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annotate mercurial/sshpeer.py @ 25422:8dc5ee5b7b09

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sshpeer: use the doublepipe object for the server to client channel This restores real-time output from ssh server while waiting for protocol data sent by the server.
author Pierre-Yves David <pierre-yves.david@fb.com>
date Wed, 20 May 2015 11:41:48 -0500
parents 3dd3ccf7b807
children dc02a284e034
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1ac628cd7113 peer: introduce real peer classes
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1 # sshpeer.py - ssh repository proxy class for mercurial
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2 #
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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
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6 # GNU General Public License version 2 or any later version.
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7
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8 import re
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9 from i18n import _
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10 import util, error, wireproto
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11
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12 class remotelock(object):
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13 def __init__(self, repo):
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14 self.repo = repo
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15 def release(self):
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16 self.repo.unlock()
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17 self.repo = None
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18 def __del__(self):
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19 if self.repo:
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20 self.release()
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21
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22 def _serverquote(s):
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23 if not s:
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24 return s
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25 '''quote a string for the remote shell ... which we assume is sh'''
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26 if re.match('[a-zA-Z0-9@%_+=:,./-]*$', s):
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27 return s
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28 return "'%s'" % s.replace("'", "'\\''")
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29
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30 def _forwardoutput(ui, pipe):
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31 """display all data currently available on pipe as remote output.
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32
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33 This is non blocking."""
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34 s = util.readpipe(pipe)
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35 if s:
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36 for l in s.splitlines():
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37 ui.status(_("remote: "), l, '\n')
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38
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39 class doublepipe(object):
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40 """Operate a side-channel pipe in addition of a main one
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41
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42 The side-channel pipe contains server output to be forwarded to the user
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43 input. The double pipe will behave as the "main" pipe, but will ensure the
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44 content of the "side" pipe is properly processed while we wait for blocking
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45 call on the "main" pipe.
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46
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47 If large amounts of data are read from "main", the forward will cease after
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48 the first bytes start to appear. This simplifies the implementation
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49 without affecting actual output of sshpeer too much as we rarely issue
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50 large read for data not yet emitted by the server.
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51
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52 The main pipe is expected to be a 'bufferedinputpipe' from the util module
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53 that handle all the os specific bites. This class lives in this module
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54 because it focus on behavior specifig to the ssh protocol."""
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55
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56 def __init__(self, ui, main, side):
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57 self._ui = ui
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58 self._main = main
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59 self._side = side
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60
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61 def _wait(self):
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62 """wait until some data are available on main or side
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63
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64 return a pair of boolean (ismainready, issideready)
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65
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66 (This will only wait for data if the setup is supported by `util.poll`)
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67 """
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68 if self._main.hasbuffer:
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69 return (True, True) # main has data, assume side is worth poking at.
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70 fds = [self._main.fileno(), self._side.fileno()]
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71 try:
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72 act = util.poll(fds)
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73 except NotImplementedError:
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74 # non supported yet case, assume all have data.
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75 act = fds
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76 return (self._main.fileno() in act, self._side.fileno() in act)
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77
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78 def read(self, size):
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79 return self._call('read', size)
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80
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81 def readline(self):
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82 return self._call('readline')
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83
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84 def _call(self, methname, size=None):
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85 """call <methname> on "main", forward output of "side" while blocking
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86 """
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87 if size == 0 or self._main.closed:
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88 _forwardoutput(self._ui, self._side)
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89 return ''
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90 while True:
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91 mainready, sideready = self._wait()
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92 if sideready:
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93 _forwardoutput(self._ui, self._side)
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94 if mainready:
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95 meth = getattr(self._main, methname)
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96 if size is None:
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97 return meth()
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98 else:
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99 return meth(size)
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100
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101 def close(self):
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102 return self._main.close()
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103
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104 class sshpeer(wireproto.wirepeer):
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105 def __init__(self, ui, path, create=False):
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106 self._url = path
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107 self.ui = ui
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108 self.pipeo = self.pipei = self.pipee = None
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109
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110 u = util.url(path, parsequery=False, parsefragment=False)
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111 if u.scheme != 'ssh' or not u.host or u.path is None:
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112 self._abort(error.RepoError(_("couldn't parse location %s") % path))
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113
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114 self.user = u.user
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115 if u.passwd is not None:
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116 self._abort(error.RepoError(_("password in URL not supported")))
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117 self.host = u.host
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118 self.port = u.port
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119 self.path = u.path or "."
