Mercurial > hg
annotate hgext/convert/cvs.py @ 35176:671aba341d90
convert: save an indicator of the repo type for sources and sinks
This seems like basic info to have, and will be used shortly when deciding
whether or not to wrap the class for lfs conversions.
The other option is to just add a function to each class. But this seems better
in that the strings aren't duplicated, and the constructor for most of these
will run even if the VCS isn't installed, so it's easier to catch errors.
author | Matt Harbison <matt_harbison@yahoo.com> |
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date | Wed, 22 Nov 2017 20:49:01 -0500 |
parents | 698cccf1ad28 |
children | 42a393ea56d2 |
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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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7 from __future__ import absolute_import |
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8 |
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9 import errno |
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10 import os |
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11 import re |
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12 import socket |
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13 |
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14 from mercurial.i18n import _ |
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15 from mercurial import ( |
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16 encoding, |
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17 error, |
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18 pycompat, |
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19 util, |
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20 ) |
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21 |
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22 from . import ( |
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23 common, |
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24 cvsps, |
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25 ) |
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26 |
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27 stringio = util.stringio |
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28 checktool = common.checktool |
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29 commit = common.commit |
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30 converter_source = common.converter_source |
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31 makedatetimestamp = common.makedatetimestamp |
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32 NoRepo = common.NoRepo |
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33 |
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34 class convert_cvs(converter_source): |
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35 def __init__(self, ui, repotype, path, revs=None): |
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36 super(convert_cvs, self).__init__(ui, repotype, path, revs=revs) |
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37 |
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38 cvs = os.path.join(path, "CVS") |
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39 if not os.path.exists(cvs): |
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40 raise NoRepo(_("%s does not look like a CVS checkout") % path) |
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41 |
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42 checktool('cvs') |
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43 |
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44 self.changeset = None |
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45 self.files = {} |
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46 self.tags = {} |
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47 self.lastbranch = {} |
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48 self.socket = None |
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49 self.cvsroot = open(os.path.join(cvs, "Root")).read()[:-1] |
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50 self.cvsrepo = open(os.path.join(cvs, "Repository")).read()[:-1] |
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51 self.encoding = encoding.encoding |
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52 |
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53 self._connect() |
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54 |
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55 def _parse(self): |
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56 if self.changeset is not None: |
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57 return |
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58 self.changeset = {} |
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59 |
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60 maxrev = 0 |
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61 if self.revs: |
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62 if len(self.revs) > 1: |
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63 raise error.Abort(_('cvs source does not support specifying ' |
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64 'multiple revs')) |
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65 # TODO: handle tags |
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66 try: |
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67 # patchset number? |
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68 maxrev = int(self.revs[0]) |
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69 except ValueError: |
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70 raise error.Abort(_('revision %s is not a patchset number') |
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71 % self.revs[0]) |
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72 |
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73 d = pycompat.getcwd() |
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74 try: |
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75 os.chdir(self.path) |
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76 id = None |
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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'): |
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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')), |
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84 mergeto=self.ui.config('convert', 'cvsps.mergeto'), |
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85 mergefrom=self.ui.config('convert', 'cvsps.mergefrom')) |
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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 if self.ui.configbool('convert', 'localtimezone'): |
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95 cs.date = makedatetimestamp(cs.date[0]) |
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96 date = util.datestr(cs.date, '%Y-%m-%d %H:%M:%S %1%2') |
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97 self.tags.update(dict.fromkeys(cs.tags, id)) |
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98 |
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99 files = {} |
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100 for f in cs.entries: |
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101 files[f.file] = "%s%s" % ('.'.join([str(x) |
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102 for x in f.revision]), |
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103 ['', '(DEAD)'][f.dead]) |
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104 |
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105 # add current commit to set |
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106 c = commit(author=cs.author, date=date, |
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107 parents=[str(p.id) for p in cs.parents], |
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108 desc=cs.comment, branch=cs.branch or '') |
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109 self.changeset[id] = c |
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110 self.files[id] = files |
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111 |
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112 self.heads = self.lastbranch.values() |
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113 finally: |
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114 os.chdir(d) |
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115 |
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116 def _connect(self): |
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117 root = self.cvsroot |
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119 user, host = None, None |
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120 cmd = ['cvs', 'server'] |
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121 |
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122 self.ui.status(_("connecting to %s\n") % root) |
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123 |
4047 | 124 if root.startswith(":pserver:"): |
125 root = root[9:] | |
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126 m = re.match(r'(?:(.*?)(?::(.*?))?@)?([^:\/]*)(?::(\d*))?(.*)', |
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127 root) |
4047 | 128 if m: |
129 conntype = "pserver" | |
130 user, passw, serv, port, root = m.groups() | |
131 if not user: | |
132 user = "anonymous" | |
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133 if not port: |
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134 port = 2401 |
4047 | 135 else: |
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136 port = int(port) |
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137 format0 = ":pserver:%s@%s:%s" % (user, serv, root) |
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138 format1 = ":pserver:%s@%s:%d%s" % (user, serv, port, root) |
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139 |
4047 | 140 if not passw: |
141 passw = "A" | |
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142 cvspass = os.path.expanduser("~/.cvspass") |
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143 try: |
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144 pf = open(cvspass) |
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145 for line in pf.read().splitlines(): |
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146 part1, part2 = line.split(' ', 1) |
16683 | 147 # /1 :pserver:user@example.com:2401/cvsroot/foo |
148 # Ah<Z | |
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149 if part1 == '/1': |
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150 part1, part2 = part2.split(' ', 1) |
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151 format = format1 |
16683 | 152 # :pserver:user@example.com:/cvsroot/foo Ah<Z |
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153 else: |
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154 format = format0 |
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155 if part1 == format: |
