annotate mercurial/sshpeer.py @ 53018:65f6f1fe43ef

rhg-files: use the correct long-form flag for selecting a revision This went unnoticed forever, I guess most users pass in `-r`.
author Rapha?l Gom?s <rgomes@octobus.net>
date Wed, 26 Feb 2025 09:25:53 -0500
parents 5ec596c91086
children
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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 Olivia Mackall <olivia@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 from __future__ import annotations
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9
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10 import re
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11 import typing
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12 import uuid
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13
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14 from typing import Callable, Optional
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15
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16 from .i18n import _
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17 from . import (
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18 error,
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19 pycompat,
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20 util,
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21 wireprototypes,
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22 wireprotov1peer,
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23 wireprotov1server,
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24 )
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25 from .utils import (
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26 procutil,
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27 stringutil,
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28 urlutil,
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29 )
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30
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31 if typing.TYPE_CHECKING:
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32 from typing import (
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33 Set,
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34 )
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35
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36
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37 def _serverquote(s):
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38 """quote a string for the remote shell ... which we assume is sh"""
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39 if not s:
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40 return s
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41 if re.match(b'[a-zA-Z0-9@%_+=:,./-]*$', s):
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42 return s
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43 return b"'%s'" % s.replace(b"'", b"'\\''")
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44
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45
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46 def _forwardoutput(ui, pipe, warn=False):
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47 """display all data currently available on pipe as remote output.
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48
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49 This is non blocking."""
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50 if pipe and not pipe.closed:
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51 s = procutil.readpipe(pipe)
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52 if s:
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53 display = ui.warn if warn else ui.status
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54 for l in s.splitlines():
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55 display(_(b"remote: "), l, b'\n')
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56
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57
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58 def _write_all(
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59 write_once: Callable[[bytes], Optional[int]],
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60 data: bytes,
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61 ) -> Optional[int]:
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62 """write data with a non blocking function
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63
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64 In case not all data were written, keep writing until everything is
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65 written.
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66 """
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67 to_write = len(data)
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68 written = write_once(data)
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69 if written is None:
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70 written = 0
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71 if written < to_write:
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72 data = memoryview(data)
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73 while written < to_write:
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74 wrote = write_once(data[written:])
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75 # XXX if number of written bytes is "None", the destination is
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76 # full. Some `select` call would be better than the current active
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77 # polling.
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78 if wrote is not None:
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79 written += wrote
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80 return written
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81
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82
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83 class doublepipe:
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84 """Operate a side-channel pipe in addition of a main one
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85
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86 The side-channel pipe contains server output to be forwarded to the user
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87 input. The double pipe will behave as the "main" pipe, but will ensure the
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88 content of the "side" pipe is properly processed while we wait for blocking
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89 call on the "main" pipe.
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90
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91 If large amounts of data are read from "main", the forward will cease after
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92 the first bytes start to appear. This simplifies the implementation
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93 without affecting actual output of sshpeer too much as we rarely issue
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94 large read for data not yet emitted by the server.
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95
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96 The main pipe is expected to be a 'bufferedinputpipe' from the util module
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97 that handle all the os specific bits. This class lives in this module
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98 because it focus on behavior specific to the ssh protocol."""
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99
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100 def __init__(self, ui, main, side):
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101 self._ui = ui
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102 self._main = main
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103 self._side = side
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104
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105 def _wait(self):
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106 """wait until some data are available on main or side
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107
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108 return a pair of boolean (ismainready, issideready)
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109
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110 (This will only wait for data if the setup is supported by `util.poll`)
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111 """
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112 if (
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113 isinstance(self._main, util.bufferedinputpipe)
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114 and self._main.hasbuffer
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115 ):
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116 # Main has data. Assume side is worth poking at.
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117 return True, True
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118
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119 fds = [self._main.fileno(), self._side.fileno()]
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120 try:
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121 act = util.poll(fds)
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122 except NotImplementedError:
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123 # non supported yet case, assume all have data.
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124 act = fds
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125 return (self._main.fileno() in act, self._side.fileno() in act)
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126
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127 def _write_once(self, data: bytes) -> Optional[int]:
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128 """Write as much data as possible in a non blocking way"""
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129 return self._call(b'write', data)
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130
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131 def write(self, data: bytes) -> Optional[int]:
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132 """write all data in a blocking way"""
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133 return _write_all(self._write_once, data)
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134
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135 def read(self, size):
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136 r = self._call(b'read', size)
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137 if size != 0 and not r:
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138 # We've observed a condition that indicates the
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139 # stdout closed unexpectedly. Check stderr one
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140 # more time and snag anything that's there before
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141 # letting anyone know the main part of the pipe
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142 # closed prematurely.
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143 _forwardoutput(self._ui, self._side)
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144 return r
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145
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146 def unbufferedread(self, size):
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147 r = self._call(b'unbufferedread', size)
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148 if size != 0 and not r:
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149 # We've observed a condition that indicates the
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150 # stdout closed unexpectedly. Check stderr one
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151 # more time and snag anything that's there before
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152 # letting anyone know the main part of the pipe
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153 # closed prematurely.
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154 _forwardoutput(self._ui, self._side)
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155 return r
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156
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157 def readline(self):
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158 return self._call(b'readline')
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159
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160 def _call(self, methname, data=None):
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161 """call <methname> on "main", forward output of "side" while blocking"""
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162 # data can be '' or 0
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163 if (data is not None and not data) or self._main.closed:
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164 _forwardoutput(self._ui, self._side)
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165 if methname == b'write':
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166 return 0
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167 return b''
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168 while True:
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169 mainready, sideready = self._wait()
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170 if sideready:
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171 _forwardoutput(self._ui, self._side)
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172 if mainready:
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173 meth = getattr(self._main, pycompat.sysstr(methname))
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174 if data is None:
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175 return meth()
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176 else:
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177 return meth(data)
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178
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179 def close(self):
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180 return self._main.close()
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181
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182 @property
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183 def closed(self):
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184 return self._main.closed
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185
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186 def flush(self):
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187 return self._main.flush()
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188
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189
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190 def _cleanuppipes(ui, pipei, pipeo, pipee, warn):
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191 """Clean up pipes used by an SSH connection."""
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192 didsomething = False
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193 if pipeo and not pipeo.closed:
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194 didsomething = True
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195 pipeo.close()
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196 if pipei and not pipei.closed:
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197 didsomething = True
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198 pipei.close()
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199
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200 if pipee and not pipee.closed:
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201 didsomething = True
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202 # Try to read from the err descriptor until EOF.
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203 try:
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204 for l in pipee:
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205 ui.status(_(b'remote: '), l)
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206 except (OSError, ValueError):
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207 pass
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208
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209 pipee.close()
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210
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211 if didsomething and warn is not None:
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212 # Encourage explicit close of sshpeers. Closing via __del__ is
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213 # not very predictable when exceptions are thrown, which has led
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214 # to deadlocks due to a peer get gc'ed in a fork
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215 # We add our own stack trace, because the stacktrace when called
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216 # from __del__ is useless.
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217 ui.develwarn(b'missing close on SSH connection created at:\n%s' % warn)
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218
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219
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220 def _makeconnection(
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221 ui, sshcmd, args, remotecmd, path, sshenv=None, remotehidden=False
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222 ):
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223 """Create an SSH connection to a server.
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224
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225 Returns a tuple of (process, stdin, stdout, stderr) for the
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226 spawned process.
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227 """
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228 cmd = b'%s %s %s' % (
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229 sshcmd,
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230 args,
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231 procutil.shellquote(
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232 b'%s -R %s serve --stdio%s'
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233 % (
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234 _serverquote(remotecmd),
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235 _serverquote(path),
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236 b' --hidden' if remotehidden else b'',
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237 )
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238 ),
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239 )
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240
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241 ui.debug(b'running %s\n' % cmd)
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242
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243 # no buffer allow the use of 'select'
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244 # feel free to remove buffering and select usage when we ultimately
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245 # move to threading.
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246 stdin, stdout, stderr, proc = procutil.popen4(cmd, bufsize=0, env=sshenv)
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247
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248 return proc, stdin, stdout, stderr
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249
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250
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251 def _clientcapabilities():
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252 """Return list of capabilities of this client.
