Mercurial > hg
annotate hgext/convert/cvs.py @ 43076:2372284d9457
formatting: blacken the codebase
This is using my patch to black
(https://github.com/psf/black/pull/826) so we don't un-wrap collection
literals.
Done with:
hg files 'set:**.py - mercurial/thirdparty/** - "contrib/python-zstandard/**"' | xargs black -S
# skip-blame mass-reformatting only
# no-check-commit reformats foo_bar functions
Differential Revision: https://phab.mercurial-scm.org/D6971
author | Augie Fackler <augie@google.com> |
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date | Sun, 06 Oct 2019 09:45:02 -0400 |
parents | 876494fd967d |
children | 687b865b95ad |
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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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 util, |
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19 ) |
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20 from mercurial.utils import ( |
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21 dateutil, |
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22 procutil, |
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23 ) |
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24 |
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25 from . import ( |
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26 common, |
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27 cvsps, |
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28 ) |
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29 |
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30 stringio = util.stringio |
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31 checktool = common.checktool |
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32 commit = common.commit |
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33 converter_source = common.converter_source |
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34 makedatetimestamp = common.makedatetimestamp |
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35 NoRepo = common.NoRepo |
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36 |
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37 |
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38 class convert_cvs(converter_source): |
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39 def __init__(self, ui, repotype, path, revs=None): |
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40 super(convert_cvs, self).__init__(ui, repotype, path, revs=revs) |
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41 |
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42 cvs = os.path.join(path, "CVS") |
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43 if not os.path.exists(cvs): |
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44 raise NoRepo(_("%s does not look like a CVS checkout") % path) |
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45 |
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46 checktool('cvs') |
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47 |
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48 self.changeset = None |
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49 self.files = {} |
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50 self.tags = {} |
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51 self.lastbranch = {} |
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52 self.socket = None |
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53 self.cvsroot = open(os.path.join(cvs, "Root"), 'rb').read()[:-1] |
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54 self.cvsrepo = open(os.path.join(cvs, "Repository"), 'rb').read()[:-1] |
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55 self.encoding = encoding.encoding |
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56 |
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57 self._connect() |
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58 |
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59 def _parse(self): |
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60 if self.changeset is not None: |
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61 return |
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62 self.changeset = {} |
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63 |
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64 maxrev = 0 |
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65 if self.revs: |
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66 if len(self.revs) > 1: |
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67 raise error.Abort( |
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68 _('cvs source does not support specifying ' 'multiple revs') |
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69 ) |
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70 # TODO: handle tags |
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71 try: |
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72 # patchset number? |
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73 maxrev = int(self.revs[0]) |
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74 except ValueError: |
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75 raise error.Abort( |
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76 _('revision %s is not a patchset number') % self.revs[0] |
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77 ) |
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78 |
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79 d = encoding.getcwd() |
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80 try: |
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81 os.chdir(self.path) |
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82 |
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83 cache = 'update' |
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84 if not self.ui.configbool('convert', 'cvsps.cache'): |
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85 cache = None |
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86 db = cvsps.createlog(self.ui, cache=cache) |
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87 db = cvsps.createchangeset( |
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88 self.ui, |
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89 db, |
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90 fuzz=int(self.ui.config('convert', 'cvsps.fuzz')), |
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91 mergeto=self.ui.config('convert', 'cvsps.mergeto'), |
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92 mergefrom=self.ui.config('convert', 'cvsps.mergefrom'), |
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93 ) |
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94 |
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95 for cs in db: |
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96 if maxrev and cs.id > maxrev: |
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97 break |
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98 id = b"%d" % cs.id |
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99 cs.author = self.recode(cs.author) |
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100 self.lastbranch[cs.branch] = id |
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101 cs.comment = self.recode(cs.comment) |
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102 if self.ui.configbool('convert', 'localtimezone'): |
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103 cs.date = makedatetimestamp(cs.date[0]) |
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104 date = dateutil.datestr(cs.date, '%Y-%m-%d %H:%M:%S %1%2') |
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105 self.tags.update(dict.fromkeys(cs.tags, id)) |
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106 |
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107 files = {} |
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108 for f in cs.entries: |
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109 files[f.file] = "%s%s" % ( |