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120
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121 sshcmd = self.ui.config("ui", "ssh", "ssh")
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122 remotecmd = self.ui.config("ui", "remotecmd", "hg")
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123
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124 args = util.sshargs(sshcmd,
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125 _serverquote(self.host),
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126 _serverquote(self.user),
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127 _serverquote(self.port))
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128
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129 if create:
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130 cmd = '%s %s %s' % (sshcmd, args,
d8fa35c28335 ssh: quote remote paths (issue2983)
Mads Kiilerich <mads@kiilerich.com>
parents: 15017
diff changeset
131 util.shellquote("%s init %s" %
d8fa35c28335 ssh: quote remote paths (issue2983)
Mads Kiilerich <mads@kiilerich.com>
parents: 15017
diff changeset
132 (_serverquote(remotecmd), _serverquote(self.path))))
20794
8b0e3a8982ea sshpeer: only print out 'running ssh' messages in debug mode (BC)
Siddharth Agarwal <sid0@fb.com>
parents: 19405
diff changeset
133 ui.debug('running %s\n' % cmd)
23270
41c03b7592ed util.system: use ui.system() in place of optional ui.fout parameter
Yuya Nishihara <yuya@tcha.org>
parents: 22935
diff changeset
134 res = ui.system(cmd)
2549
e1831f06eef1 Added ability to clone from a local repository to a (new) remote one.
Sean Meiners <sean.meiners@linspire.com>
parents: 2484
diff changeset
135 if res != 0:
11590
0b15aee0a306 protocol: convert some ssh abort calls
Matt Mackall <mpm@selenic.com>
parents: 11589
diff changeset
136 self._abort(error.RepoError(_("could not create remote repo")))
2549
e1831f06eef1 Added ability to clone from a local repository to a (new) remote one.
Sean Meiners <sean.meiners@linspire.com>
parents: 2484
diff changeset
137
19405
447332970d7b sshpeer: mark _validrepo internal
Matt Mackall <mpm@selenic.com>
parents: 18759
diff changeset
138 self._validaterepo(sshcmd, args, remotecmd)
2549
e1831f06eef1 Added ability to clone from a local repository to a (new) remote one.
Sean Meiners <sean.meiners@linspire.com>
parents: 2484
diff changeset
139
2673
109a22f5434a hooks: add url to changegroup, incoming, prechangegroup, pretxnchangegroup hooks
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2612
diff changeset
140 def url(self):
109a22f5434a hooks: add url to changegroup, incoming, prechangegroup, pretxnchangegroup hooks
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2612
diff changeset
141 return self._url
109a22f5434a hooks: add url to changegroup, incoming, prechangegroup, pretxnchangegroup hooks
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2612
diff changeset
142
19405
447332970d7b sshpeer: mark _validrepo internal
Matt Mackall <mpm@selenic.com>
parents: 18759
diff changeset
143 def _validaterepo(self, sshcmd, args, remotecmd):
3034
2b0bc36a48d8 sshrepo: flush stderr before connecting to the hg server
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 2859
diff changeset
144 # cleanup up previous run
2b0bc36a48d8 sshrepo: flush stderr before connecting to the hg server
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 2859
diff changeset
145 self.cleanup()
2b0bc36a48d8 sshrepo: flush stderr before connecting to the hg server
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 2859
diff changeset
146
15581
d8fa35c28335 ssh: quote remote paths (issue2983)
Mads Kiilerich <mads@kiilerich.com>
parents: 15017
diff changeset
147 cmd = '%s %s %s' % (sshcmd, args,
d8fa35c28335 ssh: quote remote paths (issue2983)
Mads Kiilerich <mads@kiilerich.com>
parents: 15017
diff changeset
148 util.shellquote("%s -R %s serve --stdio" %
d8fa35c28335 ssh: quote remote paths (issue2983)
Mads Kiilerich <mads@kiilerich.com>
parents: 15017
diff changeset
149 (_serverquote(remotecmd), _serverquote(self.path))))
20794
8b0e3a8982ea sshpeer: only print out 'running ssh' messages in debug mode (BC)
Siddharth Agarwal <sid0@fb.com>
parents: 19405
diff changeset
150 self.ui.debug('running %s\n' % cmd)
5292
5a65d870871d sshrepo: fix Windows command quoting
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5190
diff changeset
151 cmd = util.quotecommand(cmd)
18759
9baf4330d88f sshpeer: store subprocess so it cleans up correctly
Durham Goode <durham@fb.com>
parents: 17192
diff changeset
152
9baf4330d88f sshpeer: store subprocess so it cleans up correctly
Durham Goode <durham@fb.com>
parents: 17192
diff changeset
153 # while self.subprocess isn't used, having it allows the subprocess to
9baf4330d88f sshpeer: store subprocess so it cleans up correctly
Durham Goode <durham@fb.com>
parents: 17192
diff changeset
154 # to clean up correctly later
25408
c88975a4d264 sshpeer: run the ssh command unbuffered
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 25407
diff changeset
155 #
c88975a4d264 sshpeer: run the ssh command unbuffered
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 25407
diff changeset
156 # no buffer allow the use of 'select'
c88975a4d264 sshpeer: run the ssh command unbuffered
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 25407
diff changeset
157 # feel free to remove buffering and select usage when we ultimately
c88975a4d264 sshpeer: run the ssh command unbuffered
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 25407
diff changeset
158 # move to threading.