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253
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254 Returns a list of capabilities that are supported by this client.
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255 """
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256 protoparams = {b'partial-pull'}
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257 comps = [
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258 e.wireprotosupport().name
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259 for e in util.compengines.supportedwireengines(util.CLIENTROLE)
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260 ]
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261 protoparams.add(b'comp=%s' % b','.join(comps))
37393
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Joerg Sonnenberger <joerg@bec.de>
parents: 37321
diff changeset
262 return protoparams
afcfdf53e4b5 wireproto: provide accessors for client capabilities
Joerg Sonnenberger <joerg@bec.de>
parents: 37321
diff changeset
263
43076
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Augie Fackler <augie@google.com>
parents: 39565
diff changeset
264
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 35977
diff changeset
265 def _performhandshake(ui, stdin, stdout, stderr):
80a2b8ae42a1 sshpeer: move handshake outside of sshpeer
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35977
diff changeset
266 def badresponse():
44919
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Valentin Gatien-Baron <valentin.gatienbaron@gmail.com>
parents: 43106
diff changeset
267 # Flush any output on stderr. In general, the stderr contains errors
5d77f571a563 sshpeer: make client print (likely) server errors on stderr (BC)
Valentin Gatien-Baron <valentin.gatienbaron@gmail.com>
parents: 43106
diff changeset
268 # from the remote (ssh errors, some hg errors), and status indications
5d77f571a563 sshpeer: make client print (likely) server errors on stderr (BC)
Valentin Gatien-Baron <valentin.gatienbaron@gmail.com>
parents: 43106
diff changeset
269 # (like "adding changes"), with no current way to tell them apart.
5d77f571a563 sshpeer: make client print (likely) server errors on stderr (BC)
Valentin Gatien-Baron <valentin.gatienbaron@gmail.com>
parents: 43106
diff changeset
270 # Here we failed so early that it's almost certainly only errors, so
5d77f571a563 sshpeer: make client print (likely) server errors on stderr (BC)
Valentin Gatien-Baron <valentin.gatienbaron@gmail.com>
parents: 43106
diff changeset
271 # use warn=True so -q doesn't hide them.
5d77f571a563 sshpeer: make client print (likely) server errors on stderr (BC)
Valentin Gatien-Baron <valentin.gatienbaron@gmail.com>
parents: 43106
diff changeset
272 _forwardoutput(ui, stderr, warn=True)
36401
11ba1a96f946 sshpeer: defer pipe buffering and stderr sidechannel binding
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36400
diff changeset
273
43077
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Augie Fackler <augie@google.com>
parents: 43076
diff changeset
274 msg = _(b'no suitable response from remote hg')
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
275 hint = ui.config(b'ui', b'ssherrorhint')
35978
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 35977
diff changeset
276 raise error.RepoError(msg, hint=hint)
80a2b8ae42a1 sshpeer: move handshake outside of sshpeer
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35977
diff changeset
277
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 35980
diff changeset
278 # The handshake consists of sending wire protocol commands in reverse
48a3a9283f09 sshpeer: initial definition and implementation of new SSH protocol
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35980
diff changeset
279 # order of protocol implementation and then sniffing for a response
48a3a9283f09 sshpeer: initial definition and implementation of new SSH protocol
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35980
diff changeset
280 # to one of them.
48a3a9283f09 sshpeer: initial definition and implementation of new SSH protocol
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35980
diff changeset
281 #
48a3a9283f09 sshpeer: initial definition and implementation of new SSH protocol
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35980
diff changeset
282 # Those commands (from oldest to newest) are:
35979
a622a927fe03 sshpeer: document the handshake mechanism
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35978
diff changeset
283 #
36015
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 35980
diff changeset
284 # ``between``
48a3a9283f09 sshpeer: initial definition and implementation of new SSH protocol
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35980
diff changeset
285 # Asks for the set of revisions between a pair of revisions. Command
48a3a9283f09 sshpeer: initial definition and implementation of new SSH protocol
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35980
diff changeset
286 # present in all Mercurial server implementations.
35979
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 35978
diff changeset
287 #
36015
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 35980
diff changeset
288 # ``hello``
48a3a9283f09 sshpeer: initial definition and implementation of new SSH protocol
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35980
diff changeset
289 # Instructs the server to advertise its capabilities. Introduced in
48a3a9283f09 sshpeer: initial definition and implementation of new SSH protocol
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35980
diff changeset
290 # Mercurial 0.9.1.
48a3a9283f09 sshpeer: initial definition and implementation of new SSH protocol
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35980
diff changeset
291 #
48a3a9283f09 sshpeer: initial definition and implementation of new SSH protocol
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35980
diff changeset
292 # ``upgrade``
48a3a9283f09 sshpeer: initial definition and implementation of new SSH protocol
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35980
diff changeset
293 # Requests upgrade from default transport protocol version 1 to
48a3a9283f09 sshpeer: initial definition and implementation of new SSH protocol
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35980
diff changeset
294 # a newer version. Introduced in Mercurial 4.6 as an experimental
48a3a9283f09 sshpeer: initial definition and implementation of new SSH protocol
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35980
diff changeset
295 # feature.
35979
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 35978
diff changeset
296 #
a622a927fe03 sshpeer: document the handshake mechanism
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35978
diff changeset
297 # The ``between`` command is issued with a request for the null
a622a927fe03 sshpeer: document the handshake mechanism
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35978
diff changeset
298 # range. If the remote is a Mercurial server, this request will
a622a927fe03 sshpeer: document the handshake mechanism
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35978
diff changeset
299 # generate a specific response: ``1\n\n``. This represents the
a622a927fe03 sshpeer: document the handshake mechanism
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35978
diff changeset
300 # wire protocol encoded value for ``\n``. We look for ``1\n\n``
a622a927fe03 sshpeer: document the handshake mechanism
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35978
diff changeset
301 # in the output stream and know this is the response to ``between``
a622a927fe03 sshpeer: document the handshake mechanism
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35978
diff changeset
302 # and we're at the end of our handshake reply.
a622a927fe03 sshpeer: document the handshake mechanism
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35978
diff changeset
303 #
a622a927fe03 sshpeer: document the handshake mechanism
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35978
diff changeset
304 # The response to the ``hello`` command will be a line with the
a622a927fe03 sshpeer: document the handshake mechanism
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35978
diff changeset
305 # length of the value returned by that command followed by that
a622a927fe03 sshpeer: document the handshake mechanism
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35978
diff changeset
306 # value. If the server doesn't support ``hello`` (which should be
a622a927fe03 sshpeer: document the handshake mechanism
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35978
diff changeset
307 # rare), that line will be ``0\n``. Otherwise, the value will contain
a622a927fe03 sshpeer: document the handshake mechanism
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35978
diff changeset
308 # RFC 822 like lines. Of these, the ``capabilities:`` line contains
a622a927fe03 sshpeer: document the handshake mechanism
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35978
diff changeset
309 # the capabilities of the server.
a622a927fe03 sshpeer: document the handshake mechanism
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35978
diff changeset
310 #
36015
48a3a9283f09 sshpeer: initial definition and implementation of new SSH protocol
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35980
diff changeset
311 # The ``upgrade`` command isn't really a command in the traditional
48a3a9283f09 sshpeer: initial definition and implementation of new SSH protocol
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35980
diff changeset
312 # sense of version 1 of the transport because it isn't using the
48a3a9283f09 sshpeer: initial definition and implementation of new SSH protocol
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35980
diff changeset
313 # proper mechanism for formatting insteads: instead, it just encodes
48a3a9283f09 sshpeer: initial definition and implementation of new SSH protocol
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35980
diff changeset
314 # arguments on the line, delimited by spaces.
48a3a9283f09 sshpeer: initial definition and implementation of new SSH protocol
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35980
diff changeset
315 #
48a3a9283f09 sshpeer: initial definition and implementation of new SSH protocol
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35980
diff changeset
316 # The ``upgrade`` line looks like ``upgrade <token> <capabilities>``.
48a3a9283f09 sshpeer: initial definition and implementation of new SSH protocol
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35980
diff changeset
317 # If the server doesn't support protocol upgrades, it will reply to
48a3a9283f09 sshpeer: initial definition and implementation of new SSH protocol
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35980
diff changeset
318 # this line with ``0\n``. Otherwise, it emits an
48a3a9283f09 sshpeer: initial definition and implementation of new SSH protocol
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35980
diff changeset
319 # ``upgraded <token> <protocol>`` line to both stdout and stderr.