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156 passw = part2 |
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157 break |
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158 pf.close() |
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159 except IOError as inst: |
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160 if inst.errno != errno.ENOENT: |
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161 if not getattr(inst, 'filename', None): |
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162 inst.filename = cvspass |
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163 raise |
4047 | 164 |
165 sck = socket.socket() | |
166 sck.connect((serv, port)) | |
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167 sck.send("\n".join(["BEGIN AUTH REQUEST", root, user, passw, |
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168 "END AUTH REQUEST", ""])) |
4047 | 169 if sck.recv(128) != "I LOVE YOU\n": |
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170 raise error.Abort(_("CVS pserver authentication failed")) |
4047 | 171 |
172 self.writep = self.readp = sck.makefile('r+') | |
173 | |
174 if not conntype and root.startswith(":local:"): | |
175 conntype = "local" | |
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176 root = root[7:] |
4047 | 177 |
178 if not conntype: | |
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179 # :ext:user@host/home/user/path/to/cvsroot |
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180 if root.startswith(":ext:"): |
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181 root = root[5:] |
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182 m = re.match(r'(?:([^@:/]+)@)?([^:/]+):?(.*)', root) |
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183 # Do not take Windows path "c:\foo\bar" for a connection strings |
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184 if os.path.isdir(root) or not m: |
4047 | 185 conntype = "local" |
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186 else: |
4047 | 187 conntype = "rsh" |
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188 user, host, root = m.group(1), m.group(2), m.group(3) |
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189 |
4047 | 190 if conntype != "pserver": |
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191 if conntype == "rsh": |
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192 rsh = encoding.environ.get("CVS_RSH") or "ssh" |
4047 | 193 if user: |
194 cmd = [rsh, '-l', user, host] + cmd | |
195 else: | |
196 cmd = [rsh, host] + cmd | |
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197 |
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198 # popen2 does not support argument lists under Windows |
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199 cmd = [util.shellquote(arg) for arg in cmd] |
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200 cmd = util.quotecommand(' '.join(cmd)) |
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201 self.writep, self.readp = util.popen2(cmd) |
4047 | 202 |
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203 self.realroot = root |
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204 |
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205 self.writep.write("Root %s\n" % root) |
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206 self.writep.write("Valid-responses ok error Valid-requests Mode" |
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207 " M Mbinary E Checked-in Created Updated" |
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208 " Merged Removed\n") |
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209 self.writep.write("valid-requests\n") |
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210 self.writep.flush() |
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211 r = self.readp.readline() |
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212 if not r.startswith("Valid-requests"): |
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213 raise error.Abort(_('unexpected response from CVS server ' |
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214 '(expected "Valid-requests", but got %r)') |
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215 % r) |
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216 if "UseUnchanged" in r: |
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217 self.writep.write("UseUnchanged\n") |
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218 self.writep.flush() |
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219 r = self.readp.readline() |
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220 |
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221 def getheads(self): |
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222 self._parse() |
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223 return self.heads |
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224 |
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225 def getfile(self, name, rev): |
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226 |
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227 def chunkedread(fp, count): |
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228 # file-objects returned by socket.makefile() do not handle |
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229 # large read() requests very well. |
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230 chunksize = 65536 |
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231 output = stringio() |
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232 while count > 0: |
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233 data = fp.read(min(count, chunksize)) |
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234 if not data: |
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235 raise error.Abort(_("%d bytes missing from remote file") |
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236 % count) |
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237 count -= len(data) |
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238 output.write(data) |
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239 return output.getvalue() |
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240 |
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241 self._parse() |
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242 if rev.endswith("(DEAD)"): |
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243 return None, None |
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244 |
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245 args = ("-N -P -kk -r %s --" % rev).split() |
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246 args.append(self.cvsrepo + '/' + name) |
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247 for x in args: |
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248 self.writep.write("Argument %s\n" % x) |
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249 self.writep.write("Directory .\n%s\nco\n" % self.realroot) |
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250 self.writep.flush() |
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251 |
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252 data = "" |
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253 mode = None |
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254 while True: |
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255 line = self.readp.readline() |
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256 if line.startswith("Created ") or line.startswith("Updated "): |
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257 self.readp.readline() # path |
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258 self.readp.readline() # entries |
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259 mode = self.readp.readline()[:-1] |
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260 count = int(self.readp.readline()[:-1]) |
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261 data = chunkedread(self.readp, count) |
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262 elif line.startswith(" "): |
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263 data += line[1:] |
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264 elif line.startswith("M "): |
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265 pass |
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266 elif line.startswith("Mbinary "): |
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267 count = int(self.readp.readline()[:-1]) |
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268 data = chunkedread(self.readp, count) |
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269 else: |
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270 if line == "ok\n": |
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271 if mode is None: |
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272 raise error.Abort(_('malformed response from CVS')) |
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273 return (data, "x" in mode and "x" or "") |
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274 elif line.startswith("E "): |
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275 self.ui.warn(_("cvs server: %s\n") % line[2:]) |
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276 elif line.startswith("Remove"): |
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277 self.readp.readline() |
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278 else: |
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279 raise error.Abort(_("unknown CVS response: %s") % line) |
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280 |
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281 def getchanges(self, rev, full): |
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282 if full: |
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283 raise error.Abort(_("convert from cvs does not support --full")) |
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284 self._parse() |
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285 return sorted(self.files[rev].iteritems()), {}, set() |
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286 |
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287 def getcommit(self, rev): |
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288 self._parse() |
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289 return self.changeset[rev] |
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290 |
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291 def gettags(self): |
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292 self._parse() |
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293 return self.tags |
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294 |
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295 def getchangedfiles(self, rev, i): |
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296 self._parse() |
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297 return sorted(self.files[rev]) |