c88975a4d264 sshpeer: run the ssh command unbuffered
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 25407
diff changeset
159 sub = util.popen4(cmd, bufsize=0)
c88975a4d264 sshpeer: run the ssh command unbuffered
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 25407
diff changeset
160 self.pipeo, self.pipei, self.pipee, self.subprocess = sub
646
342927da4f4c Show remote client output with "remote:"
Matt Mackall <mpm@selenic.com>
parents: 644
diff changeset
161
25407
e461230cc95b sshpeer: use a 'bufferedinputpipe' for standard output of the ssh process
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 25244
diff changeset
162 self.pipei = util.bufferedinputpipe(self.pipei)
25422
8dc5ee5b7b09 sshpeer: use the doublepipe object for the server to client channel
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 25421
diff changeset
163 self.pipei = doublepipe(self.ui, self.pipei, self.pipee)
25407
e461230cc95b sshpeer: use a 'bufferedinputpipe' for standard output of the ssh process
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 25244
diff changeset
164
2028
1f1fc418a96c ssh: skip noise generated by remote shell
Matt Mackall <mpm@selenic.com>
parents: 2019
diff changeset
165 # skip any noise generated by remote shell
11589
e8d22fe2ddab protocol: clean up call-like functions in http and ssh clients
Matt Mackall <mpm@selenic.com>
parents: 11588
diff changeset
166 self._callstream("hello")
e8d22fe2ddab protocol: clean up call-like functions in http and ssh clients
Matt Mackall <mpm@selenic.com>
parents: 11588
diff changeset
167 r = self._callstream("between", pairs=("%s-%s" % ("0"*40, "0"*40)))
2420
144280f1578f ssh: gather initial output so we can do capability detection
Matt Mackall <mpm@selenic.com>
parents: 2230
diff changeset
168 lines = ["", "dummy"]
2046
d14497cbd668 Show remote ssh noise only with --debug and increase the limit to 500 lines.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 2040
diff changeset
169 max_noise = 500
2420
144280f1578f ssh: gather initial output so we can do capability detection
Matt Mackall <mpm@selenic.com>
parents: 2230
diff changeset
170 while lines[-1] and max_noise:
144280f1578f ssh: gather initial output so we can do capability detection
Matt Mackall <mpm@selenic.com>
parents: 2230
diff changeset
171 l = r.readline()
2028
1f1fc418a96c ssh: skip noise generated by remote shell
Matt Mackall <mpm@selenic.com>
parents: 2019
diff changeset
172 self.readerr()
2420
144280f1578f ssh: gather initial output so we can do capability detection
Matt Mackall <mpm@selenic.com>
parents: 2230
diff changeset
173 if lines[-1] == "1\n" and l == "\n":
2028
1f1fc418a96c ssh: skip noise generated by remote shell
Matt Mackall <mpm@selenic.com>
parents: 2019
diff changeset
174 break
2420
144280f1578f ssh: gather initial output so we can do capability detection
Matt Mackall <mpm@selenic.com>
parents: 2230
diff changeset
175 if l:
19405
447332970d7b sshpeer: mark _validrepo internal
Matt Mackall <mpm@selenic.com>
parents: 18759
diff changeset
176 self.ui.debug("remote: ", l)
2420
144280f1578f ssh: gather initial output so we can do capability detection
Matt Mackall <mpm@selenic.com>
parents: 2230
diff changeset
177 lines.append(l)
2040
cd7711268774 Don't enter an endless loop if remote hg doesn't answer, show remote noise.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 2028
diff changeset
178 max_noise -= 1
cd7711268774 Don't enter an endless loop if remote hg doesn't answer, show remote noise.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 2028
diff changeset
179 else:
16683
525fdb738975 cleanup: eradicate long lines
Brodie Rao <brodie@sf.io>
parents: 15624
diff changeset
180 self._abort(error.RepoError(_('no suitable response from '
525fdb738975 cleanup: eradicate long lines
Brodie Rao <brodie@sf.io>
parents: 15624
diff changeset
181 'remote hg')))
2028
1f1fc418a96c ssh: skip noise generated by remote shell
Matt Mackall <mpm@selenic.com>
parents: 2019
diff changeset
182
17192
1ac628cd7113 peer: introduce real peer classes
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 16688
diff changeset
183 self._caps = set()
8210
344751cd8cb8 replace various uses of list.reverse()
Matt Mackall <mpm@selenic.com>
parents: 8150
diff changeset
184 for l in reversed(lines):
2421
a1cfe679192c ssh: add capability detection at startup
Matt Mackall <mpm@selenic.com>
parents: 2420
diff changeset
185 if l.startswith("capabilities:"):
17192
1ac628cd7113 peer: introduce real peer classes