48a3a9283f09 sshpeer: initial definition and implementation of new SSH protocol
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35980
diff changeset
320 # Content immediately following this line describes additional
48a3a9283f09 sshpeer: initial definition and implementation of new SSH protocol
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35980
diff changeset
321 # protocol and server state.
48a3a9283f09 sshpeer: initial definition and implementation of new SSH protocol
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35980
diff changeset
322 #
35979
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 35978
diff changeset
323 # In addition to the responses to our command requests, the server
a622a927fe03 sshpeer: document the handshake mechanism
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35978
diff changeset
324 # may emit "banner" output on stdout. SSH servers are allowed to
a622a927fe03 sshpeer: document the handshake mechanism
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35978
diff changeset
325 # print messages to stdout on login. Issuing commands on connection
a622a927fe03 sshpeer: document the handshake mechanism
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35978
diff changeset
326 # allows us to flush this banner output from the server by scanning
a622a927fe03 sshpeer: document the handshake mechanism
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35978
diff changeset
327 # for output to our well-known ``between`` command. Of course, if
a622a927fe03 sshpeer: document the handshake mechanism
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35978
diff changeset
328 # the banner contains ``1\n\n``, this will throw off our detection.
a622a927fe03 sshpeer: document the handshake mechanism
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35978
diff changeset
329
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
330 requestlog = ui.configbool(b'devel', b'debug.peer-request')
35978
80a2b8ae42a1 sshpeer: move handshake outside of sshpeer
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35977
diff changeset
331
36015
48a3a9283f09 sshpeer: initial definition and implementation of new SSH protocol
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35980
diff changeset
332 # Generate a random token to help identify responses to version 2
48a3a9283f09 sshpeer: initial definition and implementation of new SSH protocol
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35980
diff changeset
333 # upgrade request.
36081
223ed0b53f08 py3: more robustly cast UUID to bytes
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36017
diff changeset
334 token = pycompat.sysbytes(str(uuid.uuid4()))
36015
48a3a9283f09 sshpeer: initial definition and implementation of new SSH protocol
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35980
diff changeset
335
35978
80a2b8ae42a1 sshpeer: move handshake outside of sshpeer
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35977
diff changeset
336 try:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
337 pairsarg = b'%s-%s' % (b'0' * 40, b'0' * 40)
35978
80a2b8ae42a1 sshpeer: move handshake outside of sshpeer
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35977
diff changeset
338 handshake = [
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
339 b'hello\n',
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
340 b'between\n',
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
341 b'pairs %d\n' % len(pairsarg),
35978
80a2b8ae42a1 sshpeer: move handshake outside of sshpeer
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35977
diff changeset
342 pairsarg,
80a2b8ae42a1 sshpeer: move handshake outside of sshpeer
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35977
diff changeset
343 ]
80a2b8ae42a1 sshpeer: move handshake outside of sshpeer
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35977
diff changeset
344
80a2b8ae42a1 sshpeer: move handshake outside of sshpeer
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35977
diff changeset
345 if requestlog:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
346 ui.debug(b'devel-peer-request: hello+between\n')
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
347 ui.debug(b'devel-peer-request: pairs: %d bytes\n' % len(pairsarg))
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
348 ui.debug(b'sending hello command\n')
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
349 ui.debug(b'sending between command\n')
35978
80a2b8ae42a1 sshpeer: move handshake outside of sshpeer
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35977
diff changeset
350
52277
f6b30f4b5e07 sshpeer: fix another occurrence of short write handling
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 52276
diff changeset
351 _write_all(stdin.write, b''.join(handshake))
35978
80a2b8ae42a1 sshpeer: move handshake outside of sshpeer
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35977
diff changeset
352 stdin.flush()
52665
24ee91ba9aa8 pyupgrade: drop usage of py3 aliases for `OSError`
Matt Harbison <matt_harbison@yahoo.com>
parents: 52548
diff changeset
353 except OSError:
35978
80a2b8ae42a1 sshpeer: move handshake outside of sshpeer
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35977
diff changeset
354 badresponse()
80a2b8ae42a1 sshpeer: move handshake outside of sshpeer
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35977
diff changeset
355
36015
48a3a9283f09 sshpeer: initial definition and implementation of new SSH protocol
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35980
diff changeset
356 # Assume version 1 of wire protocol by default.
36565
3cd245945ef3 wireprotoserver: move SSHV1 and SSHV2 constants to wireprototypes
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36562
diff changeset
357 protoname = wireprototypes.SSHV1
38479
67dc32d4e790 cleanup: migrate from re.escape to stringutil.reescape
Augie Fackler <augie@google.com>
parents: 37813
diff changeset
358 reupgraded = re.compile(b'^upgraded %s (.*)$' % stringutil.reescape(token))
36015
48a3a9283f09 sshpeer: initial definition and implementation of new SSH protocol
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35980
diff changeset
359
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
360 lines = [b'', b'dummy']
35978
80a2b8ae42a1 sshpeer: move handshake outside of sshpeer
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35977
diff changeset
361 max_noise = 500
80a2b8ae42a1 sshpeer: move handshake outside of sshpeer
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35977
diff changeset
362 while lines[-1] and max_noise:
80a2b8ae42a1 sshpeer: move handshake outside of sshpeer
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35977
diff changeset
363 try:
80a2b8ae42a1 sshpeer: move handshake outside of sshpeer
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35977
diff changeset
364 l = stdout.readline()
44919
5d77f571a563 sshpeer: make client print (likely) server errors on stderr (BC)
Valentin Gatien-Baron <valentin.gatienbaron@gmail.com>
parents: 43106
diff changeset
365 _forwardoutput(ui, stderr, warn=True)
36015
48a3a9283f09 sshpeer: initial definition and implementation of new SSH protocol
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35980
diff changeset
366
48a3a9283f09 sshpeer: initial definition and implementation of new SSH protocol
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35980
diff changeset
367 # Look for reply to protocol upgrade request. It has a token
48a3a9283f09 sshpeer: initial definition and implementation of new SSH protocol
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35980
diff changeset
368 # in it, so there should be no false positives.
48a3a9283f09 sshpeer: initial definition and implementation of new SSH protocol
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35980
diff changeset
369 m = reupgraded.match(l)
48a3a9283f09 sshpeer: initial definition and implementation of new SSH protocol
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35980
diff changeset
370 if m:
48a3a9283f09 sshpeer: initial definition and implementation of new SSH protocol
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35980
diff changeset
371 protoname = m.group(1)
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
372 ui.debug(b'protocol upgraded to %s\n' % protoname)
36015
48a3a9283f09 sshpeer: initial definition and implementation of new SSH protocol
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35980
diff changeset
373 # If an upgrade was handled, the ``hello`` and ``between``
48a3a9283f09 sshpeer: initial definition and implementation of new SSH protocol
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35980
diff changeset
374 # requests are ignored. The next output belongs to the
48a3a9283f09 sshpeer: initial definition and implementation of new SSH protocol
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35980
diff changeset
375 # protocol, so stop scanning lines.
48a3a9283f09 sshpeer: initial definition and implementation of new SSH protocol
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35980
diff changeset
376 break
48a3a9283f09 sshpeer: initial definition and implementation of new SSH protocol
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35980
diff changeset
377
48a3a9283f09 sshpeer: initial definition and implementation of new SSH protocol
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35980
diff changeset
378 # Otherwise it could be a banner, ``0\n`` response if server
48a3a9283f09 sshpeer: initial definition and implementation of new SSH protocol
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35980
diff changeset
379 # doesn't support upgrade.