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110 '.'.join([(b"%d" % x) for x in f.revision]), |
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111 ['', '(DEAD)'][f.dead], |
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112 ) |
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113 |
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114 # add current commit to set |
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115 c = commit( |
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116 author=cs.author, |
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117 date=date, |
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118 parents=[(b"%d" % p.id) for p in cs.parents], |
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119 desc=cs.comment, |
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120 branch=cs.branch or '', |
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121 ) |
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122 self.changeset[id] = c |
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123 self.files[id] = files |
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124 |
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125 self.heads = self.lastbranch.values() |
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126 finally: |
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127 os.chdir(d) |
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128 |
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129 def _connect(self): |
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130 root = self.cvsroot |
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132 user, host = None, None |
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133 cmd = ['cvs', 'server'] |
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134 |
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135 self.ui.status(_("connecting to %s\n") % root) |
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136 |
4047 | 137 if root.startswith(":pserver:"): |
138 root = root[9:] | |
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139 m = re.match( |
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140 r'(?:(.*?)(?::(.*?))?@)?([^:\/]*)(?::(\d*))?(.*)', root |
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141 ) |
4047 | 142 if m: |
143 conntype = "pserver" | |
144 user, passw, serv, port, root = m.groups() | |
145 if not user: | |
146 user = "anonymous" | |
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147 if not port: |
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148 port = 2401 |
4047 | 149 else: |
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150 port = int(port) |
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151 format0 = ":pserver:%s@%s:%s" % (user, serv, root) |
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152 format1 = ":pserver:%s@%s:%d%s" % (user, serv, port, root) |
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153 |
4047 | 154 if not passw: |
155 passw = "A" | |
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156 cvspass = os.path.expanduser("~/.cvspass") |
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157 try: |
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158 pf = open(cvspass, 'rb') |
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159 for line in pf.read().splitlines(): |
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160 part1, part2 = line.split(' ', 1) |
16683 | 161 # /1 :pserver:user@example.com:2401/cvsroot/foo |
162 # Ah<Z | |
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163 if part1 == '/1': |
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164 part1, part2 = part2.split(' ', 1) |
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165 format = format1 |
16683 | 166 # :pserver:user@example.com:/cvsroot/foo Ah<Z |
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167 else: |
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168 format = format0 |
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169 if part1 == format: |
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170 passw = part2 |
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171 break |
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172 pf.close() |
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173 except IOError as inst: |
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174 if inst.errno != errno.ENOENT: |
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175 if not getattr(inst, 'filename', None): |
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176 inst.filename = cvspass |
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177 raise |
4047 | 178 |
179 sck = socket.socket() | |
180 sck.connect((serv, port)) | |
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181 sck.send( |
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182 "\n".join( |
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183 [ |
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184 "BEGIN AUTH REQUEST", |
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185 root, |
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186 user, |
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187 passw, |
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188 "END AUTH REQUEST", |
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189 "", |
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190 ] |
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191 ) |
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192 ) |
4047 | 193 if sck.recv(128) != "I LOVE YOU\n": |
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194 raise error.Abort(_("CVS pserver authentication failed")) |
4047 | 195 |
196 self.writep = self.readp = sck.makefile('r+') | |
197 | |
198 if not conntype and root.startswith(":local:"): | |
199 conntype = "local" | |
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200 root = root[7:] |
4047 | 201 |
202 if not conntype: | |
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203 # :ext:user@host/home/user/path/to/cvsroot |
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204 if root.startswith(":ext:"): |
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205 root = root[5:] |
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206 m = re.match(br'(?:([^@:/]+)@)?([^:/]+):?(.*)', root) |
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207 # Do not take Windows path "c:\foo\bar" for a connection strings |
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208 if os.path.isdir(root) or not m: |
4047 | 209 conntype = "local" |
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210 else: |
4047 | 211 conntype = "rsh" |
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212 user, host, root = m.group(1), m.group(2), m.group(3) |
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213 |
4047 | 214 if conntype != "pserver": |
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215 if conntype == "rsh": |
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216 rsh = encoding.environ.get("CVS_RSH") or "ssh" |
4047 | 217 if user: |
218 cmd = [rsh, '-l', user, host] + cmd | |
219 else: | |
220 cmd = [rsh, host] + cmd | |
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221 |
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222 # popen2 does not support argument lists under Windows |
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223 cmd = [procutil.shellquote(arg) for arg in cmd] |
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224 cmd = procutil.quotecommand(' '.join(cmd)) |
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225 self.writep, self.readp = procutil.popen2(cmd) |
4047 | 226 |
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227 self.realroot = root |
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228 |
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229 self.writep.write("Root %s\n" % root) |
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230 self.writep.write( |