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 16688
diff changeset
186 self._caps.update(l[:-1].split(":")[1].split())
2421
a1cfe679192c ssh: add capability detection at startup
Matt Mackall <mpm@selenic.com>
parents: 2420
diff changeset
187 break
a1cfe679192c ssh: add capability detection at startup
Matt Mackall <mpm@selenic.com>
parents: 2420
diff changeset
188
17192
1ac628cd7113 peer: introduce real peer classes
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 16688
diff changeset
189 def _capabilities(self):
1ac628cd7113 peer: introduce real peer classes
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 16688
diff changeset
190 return self._caps
1ac628cd7113 peer: introduce real peer classes
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 16688
diff changeset
191
646
342927da4f4c Show remote client output with "remote:"
Matt Mackall <mpm@selenic.com>
parents: 644
diff changeset
192 def readerr(self):
25244
cf90764f40a4 sshpeer: extract the forward output logic
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 25243
diff changeset
193 _forwardoutput(self.ui, self.pipee)
624
876333a295ff Add an sshrepository class and hg serve --stdio
Matt Mackall <mpm@selenic.com>
parents: 623
diff changeset
194
11586
ddaaaa23bb8f protocol: move basic ssh client commands to wirerepository
Matt Mackall <mpm@selenic.com>
parents: 11369
diff changeset
195 def _abort(self, exception):
ddaaaa23bb8f protocol: move basic ssh client commands to wirerepository
Matt Mackall <mpm@selenic.com>
parents: 11369
diff changeset
196 self.cleanup()
ddaaaa23bb8f protocol: move basic ssh client commands to wirerepository
Matt Mackall <mpm@selenic.com>
parents: 11369
diff changeset
197 raise exception
ddaaaa23bb8f protocol: move basic ssh client commands to wirerepository
Matt Mackall <mpm@selenic.com>
parents: 11369
diff changeset
198
3034
2b0bc36a48d8 sshrepo: flush stderr before connecting to the hg server
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 2859
diff changeset
199 def cleanup(self):
16688
cfb6682961b8 cleanup: replace naked excepts with more specific ones
Brodie Rao <brodie@sf.io>
parents: 16683
diff changeset
200 if self.pipeo is None:
cfb6682961b8 cleanup: replace naked excepts with more specific ones
Brodie Rao <brodie@sf.io>
parents: 16683
diff changeset
201 return
cfb6682961b8 cleanup: replace naked excepts with more specific ones
Brodie Rao <brodie@sf.io>
parents: 16683
diff changeset
202 self.pipeo.close()
cfb6682961b8 cleanup: replace naked excepts with more specific ones
Brodie Rao <brodie@sf.io>
parents: 16683
diff changeset
203 self.pipei.close()
817
cf1d9a01dd92 Make ssh URL parsing more robust
mpm@selenic.com
parents: 816
diff changeset
204 try:
1358
20abfd48e21c Partially revert ssh change so we read all of remote ssh stream
Matt Mackall <mpm@selenic.com>
parents: 1357
diff changeset
205 # read the error descriptor until EOF
20abfd48e21c Partially revert ssh change so we read all of remote ssh stream
Matt Mackall <mpm@selenic.com>
parents: 1357
diff changeset
206 for l in self.pipee:
1402
9d2c2e6b32b5 i18n part2: use '_' for all strings who are part of the user interface
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 1400
diff changeset
207 self.ui.status(_("remote: "), l)
16688
cfb6682961b8 cleanup: replace naked excepts with more specific ones
Brodie Rao <brodie@sf.io>
parents: 16683
diff changeset
208 except (IOError, ValueError):
817
cf1d9a01dd92 Make ssh URL parsing more robust
mpm@selenic.com
parents: 816
diff changeset
209 pass
16688
cfb6682961b8 cleanup: replace naked excepts with more specific ones
Brodie Rao <brodie@sf.io>
parents: 16683
diff changeset
210 self.pipee.close()
624
876333a295ff Add an sshrepository class and hg serve --stdio
Matt Mackall <mpm@selenic.com>
parents: 623
diff changeset
211
3034
2b0bc36a48d8 sshrepo: flush stderr before connecting to the hg server
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 2859
diff changeset
212 __del__ = cleanup
2b0bc36a48d8 sshrepo: flush stderr before connecting to the hg server
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 2859
diff changeset
213
11589
e8d22fe2ddab protocol: clean up call-like functions in http and ssh clients
Matt Mackall <mpm@selenic.com>
parents: 11588
diff changeset
214 def _callstream(self, cmd, **args):
9467
4c041f1ee1b4 do not attempt to translate ui.debug output
Martin Geisler <mg@lazybytes.net>
parents: 8563
diff changeset
215 self.ui.debug("sending %s command\n" % cmd)
624