48a3a9283f09 sshpeer: initial definition and implementation of new SSH protocol
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35980
diff changeset
380
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
381 if lines[-1] == b'1\n' and l == b'\n':
35978
80a2b8ae42a1 sshpeer: move handshake outside of sshpeer
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35977
diff changeset
382 break
80a2b8ae42a1 sshpeer: move handshake outside of sshpeer
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35977
diff changeset
383 if l:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
384 ui.debug(b'remote: ', l)
35978
80a2b8ae42a1 sshpeer: move handshake outside of sshpeer
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35977
diff changeset
385 lines.append(l)
80a2b8ae42a1 sshpeer: move handshake outside of sshpeer
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35977
diff changeset
386 max_noise -= 1
52665
24ee91ba9aa8 pyupgrade: drop usage of py3 aliases for `OSError`
Matt Harbison <matt_harbison@yahoo.com>
parents: 52548
diff changeset
387 except OSError:
35978
80a2b8ae42a1 sshpeer: move handshake outside of sshpeer
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35977
diff changeset
388 badresponse()
80a2b8ae42a1 sshpeer: move handshake outside of sshpeer
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35977
diff changeset
389 else:
80a2b8ae42a1 sshpeer: move handshake outside of sshpeer
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35977
diff changeset
390 badresponse()
80a2b8ae42a1 sshpeer: move handshake outside of sshpeer
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35977
diff changeset
391
80a2b8ae42a1 sshpeer: move handshake outside of sshpeer
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35977
diff changeset
392 caps = set()
80a2b8ae42a1 sshpeer: move handshake outside of sshpeer
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35977
diff changeset
393
36015
48a3a9283f09 sshpeer: initial definition and implementation of new SSH protocol
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35980
diff changeset
394 # For version 1, we should see a ``capabilities`` line in response to the
48a3a9283f09 sshpeer: initial definition and implementation of new SSH protocol
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35980
diff changeset
395 # ``hello`` command.
36565
3cd245945ef3 wireprotoserver: move SSHV1 and SSHV2 constants to wireprototypes
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36562
diff changeset
396 if protoname == wireprototypes.SSHV1:
36015
48a3a9283f09 sshpeer: initial definition and implementation of new SSH protocol
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35980
diff changeset
397 for l in reversed(lines):
48a3a9283f09 sshpeer: initial definition and implementation of new SSH protocol
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35980
diff changeset
398 # Look for response to ``hello`` command. Scan from the back so
48a3a9283f09 sshpeer: initial definition and implementation of new SSH protocol
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35980
diff changeset
399 # we don't misinterpret banner output as the command reply.
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
400 if l.startswith(b'capabilities:'):
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
401 caps.update(l[:-1].split(b':')[1].split())
36015
48a3a9283f09 sshpeer: initial definition and implementation of new SSH protocol
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35980
diff changeset
402 break
48a3a9283f09 sshpeer: initial definition and implementation of new SSH protocol
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35980
diff changeset
403
48a3a9283f09 sshpeer: initial definition and implementation of new SSH protocol
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35980
diff changeset
404 # Error if we couldn't find capabilities, this means:
35980
556218e08e25 sshpeer: remove support for connecting to <0.9.1 servers (BC)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35979
diff changeset
405 #
556218e08e25 sshpeer: remove support for connecting to <0.9.1 servers (BC)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35979
diff changeset
406 # 1. Remote isn't a Mercurial server
556218e08e25 sshpeer: remove support for connecting to <0.9.1 servers (BC)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35979
diff changeset
407 # 2. Remote is a <0.9.1 Mercurial server
556218e08e25 sshpeer: remove support for connecting to <0.9.1 servers (BC)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35979
diff changeset
408 # 3. Remote is a future Mercurial server that dropped ``hello``
36015
48a3a9283f09 sshpeer: initial definition and implementation of new SSH protocol
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35980
diff changeset
409 # and other attempted handshake mechanisms.
35980
556218e08e25 sshpeer: remove support for connecting to <0.9.1 servers (BC)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35979
diff changeset
410 if not caps:
556218e08e25 sshpeer: remove support for connecting to <0.9.1 servers (BC)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35979
diff changeset
411 badresponse()
556218e08e25 sshpeer: remove support for connecting to <0.9.1 servers (BC)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35979
diff changeset
412
36401
11ba1a96f946 sshpeer: defer pipe buffering and stderr sidechannel binding
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36400
diff changeset
413 # Flush any output on stderr before proceeding.
44919
5d77f571a563 sshpeer: make client print (likely) server errors on stderr (BC)
Valentin Gatien-Baron <valentin.gatienbaron@gmail.com>
parents: 43106
diff changeset
414 _forwardoutput(ui, stderr, warn=True)
36401
11ba1a96f946 sshpeer: defer pipe buffering and stderr sidechannel binding
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36400
diff changeset
415
36017
59e4a7781a36 sshpeer: implement peer for version 2 of wire protocol
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36016
diff changeset
416 return protoname, caps
35978
80a2b8ae42a1 sshpeer: move handshake outside of sshpeer
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35977
diff changeset
417
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 39565
diff changeset
418
37614
a81d02ea65db wireproto: move version 1 peer functionality to standalone module (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37498
diff changeset
419 class sshv1peer(wireprotov1peer.wirepeer):
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 39565
diff changeset
420 def __init__(
50474
3a2df812e1c7 pull: add --remote-hidden option and pass it through peer creation
Manuel Jacob <me@manueljacob.de>
parents: 50458
diff changeset
421 self,
3a2df812e1c7 pull: add --remote-hidden option and pass it through peer creation
Manuel Jacob <me@manueljacob.de>
parents: 50458
diff changeset
422 ui,
3a2df812e1c7 pull: add --remote-hidden option and pass it through peer creation
Manuel Jacob <me@manueljacob.de>
parents: 50458
diff changeset
423 path,
3a2df812e1c7 pull: add --remote-hidden option and pass it through peer creation
Manuel Jacob <me@manueljacob.de>
parents: 50458
diff changeset
424 proc,
3a2df812e1c7 pull: add --remote-hidden option and pass it through peer creation
Manuel Jacob <me@manueljacob.de>
parents: 50458
diff changeset
425 stdin,
3a2df812e1c7 pull: add --remote-hidden option and pass it through peer creation
Manuel Jacob <me@manueljacob.de>
parents: 50458
diff changeset
426 stdout,
3a2df812e1c7 pull: add --remote-hidden option and pass it through peer creation
Manuel Jacob <me@manueljacob.de>
parents: 50458
diff changeset
427 stderr,
3a2df812e1c7 pull: add --remote-hidden option and pass it through peer creation
Manuel Jacob <me@manueljacob.de>
parents: 50458
diff changeset
428 caps,
3a2df812e1c7 pull: add --remote-hidden option and pass it through peer creation
Manuel Jacob <me@manueljacob.de>
parents: 50458
diff changeset
429 autoreadstderr=True,
3a2df812e1c7 pull: add --remote-hidden option and pass it through peer creation
Manuel Jacob <me@manueljacob.de>
parents: 50458
diff changeset
430 remotehidden=False,
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 39565
diff changeset
431 ):
35976
f8f034344b39 sshpeer: clean up API for sshpeer.__init__ (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35975
diff changeset
432 """Create a peer from an existing SSH connection.
f8f034344b39 sshpeer: clean up API for sshpeer.__init__ (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35975
diff changeset
433
f8f034344b39 sshpeer: clean up API for sshpeer.__init__ (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35975
diff changeset
434 ``proc`` is a handle on the underlying SSH process.
f8f034344b39 sshpeer: clean up API for sshpeer.__init__ (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35975
diff changeset
435 ``stdin``, ``stdout``, and ``stderr`` are handles on the stdio
f8f034344b39 sshpeer: clean up API for sshpeer.__init__ (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35975
diff changeset
436 pipes for that process.
35978
80a2b8ae42a1 sshpeer: move handshake outside of sshpeer
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35977
diff changeset
437 ``caps`` is a set of capabilities supported by the remote.
36562
1a36ef7df70a sshpeer: support not reading and forwarding stderr
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36517
diff changeset
438 ``autoreadstderr`` denotes whether to automatically read from
1a36ef7df70a sshpeer: support not reading and forwarding stderr
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36517
diff changeset
439 stderr and to forward its output.
35976
f8f034344b39 sshpeer: clean up API for sshpeer.__init__ (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35975
diff changeset
440 """
50474
3a2df812e1c7 pull: add --remote-hidden option and pass it through peer creation
Manuel Jacob <me@manueljacob.de>
parents: 50458
diff changeset
441 super().__init__(ui, path=path, remotehidden=remotehidden)
35975
00b9e26d727b sshpeer: establish SSH connection before class instantiation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35974
diff changeset
442 # self._subprocess is unused. Keeping a handle on the process
00b9e26d727b sshpeer: establish SSH connection before class instantiation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35974
diff changeset
443 # holds a reference and prevents it from being garbage collected.
