Mercurial > hg
annotate mercurial/sshrepo.py @ 14605:9f1139cf5c76
hg: rearrange peer scheme lookup
There is now only peer scheme lookup. Repository lookup goes through
peer scheme lookup. When peer and repo types are finally separated,
repo lookup will use peer.local() to get a repository object.
The underbar is dropped so that extensions can patch the table.
author | Matt Mackall <mpm@selenic.com> |
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date | Mon, 13 Jun 2011 14:53:23 -0500 |
parents | 3c7907dc95ca |
children | f4522df38c65 |
rev | line source |
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1096 | 1 # sshrepo.py - ssh repository proxy class for mercurial |
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2 # |
2859 | 3 # Copyright 2005, 2006 Matt Mackall <mpm@selenic.com> |
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4 # |
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5 # This software may be used and distributed according to the terms of the |
10263 | 6 # GNU General Public License version 2 or any later version. |
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7 |
3891 | 8 from i18n import _ |
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9 import util, error, wireproto |
60 | 10 |
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11 class remotelock(object): |
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12 def __init__(self, repo): |
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13 self.repo = repo |
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14 def release(self): |
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15 self.repo.unlock() |
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16 self.repo = None |
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17 def __del__(self): |
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18 if self.repo: |
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19 self.release() |
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20 |
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21 class sshrepository(wireproto.wirerepository): |
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22 def __init__(self, ui, path, create=False): |
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23 self._url = path |
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24 self.ui = ui |
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25 |
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26 u = util.url(path, parsequery=False, parsefragment=False) |
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27 if u.scheme != 'ssh' or not u.host or u.path is None: |
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28 self._abort(error.RepoError(_("couldn't parse location %s") % path)) |
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29 |
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30 self.user = u.user |
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31 if u.passwd is not None: |
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32 self._abort(error.RepoError(_("password in URL not supported"))) |
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33 self.host = u.host |
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34 self.port = u.port |
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35 self.path = u.path or "." |
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36 |
961 | 37 sshcmd = self.ui.config("ui", "ssh", "ssh") |
38 remotecmd = self.ui.config("ui", "remotecmd", "hg") | |
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39 |
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40 args = util.sshargs(sshcmd, self.host, self.user, self.port) |
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41 |
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42 if create: |
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43 cmd = '%s %s "%s init %s"' |
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44 cmd = cmd % (sshcmd, args, remotecmd, self.path) |
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45 |
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46 ui.note(_('running %s\n') % cmd) |
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47 res = util.system(cmd) |
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48 if res != 0: |
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49 self._abort(error.RepoError(_("could not create remote repo"))) |
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50 |
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51 self.validate_repo(ui, sshcmd, args, remotecmd) |
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52 |
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53 def url(self): |
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54 return self._url |
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55 |
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56 def validate_repo(self, ui, sshcmd, args, remotecmd): |
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57 # cleanup up previous run |
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58 self.cleanup() |
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59 |
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60 cmd = '%s %s "%s -R %s serve --stdio"' |
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61 cmd = cmd % (sshcmd, args, remotecmd, self.path) |
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62 |
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63 cmd = util.quotecommand(cmd) |
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64 ui.note(_('running %s\n') % cmd) |
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65 self.pipeo, self.pipei, self.pipee = util.popen3(cmd) |
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66 |
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67 # skip any noise generated by remote shell |
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68 self._callstream("hello") |
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69 r = self._callstream("between", pairs=("%s-%s" % ("0"*40, "0"*40))) |
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70 lines = ["", "dummy"] |
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71 max_noise = 500 |
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72 while lines[-1] and max_noise: |
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73 l = r.readline() |
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74 self.readerr() |
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75 if lines[-1] == "1\n" and l == "\n": |
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76 break |
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77 if l: |
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78 ui.debug("remote: ", l) |
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79 lines.append(l) |
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80 max_noise -= 1 |
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81 else: |
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82 self._abort(error.RepoError(_("no suitable response from remote hg"))) |
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83 |
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84 self.capabilities = set() |
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85 for l in reversed(lines): |
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86 if l.startswith("capabilities:"): |
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87 self.capabilities.update(l[:-1].split(":")[1].split()) |
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88 break |
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89 |
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90 def readerr(self): |
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91 while True: |
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92 size = util.fstat(self.pipee).st_size |
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93 if size == 0: |
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94 break |
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95 s = self.pipee.read(size) |
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96 if not s: |
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97 break |
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98 for l in s.splitlines(): |
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99 self.ui.status(_("remote: "), l, '\n') |
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100 |