876333a295ff Add an sshrepository class and hg serve --stdio
Matt Mackall <mpm@selenic.com>
parents: 623
diff changeset
216 self.pipeo.write("%s\n" % cmd)
13721
3458c15ab2f0 wireproto: fix handling of '*' args for HTTP and SSH
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13464
diff changeset
217 _func, names = wireproto.commands[cmd]
3458c15ab2f0 wireproto: fix handling of '*' args for HTTP and SSH
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13464
diff changeset
218 keys = names.split()
3458c15ab2f0 wireproto: fix handling of '*' args for HTTP and SSH
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13464
diff changeset
219 wireargs = {}
3458c15ab2f0 wireproto: fix handling of '*' args for HTTP and SSH
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13464
diff changeset
220 for k in keys:
3458c15ab2f0 wireproto: fix handling of '*' args for HTTP and SSH
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13464
diff changeset
221 if k == '*':
3458c15ab2f0 wireproto: fix handling of '*' args for HTTP and SSH
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13464
diff changeset
222 wireargs['*'] = args
3458c15ab2f0 wireproto: fix handling of '*' args for HTTP and SSH
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13464
diff changeset
223 break
3458c15ab2f0 wireproto: fix handling of '*' args for HTTP and SSH
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13464
diff changeset
224 else:
3458c15ab2f0 wireproto: fix handling of '*' args for HTTP and SSH
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13464
diff changeset
225 wireargs[k] = args[k]
3458c15ab2f0 wireproto: fix handling of '*' args for HTTP and SSH
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13464
diff changeset
226 del args[k]
3458c15ab2f0 wireproto: fix handling of '*' args for HTTP and SSH
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13464
diff changeset
227 for k, v in sorted(wireargs.iteritems()):
624
876333a295ff Add an sshrepository class and hg serve --stdio
Matt Mackall <mpm@selenic.com>
parents: 623
diff changeset
228 self.pipeo.write("%s %d\n" % (k, len(v)))
13721
3458c15ab2f0 wireproto: fix handling of '*' args for HTTP and SSH
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13464
diff changeset
229 if isinstance(v, dict):
3458c15ab2f0 wireproto: fix handling of '*' args for HTTP and SSH
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13464
diff changeset
230 for dk, dv in v.iteritems():
3458c15ab2f0 wireproto: fix handling of '*' args for HTTP and SSH
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13464
diff changeset
231 self.pipeo.write("%s %d\n" % (dk, len(dv)))
3458c15ab2f0 wireproto: fix handling of '*' args for HTTP and SSH
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13464
diff changeset
232 self.pipeo.write(dv)
3458c15ab2f0 wireproto: fix handling of '*' args for HTTP and SSH
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13464
diff changeset
233 else:
3458c15ab2f0 wireproto: fix handling of '*' args for HTTP and SSH
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13464
diff changeset
234 self.pipeo.write(v)
624
876333a295ff Add an sshrepository class and hg serve --stdio
Matt Mackall <mpm@selenic.com>
parents: 623
diff changeset
235 self.pipeo.flush()
876333a295ff Add an sshrepository class and hg serve --stdio
Matt Mackall <mpm@selenic.com>
parents: 623
diff changeset
236
876333a295ff Add an sshrepository class and hg serve --stdio
Matt Mackall <mpm@selenic.com>
parents: 623
diff changeset
237 return self.pipei
876333a295ff Add an sshrepository class and hg serve --stdio
Matt Mackall <mpm@selenic.com>
parents: 623
diff changeset
238
20905
167047ba3cfa wireproto: drop the _decompress method in favor a new call type
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20794
diff changeset
239 def _callcompressable(self, cmd, **args):
167047ba3cfa wireproto: drop the _decompress method in favor a new call type
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20794
diff changeset
240 return self._callstream(cmd, **args)
167047ba3cfa wireproto: drop the _decompress method in favor a new call type
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20794
diff changeset
241
11589
e8d22fe2ddab protocol: clean up call-like functions in http and ssh clients
Matt Mackall <mpm@selenic.com>
parents: 11588
diff changeset
242 def _call(self, cmd, **args):
e8d22fe2ddab protocol: clean up call-like functions in http and ssh clients
Matt Mackall <mpm@selenic.com>