35976
f8f034344b39 sshpeer: clean up API for sshpeer.__init__ (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35975
diff changeset
444 self._subprocess = proc
36401
11ba1a96f946 sshpeer: defer pipe buffering and stderr sidechannel binding
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36400
diff changeset
445
11ba1a96f946 sshpeer: defer pipe buffering and stderr sidechannel binding
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36400
diff changeset
446 # And we hook up our "doublepipe" wrapper to allow querying
11ba1a96f946 sshpeer: defer pipe buffering and stderr sidechannel binding
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36400
diff changeset
447 # stderr any time we perform I/O.
36562
1a36ef7df70a sshpeer: support not reading and forwarding stderr
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36517
diff changeset
448 if autoreadstderr:
1a36ef7df70a sshpeer: support not reading and forwarding stderr
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36517
diff changeset
449 stdout = doublepipe(ui, util.bufferedinputpipe(stdout), stderr)
1a36ef7df70a sshpeer: support not reading and forwarding stderr
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36517
diff changeset
450 stdin = doublepipe(ui, stdin, stderr)
36401
11ba1a96f946 sshpeer: defer pipe buffering and stderr sidechannel binding
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36400
diff changeset
451
35976
f8f034344b39 sshpeer: clean up API for sshpeer.__init__ (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35975
diff changeset
452 self._pipeo = stdin
f8f034344b39 sshpeer: clean up API for sshpeer.__init__ (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35975
diff changeset
453 self._pipei = stdout
f8f034344b39 sshpeer: clean up API for sshpeer.__init__ (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35975
diff changeset
454 self._pipee = stderr
35978
80a2b8ae42a1 sshpeer: move handshake outside of sshpeer
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35977
diff changeset
455 self._caps = caps
36637
1151c731686e sshpeer: don't read from stderr when that behavior is disabled
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36565
diff changeset
456 self._autoreadstderr = autoreadstderr
46701
db8037e38085 sshpeer: add a develwarning if an sshpeer is not closed explicitly
Valentin Gatien-Baron <valentin.gatienbaron@gmail.com>
parents: 46699
diff changeset
457 self._initstack = b''.join(util.getstackframes(1))
50481
45c7bada5200 hidden: add support to explicitly access hidden changesets with SSH peers
Manuel Jacob <me@manueljacob.de>
parents: 50474
diff changeset
458 self._remotehidden = remotehidden
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
459
36398
043e77f3be09 sshpeer: return framed file object when needed
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36397
diff changeset
460 # Commands that have a "framed" response where the first line of the
043e77f3be09 sshpeer: return framed file object when needed
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36397
diff changeset
461 # response contains the length of that response.
043e77f3be09 sshpeer: return framed file object when needed
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36397
diff changeset
462 _FRAMED_COMMANDS = {
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
463 b'batch',
36398
043e77f3be09 sshpeer: return framed file object when needed
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36397
diff changeset
464 }
043e77f3be09 sshpeer: return framed file object when needed
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36397
diff changeset
465
37320
39f7d4ee8bcd repository: port peer interfaces to zope.interface
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37123
diff changeset
466 # Begin of ipeerconnection interface.
33825
1f8460b55986 sshpeer: use peer interface
Gregory Szorc <gregory.szorc@gmail.com>
parents: 33789
diff changeset
467
2673
109a22f5434a hooks: add url to changegroup, incoming, prechangegroup, pretxnchangegroup hooks
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2612
diff changeset
468 def url(self):
49873
73ed1d13c0bf peer: get the `path` object down to the sshpeer
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49869
diff changeset
469 return self.path.loc
2673
109a22f5434a hooks: add url to changegroup, incoming, prechangegroup, pretxnchangegroup hooks
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2612
diff changeset
470
33825
1f8460b55986 sshpeer: use peer interface
Gregory Szorc <gregory.szorc@gmail.com>
parents: 33789
diff changeset
471 def local(self):
1f8460b55986 sshpeer: use peer interface
Gregory Szorc <gregory.szorc@gmail.com>
parents: 33789
diff changeset
472 return None
1f8460b55986 sshpeer: use peer interface
Gregory Szorc <gregory.szorc@gmail.com>
parents: 33789
diff changeset
473
1f8460b55986 sshpeer: use peer interface
Gregory Szorc <gregory.szorc@gmail.com>
parents: 33789
diff changeset
474 def canpush(self):
1f8460b55986 sshpeer: use peer interface
Gregory Szorc <gregory.szorc@gmail.com>
parents: 33789
diff changeset
475 return True
1f8460b55986 sshpeer: use peer interface
Gregory Szorc <gregory.szorc@gmail.com>
parents: 33789
diff changeset
476
1f8460b55986 sshpeer: use peer interface
Gregory Szorc <gregory.szorc@gmail.com>
parents: 33789
diff changeset
477 def close(self):
46698
8c4906105f37 sshpeer: make sshpeer.close() close the underlying connection
Valentin Gatien-Baron <valentin.gatienbaron@gmail.com>
parents: 45957
diff changeset
478 self._cleanup()
33825
1f8460b55986 sshpeer: use peer interface
Gregory Szorc <gregory.szorc@gmail.com>
parents: 33789
diff changeset
479
37320
39f7d4ee8bcd repository: port peer interfaces to zope.interface
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37123
diff changeset
480 # End of ipeerconnection interface.
33825
1f8460b55986 sshpeer: use peer interface
Gregory Szorc <gregory.szorc@gmail.com>
parents: 33789
diff changeset
481
52547
1554bd50a1af interfaces: move peer `capabilities()` to the `ipeercapabilities` interface
Matt Harbison <matt_harbison@yahoo.com>
parents: 51901
diff changeset
482 # Begin of ipeercapabilities interface.
33825
1f8460b55986 sshpeer: use peer interface
Gregory Szorc <gregory.szorc@gmail.com>
parents: 33789
diff changeset
483
52548
b52f2b365eff typing: add type hints to `ipeercapabilities.capabilities()`
Matt Harbison <matt_harbison@yahoo.com>
parents: 52547
diff changeset
484 def capabilities(self) -> Set[bytes]:
33825
1f8460b55986 sshpeer: use peer interface
Gregory Szorc <gregory.szorc@gmail.com>
parents: 33789
diff changeset
485 return self._caps
1f8460b55986 sshpeer: use peer interface
Gregory Szorc <gregory.szorc@gmail.com>
parents: 33789
diff changeset
486
52547
1554bd50a1af interfaces: move peer `capabilities()` to the `ipeercapabilities` interface
Matt Harbison <matt_harbison@yahoo.com>
parents: 51901
diff changeset
487 # End of ipeercapabilities interface.