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231 "Valid-responses ok error Valid-requests Mode" |
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232 " M Mbinary E Checked-in Created Updated" |
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233 " Merged Removed\n" |
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234 ) |
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235 self.writep.write("valid-requests\n") |
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236 self.writep.flush() |
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237 r = self.readp.readline() |
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238 if not r.startswith("Valid-requests"): |
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239 raise error.Abort( |
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240 _( |
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241 'unexpected response from CVS server ' |
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242 '(expected "Valid-requests", but got %r)' |
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243 ) |
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244 % r |
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245 ) |
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246 if "UseUnchanged" in r: |
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247 self.writep.write("UseUnchanged\n") |
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248 self.writep.flush() |
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249 self.readp.readline() |
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250 |
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251 def getheads(self): |
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252 self._parse() |
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253 return self.heads |
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254 |
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255 def getfile(self, name, rev): |
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256 def chunkedread(fp, count): |
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257 # file-objects returned by socket.makefile() do not handle |
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258 # large read() requests very well. |
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259 chunksize = 65536 |
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260 output = stringio() |
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261 while count > 0: |
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262 data = fp.read(min(count, chunksize)) |
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263 if not data: |
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264 raise error.Abort( |
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265 _("%d bytes missing from remote file") % count |
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266 ) |
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267 count -= len(data) |
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268 output.write(data) |
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269 return output.getvalue() |
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270 |
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271 self._parse() |
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272 if rev.endswith("(DEAD)"): |
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273 return None, None |
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274 |
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275 args = ("-N -P -kk -r %s --" % rev).split() |
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276 args.append(self.cvsrepo + '/' + name) |
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277 for x in args: |
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278 self.writep.write("Argument %s\n" % x) |
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279 self.writep.write("Directory .\n%s\nco\n" % self.realroot) |
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280 self.writep.flush() |
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281 |
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282 data = "" |
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283 mode = None |
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284 while True: |
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285 line = self.readp.readline() |
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286 if line.startswith("Created ") or line.startswith("Updated "): |
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287 self.readp.readline() # path |
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288 self.readp.readline() # entries |
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289 mode = self.readp.readline()[:-1] |
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290 count = int(self.readp.readline()[:-1]) |
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291 data = chunkedread(self.readp, count) |
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292 elif line.startswith(" "): |
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293 data += line[1:] |
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294 elif line.startswith("M "): |
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295 pass |
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296 elif line.startswith("Mbinary "): |
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297 count = int(self.readp.readline()[:-1]) |
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298 data = chunkedread(self.readp, count) |
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299 else: |
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300 if line == "ok\n": |
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301 if mode is None: |
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302 raise error.Abort(_('malformed response from CVS')) |
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303 return (data, "x" in mode and "x" or "") |
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304 elif line.startswith("E "): |
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305 self.ui.warn(_("cvs server: %s\n") % line[2:]) |
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306 elif line.startswith("Remove"): |
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307 self.readp.readline() |
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308 else: |
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309 raise error.Abort(_("unknown CVS response: %s") % line) |
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310 |
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311 def getchanges(self, rev, full): |
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312 if full: |
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313 raise error.Abort(_("convert from cvs does not support --full")) |
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314 self._parse() |
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315 return sorted(self.files[rev].iteritems()), {}, set() |
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316 |
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317 def getcommit(self, rev): |
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318 self._parse() |
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319 return self.changeset[rev] |
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320 |
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321 def gettags(self): |
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322 self._parse() |
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323 return self.tags |
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324 |
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325 def getchangedfiles(self, rev, i): |
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326 self._parse() |
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327 return sorted(self.files[rev]) |