parents: 11588
diff changeset
243 self._callstream(cmd, **args)
5978
7939c71f3132 sshrepo: be more careful while reading data
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5293
diff changeset
244 return self._recv()
7939c71f3132 sshrepo: be more careful while reading data
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5293
diff changeset
245
11592
26e0782b8380 protocol: unify client unbundle support
Matt Mackall <mpm@selenic.com>
parents: 11591
diff changeset
246 def _callpush(self, cmd, fp, **args):
26e0782b8380 protocol: unify client unbundle support
Matt Mackall <mpm@selenic.com>
parents: 11591
diff changeset
247 r = self._call(cmd, **args)
26e0782b8380 protocol: unify client unbundle support
Matt Mackall <mpm@selenic.com>
parents: 11591
diff changeset
248 if r:
26e0782b8380 protocol: unify client unbundle support
Matt Mackall <mpm@selenic.com>
parents: 11591
diff changeset
249 return '', r
14494
1ffeeb91c55d check-code: flag 0/1 used as constant Boolean expression
Martin Geisler <mg@lazybytes.net>
parents: 14363
diff changeset
250 while True:
11592
26e0782b8380 protocol: unify client unbundle support
Matt Mackall <mpm@selenic.com>
parents: 11591
diff changeset
251 d = fp.read(4096)
26e0782b8380 protocol: unify client unbundle support
Matt Mackall <mpm@selenic.com>
parents: 11591
diff changeset
252 if not d:
26e0782b8380 protocol: unify client unbundle support
Matt Mackall <mpm@selenic.com>
parents: 11591
diff changeset
253 break
26e0782b8380 protocol: unify client unbundle support
Matt Mackall <mpm@selenic.com>
parents: 11591
diff changeset
254 self._send(d)
26e0782b8380 protocol: unify client unbundle support
Matt Mackall <mpm@selenic.com>
parents: 11591
diff changeset
255 self._send("", flush=True)
26e0782b8380 protocol: unify client unbundle support
Matt Mackall <mpm@selenic.com>
parents: 11591
diff changeset
256 r = self._recv()
26e0782b8380 protocol: unify client unbundle support
Matt Mackall <mpm@selenic.com>
parents: 11591
diff changeset
257 if r:
26e0782b8380 protocol: unify client unbundle support
Matt Mackall <mpm@selenic.com>
parents: 11591
diff changeset
258 return '', r
26e0782b8380 protocol: unify client unbundle support
Matt Mackall <mpm@selenic.com>
parents: 11591
diff changeset
259 return self._recv(), ''
26e0782b8380 protocol: unify client unbundle support
Matt Mackall <mpm@selenic.com>
parents: 11591
diff changeset
260
21073
83ce71ef7804 sshpeer: add implementation of _calltwowaystream
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20905
diff changeset
261 def _calltwowaystream(self, cmd, fp, **args):
83ce71ef7804 sshpeer: add implementation of _calltwowaystream
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20905
diff changeset
262 r = self._call(cmd, **args)
83ce71ef7804 sshpeer: add implementation of _calltwowaystream
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20905
diff changeset
263 if r:
83ce71ef7804 sshpeer: add implementation of _calltwowaystream
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20905
diff changeset
264 # XXX needs to be made better
83ce71ef7804 sshpeer: add implementation of _calltwowaystream
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20905
diff changeset
265 raise util.Abort('unexpected remote reply: %s' % r)
83ce71ef7804 sshpeer: add implementation of _calltwowaystream
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20905
diff changeset
266 while True:
83ce71ef7804 sshpeer: add implementation of _calltwowaystream
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20905
diff changeset
267 d = fp.read(4096)
83ce71ef7804 sshpeer: add implementation of _calltwowaystream
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20905
diff changeset
268 if not d:
83ce71ef7804 sshpeer: add implementation of _calltwowaystream
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20905
diff changeset
269 break
83ce71ef7804 sshpeer: add implementation of _calltwowaystream
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20905
diff changeset
270 self._send(d)
83ce71ef7804 sshpeer: add implementation of _calltwowaystream
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20905
diff changeset
271 self._send("", flush=True)
83ce71ef7804 sshpeer: add implementation of _calltwowaystream
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20905
diff changeset
272 return self.pipei
11591
0d9cb3f3b0a1 protocol: unify client changegroup methods
Matt Mackall <mpm@selenic.com>
parents: 11590
diff changeset
273
5978