33825
1f8460b55986 sshpeer: use peer interface
Gregory Szorc <gregory.szorc@gmail.com>
parents: 33789
diff changeset
488
33789
82d564d5ac4f sshpeer: make instance attributes and methods internal
Gregory Szorc <gregory.szorc@gmail.com>
parents: 33763
diff changeset
489 def _readerr(self):
82d564d5ac4f sshpeer: make instance attributes and methods internal
Gregory Szorc <gregory.szorc@gmail.com>
parents: 33763
diff changeset
490 _forwardoutput(self.ui, self._pipee)
624
876333a295ff Add an sshrepository class and hg serve --stdio
Matt Mackall <mpm@selenic.com>
parents: 623
diff changeset
491
11586
ddaaaa23bb8f protocol: move basic ssh client commands to wirerepository
Matt Mackall <mpm@selenic.com>
parents: 11369
diff changeset
492 def _abort(self, exception):
33789
82d564d5ac4f sshpeer: make instance attributes and methods internal
Gregory Szorc <gregory.szorc@gmail.com>
parents: 33763
diff changeset
493 self._cleanup()
11586
ddaaaa23bb8f protocol: move basic ssh client commands to wirerepository
Matt Mackall <mpm@selenic.com>
parents: 11369
diff changeset
494 raise exception
ddaaaa23bb8f protocol: move basic ssh client commands to wirerepository
Matt Mackall <mpm@selenic.com>
parents: 11369
diff changeset
495
46701
db8037e38085 sshpeer: add a develwarning if an sshpeer is not closed explicitly
Valentin Gatien-Baron <valentin.gatienbaron@gmail.com>
parents: 46699
diff changeset
496 def _cleanup(self, warn=None):
db8037e38085 sshpeer: add a develwarning if an sshpeer is not closed explicitly
Valentin Gatien-Baron <valentin.gatienbaron@gmail.com>
parents: 46699
diff changeset
497 _cleanuppipes(self.ui, self._pipei, self._pipeo, self._pipee, warn=warn)
624
876333a295ff Add an sshrepository class and hg serve --stdio
Matt Mackall <mpm@selenic.com>
parents: 623
diff changeset
498
46701
db8037e38085 sshpeer: add a develwarning if an sshpeer is not closed explicitly
Valentin Gatien-Baron <valentin.gatienbaron@gmail.com>
parents: 46699
diff changeset
499 def __del__(self):
db8037e38085 sshpeer: add a develwarning if an sshpeer is not closed explicitly
Valentin Gatien-Baron <valentin.gatienbaron@gmail.com>
parents: 46699
diff changeset
500 self._cleanup(warn=self._initstack)
3034
2b0bc36a48d8 sshrepo: flush stderr before connecting to the hg server
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents: 2859
diff changeset
501
36398
043e77f3be09 sshpeer: return framed file object when needed
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36397
diff changeset
502 def _sendrequest(self, cmd, args, framed=False):
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 39565
diff changeset
503 if self.ui.debugflag and self.ui.configbool(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
504 b'devel', b'debug.peer-request'
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 39565
diff changeset
505 ):
35699
f7ef49e44d7c sshpeer: add support for request tracing
Boris Feld <boris.feld@octobus.net>
parents: 35463
diff changeset
506 dbg = self.ui.debug
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
507 line = b'devel-peer-request: %s\n'
35699
f7ef49e44d7c sshpeer: add support for request tracing
Boris Feld <boris.feld@octobus.net>
parents: 35463
diff changeset
508 dbg(line % cmd)
f7ef49e44d7c sshpeer: add support for request tracing
Boris Feld <boris.feld@octobus.net>
parents: 35463
diff changeset
509 for key, value in sorted(args.items()):
f7ef49e44d7c sshpeer: add support for request tracing
Boris Feld <boris.feld@octobus.net>
parents: 35463
diff changeset
510 if not isinstance(value, dict):
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
511 dbg(line % b' %s: %d bytes' % (key, len(value)))
35699
f7ef49e44d7c sshpeer: add support for request tracing
Boris Feld <boris.feld@octobus.net>
parents: 35463
diff changeset
512 else:
f7ef49e44d7c sshpeer: add support for request tracing
Boris Feld <boris.feld@octobus.net>
parents: 35463
diff changeset
513 for dk, dv in sorted(value.items()):
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
514 dbg(line % b' %s-%s: %d' % (key, dk, len(dv)))
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
515 self.ui.debug(b"sending %s command\n" % cmd)
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
516 self._pipeo.write(b"%s\n" % cmd)
37785
b4d85bc122bd wireproto: rename wireproto to wireprotov1server (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37717
diff changeset
517 _func, names = wireprotov1server.commands[cmd]
13721
3458c15ab2f0 wireproto: fix handling of '*' args for HTTP and SSH
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13464
diff changeset
518 keys = names.split()
3458c15ab2f0 wireproto: fix handling of '*' args for HTTP and SSH
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13464
diff changeset
519 wireargs = {}
3458c15ab2f0 wireproto: fix handling of '*' args for HTTP and SSH
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13464
diff changeset
520 for k in keys:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
521 if k == b'*':
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
522 wireargs[b'*'] = args
13721
3458c15ab2f0 wireproto: fix handling of '*' args for HTTP and SSH
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13464
diff changeset
523 break
3458c15ab2f0 wireproto: fix handling of '*' args for HTTP and SSH
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13464
diff changeset
524 else:
3458c15ab2f0 wireproto: fix handling of '*' args for HTTP and SSH
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13464
diff changeset
525 wireargs[k] = args[k]
3458c15ab2f0 wireproto: fix handling of '*' args for HTTP and SSH
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13464
diff changeset
526 del args[k]
49004
f254fc73d956 global: bulk replace simple pycompat.iteritems(x) with x.items()
Gregory Szorc <gregory.szorc@gmail.com>
parents: 48966
diff changeset
527 for k, v in sorted(wireargs.items()):
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
528 self._pipeo.write(b"%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
529 if isinstance(v, dict):
49004
f254fc73d956 global: bulk replace simple pycompat.iteritems(x) with x.items()
Gregory Szorc <gregory.szorc@gmail.com>
parents: 48966
diff changeset
530 for dk, dv in v.items():
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
531 self._pipeo.write(b"%s %d\n" % (dk, len(dv)))
33789
82d564d5ac4f sshpeer: make instance attributes and methods internal
Gregory Szorc <gregory.szorc@gmail.com>
parents: 33763
diff changeset
532 self._pipeo.write(dv)
13721
3458c15ab2f0 wireproto: fix handling of '*' args for HTTP and SSH
Peter Arrenbrecht <peter.arrenbrecht@gmail.com>
parents: 13464
diff changeset
533 else:
33789
82d564d5ac4f sshpeer: make instance attributes and methods internal
Gregory Szorc <gregory.szorc@gmail.com>
parents: 33763
diff changeset
534 self._pipeo.write(v)
82d564d5ac4f sshpeer: make instance attributes and methods internal
Gregory Szorc <gregory.szorc@gmail.com>
parents: 33763
diff changeset
535 self._pipeo.flush()
624
876333a295ff Add an sshrepository class and hg serve --stdio
Matt Mackall <mpm@selenic.com>
parents: 623
diff changeset
536
36398
043e77f3be09 sshpeer: return framed file object when needed
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36397
diff changeset
537 # We know exactly how many bytes are in the response. So return a proxy
043e77f3be09 sshpeer: return framed file object when needed
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36397
diff changeset
538 # around the raw output stream that allows reading exactly this many
043e77f3be09 sshpeer: return framed file object when needed
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36397
diff changeset
539 # bytes. Callers then can read() without fear of overrunning the
043e77f3be09 sshpeer: return framed file object when needed
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36397
diff changeset
540 # response.
043e77f3be09 sshpeer: return framed file object when needed
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36397
diff changeset
541 if framed:
043e77f3be09 sshpeer: return framed file object when needed
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36397
diff changeset
542 amount = self._getamount()
043e77f3be09 sshpeer: return framed file object when needed
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36397
diff changeset
543 return util.cappedreader(self._pipei, amount)
043e77f3be09 sshpeer: return framed file object when needed
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36397
diff changeset
544
33789
82d564d5ac4f sshpeer: make instance attributes and methods internal
Gregory Szorc <gregory.szorc@gmail.com>
parents: 33763
diff changeset
545 return self._pipei
624
876333a295ff Add an sshrepository class and hg serve --stdio
Matt Mackall <mpm@selenic.com>
parents: 623
diff changeset
546
36397
a34d5ef53c2e sshpeer: move logic for sending a request into a new function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36396
diff changeset
547 def _callstream(self, cmd, **args):
a34d5ef53c2e sshpeer: move logic for sending a request into a new function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36396
diff changeset
548 args = pycompat.byteskwargs(args)
36398
043e77f3be09 sshpeer: return framed file object when needed
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36397
diff changeset
549 return self._sendrequest(cmd, args, framed=cmd in self._FRAMED_COMMANDS)
36397
a34d5ef53c2e sshpeer: move logic for sending a request into a new function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36396
diff changeset
550
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
551 def _callcompressable(self, cmd, **args):
36397
a34d5ef53c2e sshpeer: move logic for sending a request into a new function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36396
diff changeset
552 args = pycompat.byteskwargs(args)
36398
043e77f3be09 sshpeer: return framed file object when needed
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36397
diff changeset
553 return self._sendrequest(cmd, args, framed=cmd in self._FRAMED_COMMANDS)
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
554
11589
e8d22fe2ddab protocol: clean up call-like functions in http and ssh clients
Matt Mackall <mpm@selenic.com>
parents: 11588
diff changeset
555 def _call(self, cmd, **args):
36397
a34d5ef53c2e sshpeer: move logic for sending a request into a new function
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36396
diff changeset
556 args = pycompat.byteskwargs(args)
36398
043e77f3be09 sshpeer: return framed file object when needed
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36397
diff changeset
557 return self._sendrequest(cmd, args, framed=True).read()
5978
7939c71f3132 sshrepo: be more careful while reading data
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5293
diff changeset
558
11592
26e0782b8380 protocol: unify client unbundle support
Matt Mackall <mpm@selenic.com>
parents: 11591
diff changeset
559 def _callpush(self, cmd, fp, **args):
36403
b8d0761a85c7 wireproto: document the wonky push protocol for SSH
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36401
diff changeset
560 # The server responds with an empty frame if the client should
b8d0761a85c7 wireproto: document the wonky push protocol for SSH
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36401
diff changeset
561 # continue submitting the payload.
