root.startswith(":local:"): | |
186 conntype = "local" | |
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187 root = root[7:] |
4047 | 188 |
189 if not conntype: | |
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190 # :ext:user@host/home/user/path/to/cvsroot |
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191 if root.startswith(":ext:"): |
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192 root = root[5:] |
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193 m = re.match(r'(?:([^@:/]+)@)?([^:/]+):?(.*)', root) |
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194 # Do not take Windows path "c:\foo\bar" for a connection strings |
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195 if os.path.isdir(root) or not m: |
4047 | 196 conntype = "local" |
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197 else: |
4047 | 198 conntype = "rsh" |
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199 user, host, root = m.group(1), m.group(2), m.group(3) |
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200 |
4047 | 201 if conntype != "pserver": |
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202 if conntype == "rsh": |
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203 rsh = os.environ.get("CVS_RSH") or "ssh" |
4047 | 204 if user: |
205 cmd = [rsh, '-l', user, host] + cmd | |
206 else: | |
207 cmd = [rsh, host] + cmd | |
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208 |
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209 # popen2 does not support argument lists under Windows |
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210 cmd = [util.shellquote(arg) for arg in cmd] |
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211 cmd = util.quotecommand(' '.join(cmd)) |
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212 self.writep, self.readp = os.popen2(cmd, 'b') |
4047 | 213 |
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214 self.realroot = root |
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215 |
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216 self.writep.write("Root %s\n" % root) |
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217 self.writep.write("Valid-responses ok error Valid-requests Mode" |
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218 " M Mbinary E Checked-in Created Updated" |
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219 " Merged Removed\n") |
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220 self.writep.write("valid-requests\n") |
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221 self.writep.flush() |
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222 r = self.readp.readline() |
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223 if not r.startswith("Valid-requests"): |
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224 raise util.Abort("server sucks") |
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225 if "UseUnchanged" in r: |
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226 self.writep.write("UseUnchanged\n") |
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227 self.writep.flush() |
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228 r = self.readp.readline() |
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229 |
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230 def getheads(self): |
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231 return self.heads |
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232 |
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233 def _getfile(self, name, rev): |
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234 |
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235 def chunkedread(fp, count): |
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236 # file-objects returned by socked.makefile() do not handle |
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237 # large read() requests very well. |
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238 chunksize = 65536 |
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239 output = StringIO() |
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240 while count > 0: |
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241 data = fp.read(min(count, chunksize)) |
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242 if not data: |
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243 raise util.Abort("%d bytes missing from remote file" % count) |
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244 count -= len(data) |
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245 output.write(data) |
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246 return output.getvalue() |
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247 |
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248 if rev.endswith("(DEAD)"): |
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249 raise IOError |
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250 |
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251 args = ("-N -P -kk -r %s --" % rev).split() |
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252 args.append(self.cvsrepo + '/' + name) |
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253 for x in args: |
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254 self.writep.write("Argument %s\n" % x) |
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255 self.writep.write("Directory .\n%s\nco\n" % self.realroot) |
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256 self.writep.flush() |
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257 |
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258 data = "" |
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259 while 1: |
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260 line = self.readp.readline() |
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261 if line.startswith("Created ") or line.startswith("Updated "): |
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262 self.readp.readline() # path |
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263 self.readp.readline() # entries |
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264 mode = self.readp.readline()[:-1] |
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265 count = int(self.readp.readline()[:-1]) |
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266 data = chunkedread(self.readp, count) |
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267 elif line.startswith(" "): |
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268 data += line[1:] |
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269 elif line.startswith("M "): |
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270 pass |
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271 elif line.startswith("Mbinary "): |
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272 count = int(self.readp.readline()[:-1]) |
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273 data = chunkedread(self.readp, count) |
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274 else: |
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275 if line == "ok\n": |
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276 return (data, "x" in mode and "x" or "") |
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277 elif line.startswith("E "): |
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278 self.ui.warn("cvs server: %s\n" % line[2:]) |
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279 elif line.startswith("Remove"): |
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280 l = self.readp.readline() |
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281 l = self.readp.readline() |
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282 if l != "ok\n": |
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283 raise util.Abort("unknown CVS response: %s" % l) |
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284 else: |
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285 raise util.Abort("unknown CVS response: %s" % line) |
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286 |
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287 def getfile(self, file, rev): |
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288 data, mode = self._getfile(file, rev) |
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289 self.modecache[(file, rev)] = mode |
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290 return data |
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291 |
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292 def getmode(self, file, rev): |
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293 return self.modecache[(file, rev)] |
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294 |
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295 def getchanges(self, rev): |
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296 self.modecache = {} |
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297 files = self.files[rev] |
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298 cl = files.items() |
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299 cl.sort() |
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300 return (cl, {}) |
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301 |
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302 def getcommit(self, rev): |
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303 return self.changeset[rev] |
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304 |
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305 def gettags(self): |
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306 return self.tags |
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307 |
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308 def getchangedfiles(self, rev, i): |
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309 files = self.files[rev].keys() |
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310 files.sort() |
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311 return files |
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312 |