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101 def _abort(self, exception): |
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102 self.cleanup() |
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103 raise exception |
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104 |
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105 def cleanup(self): |
817 | 106 try: |
107 self.pipeo.close() | |
108 self.pipei.close() | |
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109 # read the error descriptor until EOF |
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110 for l in self.pipee: |
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111 self.ui.status(_("remote: "), l) |
817 | 112 self.pipee.close() |
113 except: | |
114 pass | |
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115 |
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116 __del__ = cleanup |
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117 |
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118 def _callstream(self, cmd, **args): |
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119 self.ui.debug("sending %s command\n" % cmd) |
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120 self.pipeo.write("%s\n" % cmd) |
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121 _func, names = wireproto.commands[cmd] |
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122 keys = names.split() |
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123 wireargs = {} |
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124 for k in keys: |
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125 if k == '*': |
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126 wireargs['*'] = args |
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127 break |
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128 else: |
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129 wireargs[k] = args[k] |
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130 del args[k] |
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131 for k, v in sorted(wireargs.iteritems()): |
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132 self.pipeo.write("%s %d\n" % (k, len(v))) |
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133 if isinstance(v, dict): |
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134 for dk, dv in v.iteritems(): |
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135 self.pipeo.write("%s %d\n" % (dk, len(dv))) |
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136 self.pipeo.write(dv) |
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137 else: |
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138 self.pipeo.write(v) |
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139 self.pipeo.flush() |
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140 |
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141 return self.pipei |
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142 |
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143 def _call(self, cmd, **args): |
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144 self._callstream(cmd, **args) |
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145 return self._recv() |
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146 |
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147 def _callpush(self, cmd, fp, **args): |
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148 r = self._call(cmd, **args) |
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149 if r: |
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150 return '', r |
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151 while True: |
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152 d = fp.read(4096) |
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153 if not d: |
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154 break |
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155 self._send(d) |
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156 self._send("", flush=True) |
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157 r = self._recv() |
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158 if r: |
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159 return '', r |
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160 return self._recv(), '' |
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161 |
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162 def _decompress(self, stream): |
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163 return stream |
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164 |
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165 def _recv(self): |
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166 l = self.pipei.readline() |
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167 self.readerr() |
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168 try: |
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169 l = int(l) |
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170 except ValueError: |
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171 self._abort(error.ResponseError(_("unexpected response:"), l)) |
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172 return self.pipei.read(l) |
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173 |
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174 def _send(self, data, flush=False): |
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175 self.pipeo.write("%d\n" % len(data)) |
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176 if data: |
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177 self.pipeo.write(data) |
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178 if flush: |
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179 self.pipeo.flush() |
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180 self.readerr() |
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181 |
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182 def lock(self): |
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183 self._call("lock") |
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184 return remotelock(self) |
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185 |
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186 def unlock(self): |
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187 self._call("unlock") |
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188 |
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189 def addchangegroup(self, cg, source, url, lock=None): |
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190 '''Send a changegroup to the remote server. Return an integer |
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191 similar to unbundle(). DEPRECATED, since it requires locking the |
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192 remote.''' |
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193 d = self._call("addchangegroup") |
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194 if d: |
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195 self._abort(error.RepoError(_("push refused: %s") % d)) |
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196 while True: |
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197 d = cg.read(4096) |
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198 if not d: |
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199 break |
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200 self.pipeo.write(d) |
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201 self.readerr() |
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202 |
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203 self.pipeo.flush() |
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204 |
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205 self.readerr() |
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206 r = self._recv() |
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207 if not r: |
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208 return 1 |
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209 try: |
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210 return int(r) |
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211 except ValueError: |
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212 self._abort(error.ResponseError(_("unexpected response:"), r)) |
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213 |
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214 instance = sshrepository |