Mercurial > hg
annotate mercurial/sshrepo.py @ 14517:5a931246afc5
test-copy2: add case for moving a missing file
author | Adrian Buehlmann <adrian@cadifra.com> |
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date | Thu, 02 Jun 2011 19:43:17 +0200 |
parents | 1ffeeb91c55d |
children | 3c7907dc95ca |
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): |
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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): |
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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 |