7939c71f3132 sshrepo: be more careful while reading data
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5293
diff changeset
274 def _recv(self):
7939c71f3132 sshrepo: be more careful while reading data
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5293
diff changeset
275 l = self.pipei.readline()
15017
f4522df38c65 wireproto: add out-of-band error class to allow remote repo to report errors
Andrew Pritchard <andrewp@fogcreek.com>
parents: 14537
diff changeset
276 if l == '\n':
25243
d65243d28749 sshpeer: break "OutOfBandError" feature for ssh (BC)
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 23684
diff changeset
277 self.readerr()
d65243d28749 sshpeer: break "OutOfBandError" feature for ssh (BC)
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 23684
diff changeset
278 msg = _('check previous remote output')
d65243d28749 sshpeer: break "OutOfBandError" feature for ssh (BC)
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 23684
diff changeset
279 self._abort(error.OutOfBandError(hint=msg))
646
342927da4f4c Show remote client output with "remote:"
Matt Mackall <mpm@selenic.com>
parents: 644
diff changeset
280 self.readerr()
342927da4f4c Show remote client output with "remote:"
Matt Mackall <mpm@selenic.com>
parents: 644
diff changeset
281 try:
342927da4f4c Show remote client output with "remote:"
Matt Mackall <mpm@selenic.com>
parents: 644
diff changeset
282 l = int(l)
14004
97ed99d1f419 eliminate various naked except clauses
Idan Kamara <idankk86@gmail.com>
parents: 13827
diff changeset
283 except ValueError:
11590
0b15aee0a306 protocol: convert some ssh abort calls
Matt Mackall <mpm@selenic.com>
parents: 11589
diff changeset
284 self._abort(error.ResponseError(_("unexpected response:"), l))
5978
7939c71f3132 sshrepo: be more careful while reading data
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5293
diff changeset
285 return self.pipei.read(l)
7939c71f3132 sshrepo: be more careful while reading data
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5293
diff changeset
286
7939c71f3132 sshrepo: be more careful while reading data
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5293
diff changeset
287 def _send(self, data, flush=False):
7939c71f3132 sshrepo: be more careful while reading data
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5293
diff changeset
288 self.pipeo.write("%d\n" % len(data))
7939c71f3132 sshrepo: be more careful while reading data
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5293
diff changeset
289 if data:
7939c71f3132 sshrepo: be more careful while reading data
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5293
diff changeset
290 self.pipeo.write(data)
7939c71f3132 sshrepo: be more careful while reading data
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5293
diff changeset
291 if flush:
7939c71f3132 sshrepo: be more careful while reading data
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5293
diff changeset
292 self.pipeo.flush()
7939c71f3132 sshrepo: be more careful while reading data
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5293
diff changeset
293 self.readerr()
624
876333a295ff Add an sshrepository class and hg serve --stdio
Matt Mackall <mpm@selenic.com>
parents: 623
diff changeset
294
638
35f7adfefa69 Add a scheme for handling remote locking
Matt Mackall <mpm@selenic.com>
parents: 637
diff changeset
295 def lock(self):
11589
e8d22fe2ddab protocol: clean up call-like functions in http and ssh clients
Matt Mackall <mpm@selenic.com>
parents: 11588
diff changeset
296 self._call("lock")
638
35f7adfefa69 Add a scheme for handling remote locking
Matt Mackall <mpm@selenic.com>
parents: 637
diff changeset
297 return remotelock(self)
35f7adfefa69 Add a scheme for handling remote locking
Matt Mackall <mpm@selenic.com>
parents: 637
diff changeset
298
35f7adfefa69 Add a scheme for handling remote locking
Matt Mackall <mpm@selenic.com>
parents: 637
diff changeset
299 def unlock(self):
11589
e8d22fe2ddab protocol: clean up call-like functions in http and ssh clients
Matt Mackall <mpm@selenic.com>
parents: 11588
diff changeset
300 self._call("unlock")
638
35f7adfefa69 Add a scheme for handling remote locking
Matt Mackall <mpm@selenic.com>
parents: 637
diff changeset
301
14537
3c7907dc95ca sshrepo: fix addchangegroup's signature
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 14494
diff changeset
302 def addchangegroup(self, cg, source, url, lock=None):
11153
9936ed1d04f4 push: document return values between various repo methods.