11592
26e0782b8380 protocol: unify client unbundle support
Matt Mackall <mpm@selenic.com>
parents: 11591
diff changeset
562 r = self._call(cmd, **args)
26e0782b8380 protocol: unify client unbundle support
Matt Mackall <mpm@selenic.com>
parents: 11591
diff changeset
563 if r:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
564 return b'', r
36403
b8d0761a85c7 wireproto: document the wonky push protocol for SSH
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36401
diff changeset
565
b8d0761a85c7 wireproto: document the wonky push protocol for SSH
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36401
diff changeset
566 # The payload consists of frames with content followed by an empty
b8d0761a85c7 wireproto: document the wonky push protocol for SSH
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36401
diff changeset
567 # frame.
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
568 for d in iter(lambda: fp.read(4096), b''):
36396
7f8f74531b0b sshpeer: rename _recv and _send to _readframed and _writeframed
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36254
diff changeset
569 self._writeframed(d)
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
570 self._writeframed(b"", flush=True)
36403
b8d0761a85c7 wireproto: document the wonky push protocol for SSH
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36401
diff changeset
571
b8d0761a85c7 wireproto: document the wonky push protocol for SSH
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36401
diff changeset
572 # In case of success, there is an empty frame and a frame containing
b8d0761a85c7 wireproto: document the wonky push protocol for SSH
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36401
diff changeset
573 # the integer result (as a string).
b8d0761a85c7 wireproto: document the wonky push protocol for SSH
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36401
diff changeset
574 # In case of error, there is a non-empty frame containing the error.
36396
7f8f74531b0b sshpeer: rename _recv and _send to _readframed and _writeframed
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36254
diff changeset
575 r = self._readframed()
11592
26e0782b8380 protocol: unify client unbundle support
Matt Mackall <mpm@selenic.com>
parents: 11591
diff changeset
576 if r:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
577 return b'', r
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
578 return self._readframed(), b''
11592
26e0782b8380 protocol: unify client unbundle support
Matt Mackall <mpm@selenic.com>
parents: 11591
diff changeset
579
21073
83ce71ef7804 sshpeer: add implementation of _calltwowaystream
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20905
diff changeset
580 def _calltwowaystream(self, cmd, fp, **args):
36403
b8d0761a85c7 wireproto: document the wonky push protocol for SSH
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36401
diff changeset
581 # The server responds with an empty frame if the client should
b8d0761a85c7 wireproto: document the wonky push protocol for SSH
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36401
diff changeset
582 # continue submitting the payload.
21073
83ce71ef7804 sshpeer: add implementation of _calltwowaystream
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20905
diff changeset
583 r = self._call(cmd, **args)
83ce71ef7804 sshpeer: add implementation of _calltwowaystream
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20905
diff changeset
584 if r:
83ce71ef7804 sshpeer: add implementation of _calltwowaystream
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 20905
diff changeset
585 # XXX needs to be made better
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
586 raise error.Abort(_(b'unexpected remote reply: %s') % r)
36403
b8d0761a85c7 wireproto: document the wonky push protocol for SSH
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36401
diff changeset
587
b8d0761a85c7 wireproto: document the wonky push protocol for SSH
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36401
diff changeset
588 # The payload consists of frames with content followed by an empty
b8d0761a85c7 wireproto: document the wonky push protocol for SSH
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36401
diff changeset
589 # frame.
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
590 for d in iter(lambda: fp.read(4096), b''):
36396
7f8f74531b0b sshpeer: rename _recv and _send to _readframed and _writeframed
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36254
diff changeset
591 self._writeframed(d)
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
592 self._writeframed(b"", flush=True)
36403
b8d0761a85c7 wireproto: document the wonky push protocol for SSH
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36401
diff changeset
593
33789
82d564d5ac4f sshpeer: make instance attributes and methods internal
Gregory Szorc <gregory.szorc@gmail.com>
parents: 33763
diff changeset
594 return self._pipei
11591
0d9cb3f3b0a1 protocol: unify client changegroup methods
Matt Mackall <mpm@selenic.com>
parents: 11590
diff changeset
595
28438
48fd02dac1d4 wireproto: make iterbatcher behave streamily over http(s)
Augie Fackler <augie@google.com>
parents: 27798
diff changeset
596 def _getamount(self):
33789
82d564d5ac4f sshpeer: make instance attributes and methods internal
Gregory Szorc <gregory.szorc@gmail.com>
parents: 33763
diff changeset
597 l = self._pipei.readline()
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
598 if l == b'\n':
36637
1151c731686e sshpeer: don't read from stderr when that behavior is disabled
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36565
diff changeset
599 if self._autoreadstderr:
1151c731686e sshpeer: don't read from stderr when that behavior is disabled
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36565
diff changeset
600 self._readerr()
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
601 msg = _(b'check previous remote output')
25243
d65243d28749 sshpeer: break "OutOfBandError" feature for ssh (BC)
Pierre-Yves David <pierre-yves.david@fb.com>
parents: 23684
diff changeset
602 self._abort(error.OutOfBandError(hint=msg))
36637
1151c731686e sshpeer: don't read from stderr when that behavior is disabled
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36565
diff changeset
603 if self._autoreadstderr:
1151c731686e sshpeer: don't read from stderr when that behavior is disabled
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36565
diff changeset
604 self._readerr()
646
342927da4f4c Show remote client output with "remote:"
Matt Mackall <mpm@selenic.com>
parents: 644
diff changeset
605 try:
28438
48fd02dac1d4 wireproto: make iterbatcher behave streamily over http(s)
Augie Fackler <augie@google.com>
parents: 27798
diff changeset
606 return int(l)
14004
97ed99d1f419 eliminate various naked except clauses
Idan Kamara <idankk86@gmail.com>
parents: 13827
diff changeset
607 except ValueError:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
608 self._abort(error.ResponseError(_(b"unexpected response:"), l))
28438
48fd02dac1d4 wireproto: make iterbatcher behave streamily over http(s)
Augie Fackler <augie@google.com>
parents: 27798
diff changeset
609
36396
7f8f74531b0b sshpeer: rename _recv and _send to _readframed and _writeframed
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36254
diff changeset
610 def _readframed(self):
36657
70415568ea65 sshpeer: don't read(0)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36637
diff changeset
611 size = self._getamount()
70415568ea65 sshpeer: don't read(0)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36637
diff changeset
612 if not size:
70415568ea65 sshpeer: don't read(0)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36637
diff changeset
613 return b''
70415568ea65 sshpeer: don't read(0)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36637
diff changeset
614
70415568ea65 sshpeer: don't read(0)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36637
diff changeset
615 return self._pipei.read(size)
5978
7939c71f3132 sshrepo: be more careful while reading data
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5293
diff changeset
616
36396
7f8f74531b0b sshpeer: rename _recv and _send to _readframed and _writeframed
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36254
diff changeset
617 def _writeframed(self, data, flush=False):
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
618 self._pipeo.write(b"%d\n" % len(data))
5978
7939c71f3132 sshrepo: be more careful while reading data
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5293
diff changeset
619 if data:
33789
82d564d5ac4f sshpeer: make instance attributes and methods internal
Gregory Szorc <gregory.szorc@gmail.com>
parents: 33763
diff changeset
620 self._pipeo.write(data)
5978
7939c71f3132 sshrepo: be more careful while reading data
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents: 5293
diff changeset
621 if flush:
33789
82d564d5ac4f sshpeer: make instance attributes and methods internal
Gregory Szorc <gregory.szorc@gmail.com>
parents: 33763
diff changeset
622 self._pipeo.flush()
36637
1151c731686e sshpeer: don't read from stderr when that behavior is disabled
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36565
diff changeset