Greg Ward <greg-hg@gerg.ca>
parents: 10282
diff changeset
303 '''Send a changegroup to the remote server. Return an integer
9936ed1d04f4 push: document return values between various repo methods.
Greg Ward <greg-hg@gerg.ca>
parents: 10282
diff changeset
304 similar to unbundle(). DEPRECATED, since it requires locking the
9936ed1d04f4 push: document return values between various repo methods.
Greg Ward <greg-hg@gerg.ca>
parents: 10282
diff changeset
305 remote.'''
11589
e8d22fe2ddab protocol: clean up call-like functions in http and ssh clients
Matt Mackall <mpm@selenic.com>
parents: 11588
diff changeset
306 d = self._call("addchangegroup")
639
31cebba881a0 Add addchangegroup to the ssh protocol
Matt Mackall <mpm@selenic.com>
parents: 638
diff changeset
307 if d:
11590
0b15aee0a306 protocol: convert some ssh abort calls
Matt Mackall <mpm@selenic.com>
parents: 11589
diff changeset
308 self._abort(error.RepoError(_("push refused: %s") % d))
14494
1ffeeb91c55d check-code: flag 0/1 used as constant Boolean expression
Martin Geisler <mg@lazybytes.net>
parents: 14363
diff changeset
309 while True:
639
31cebba881a0 Add addchangegroup to the ssh protocol
Matt Mackall <mpm@selenic.com>
parents: 638
diff changeset
310 d = cg.read(4096)
5978
7939c71f3132 sshrepo: be more careful while reading data
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5293
diff changeset
311 if not d:
7939c71f3132 sshrepo: be more careful while reading data
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5293
diff changeset
312 break
639
31cebba881a0 Add addchangegroup to the ssh protocol
Matt Mackall <mpm@selenic.com>
parents: 638
diff changeset
313 self.pipeo.write(d)
646
342927da4f4c Show remote client output with "remote:"
Matt Mackall <mpm@selenic.com>
parents: 644
diff changeset
314 self.readerr()
639
31cebba881a0 Add addchangegroup to the ssh protocol
Matt Mackall <mpm@selenic.com>
parents: 638
diff changeset
315
31cebba881a0 Add addchangegroup to the ssh protocol
Matt Mackall <mpm@selenic.com>
parents: 638
diff changeset
316 self.pipeo.flush()
31cebba881a0 Add addchangegroup to the ssh protocol
Matt Mackall <mpm@selenic.com>
parents: 638
diff changeset
317
646
342927da4f4c Show remote client output with "remote:"
Matt Mackall <mpm@selenic.com>
parents: 644
diff changeset
318 self.readerr()
5978
7939c71f3132 sshrepo: be more careful while reading data
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5293
diff changeset
319 r = self._recv()
2019
ced2d3620f95 add merge command. means same thing as "update -m".
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1736
diff changeset
320 if not r:
ced2d3620f95 add merge command. means same thing as "update -m".
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 1736
diff changeset
321 return 1
5978
7939c71f3132 sshrepo: be more careful while reading data
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5293
diff changeset
322 try:
7939c71f3132 sshrepo: be more careful while reading data
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5293
diff changeset
323 return int(r)
14004
97ed99d1f419 eliminate various naked except clauses
Idan Kamara <idankk86@gmail.com>
parents: 13827
diff changeset
324 except ValueError:
11590
0b15aee0a306 protocol: convert some ssh abort calls
Matt Mackall <mpm@selenic.com>
parents: 11589
diff changeset
325 self._abort(error.ResponseError(_("unexpected response:"), r))
2612
ffb895f16925 add support for streaming clone.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2549
diff changeset
326
17192
1ac628cd7113 peer: introduce real peer classes
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 16688
diff changeset
327 instance = sshpeer