623 if self._autoreadstderr:
1151c731686e sshpeer: don't read from stderr when that behavior is disabled
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36565
diff changeset
624 self._readerr()
2612
ffb895f16925 add support for streaming clone.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2549
diff changeset
625
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 39565
diff changeset
626
50474
3a2df812e1c7 pull: add --remote-hidden option and pass it through peer creation
Manuel Jacob <me@manueljacob.de>
parents: 50458
diff changeset
627 def _make_peer(
3a2df812e1c7 pull: add --remote-hidden option and pass it through peer creation
Manuel Jacob <me@manueljacob.de>
parents: 50458
diff changeset
628 ui,
3a2df812e1c7 pull: add --remote-hidden option and pass it through peer creation
Manuel Jacob <me@manueljacob.de>
parents: 50458
diff changeset
629 path,
3a2df812e1c7 pull: add --remote-hidden option and pass it through peer creation
Manuel Jacob <me@manueljacob.de>
parents: 50458
diff changeset
630 proc,
3a2df812e1c7 pull: add --remote-hidden option and pass it through peer creation
Manuel Jacob <me@manueljacob.de>
parents: 50458
diff changeset
631 stdin,
3a2df812e1c7 pull: add --remote-hidden option and pass it through peer creation
Manuel Jacob <me@manueljacob.de>
parents: 50458
diff changeset
632 stdout,
3a2df812e1c7 pull: add --remote-hidden option and pass it through peer creation
Manuel Jacob <me@manueljacob.de>
parents: 50458
diff changeset
633 stderr,
3a2df812e1c7 pull: add --remote-hidden option and pass it through peer creation
Manuel Jacob <me@manueljacob.de>
parents: 50458
diff changeset
634 autoreadstderr=True,
3a2df812e1c7 pull: add --remote-hidden option and pass it through peer creation
Manuel Jacob <me@manueljacob.de>
parents: 50458
diff changeset
635 remotehidden=False,
3a2df812e1c7 pull: add --remote-hidden option and pass it through peer creation
Manuel Jacob <me@manueljacob.de>
parents: 50458
diff changeset
636 ):
36517
dabf86721200 sshpeer: factor out code for creating peers from pipes
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36403
diff changeset
637 """Make a peer instance from existing pipes.
dabf86721200 sshpeer: factor out code for creating peers from pipes
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36403
diff changeset
638
dabf86721200 sshpeer: factor out code for creating peers from pipes
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36403
diff changeset
639 ``path`` and ``proc`` are stored on the eventual peer instance and may
dabf86721200 sshpeer: factor out code for creating peers from pipes
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36403
diff changeset
640 not be used for anything meaningful.
dabf86721200 sshpeer: factor out code for creating peers from pipes
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36403
diff changeset
641
dabf86721200 sshpeer: factor out code for creating peers from pipes
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36403
diff changeset
642 ``stdin``, ``stdout``, and ``stderr`` are the pipes connected to the
dabf86721200 sshpeer: factor out code for creating peers from pipes
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36403
diff changeset
643 SSH server's stdio handles.
dabf86721200 sshpeer: factor out code for creating peers from pipes
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36403
diff changeset
644
dabf86721200 sshpeer: factor out code for creating peers from pipes
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36403
diff changeset
645 This function is factored out to allow creating peers that don't
dabf86721200 sshpeer: factor out code for creating peers from pipes
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36403
diff changeset
646 actually spawn a new process. It is useful for starting SSH protocol
dabf86721200 sshpeer: factor out code for creating peers from pipes
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36403
diff changeset
647 servers and clients via non-standard means, which can be useful for
dabf86721200 sshpeer: factor out code for creating peers from pipes
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36403
diff changeset
648 testing.
dabf86721200 sshpeer: factor out code for creating peers from pipes
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36403
diff changeset
649 """
dabf86721200 sshpeer: factor out code for creating peers from pipes
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36403
diff changeset
650 try:
dabf86721200 sshpeer: factor out code for creating peers from pipes
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36403
diff changeset
651 protoname, caps = _performhandshake(ui, stdin, stdout, stderr)
dabf86721200 sshpeer: factor out code for creating peers from pipes
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36403
diff changeset
652 except Exception:
46701
db8037e38085 sshpeer: add a develwarning if an sshpeer is not closed explicitly
Valentin Gatien-Baron <valentin.gatienbaron@gmail.com>
parents: 46699
diff changeset
653 _cleanuppipes(ui, stdout, stdin, stderr, warn=None)
36517
dabf86721200 sshpeer: factor out code for creating peers from pipes
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36403
diff changeset
654 raise
dabf86721200 sshpeer: factor out code for creating peers from pipes
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36403
diff changeset
655
36565
3cd245945ef3 wireprotoserver: move SSHV1 and SSHV2 constants to wireprototypes
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36562
diff changeset
656 if protoname == wireprototypes.SSHV1:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 39565
diff changeset
657 return sshv1peer(
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 39565
diff changeset
658 ui,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 39565
diff changeset
659 path,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 39565
diff changeset
660 proc,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 39565
diff changeset
661 stdin,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 39565
diff changeset
662 stdout,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 39565
diff changeset
663 stderr,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 39565
diff changeset
664 caps,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 39565
diff changeset
665 autoreadstderr=autoreadstderr,
50474
3a2df812e1c7 pull: add --remote-hidden option and pass it through peer creation
Manuel Jacob <me@manueljacob.de>
parents: 50458
diff changeset
666 remotehidden=remotehidden,
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 39565
diff changeset
667 )
36517
dabf86721200 sshpeer: factor out code for creating peers from pipes
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36403
diff changeset
668 else:
46701
db8037e38085 sshpeer: add a develwarning if an sshpeer is not closed explicitly
Valentin Gatien-Baron <valentin.gatienbaron@gmail.com>
parents: 46699
diff changeset
669 _cleanuppipes(ui, stdout, stdin, stderr, warn=None)
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 39565
diff changeset
670 raise error.RepoError(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
671 _(b'unknown version of SSH protocol: %s') % protoname
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 39565
diff changeset
672 )
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 39565
diff changeset
673
36517
dabf86721200 sshpeer: factor out code for creating peers from pipes
Gregory Szorc <gregory.szorc@gmail.com>
parents: 36403
diff changeset
674
50474
3a2df812e1c7 pull: add --remote-hidden option and pass it through peer creation
Manuel Jacob <me@manueljacob.de>
parents: 50458
diff changeset
675 def make_peer(
3a2df812e1c7 pull: add --remote-hidden option and pass it through peer creation
Manuel Jacob <me@manueljacob.de>
parents: 50458
diff changeset
676 ui, path, create, intents=None, createopts=None, remotehidden=False
3a2df812e1c7 pull: add --remote-hidden option and pass it through peer creation
Manuel Jacob <me@manueljacob.de>
parents: 50458
diff changeset
677 ):
35971
b202d360d2a4 sshpeer: move URL validation out of sshpeer.__init__
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35968
diff changeset
678 """Create an SSH peer.
b202d360d2a4 sshpeer: move URL validation out of sshpeer.__init__
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35968
diff changeset
679
37614
a81d02ea65db wireproto: move version 1 peer functionality to standalone module (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 37498
diff changeset
680 The returned object conforms to the ``wireprotov1peer.wirepeer`` interface.
35971
b202d360d2a4 sshpeer: move URL validation out of sshpeer.__init__
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35968
diff changeset
681 """
49873
73ed1d13c0bf peer: get the `path` object down to the sshpeer
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49869
diff changeset
682 u = urlutil.url(path.loc, parsequery=False, parsefragment=False)
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
683 if u.scheme != b'ssh' or not u.host or u.path is None:
51460
a2f1d97e5284 sshpeer: fix path when handling invalid url exception
Felipe Resende <felipe@fcresende.dev.br>
parents: 50952
diff changeset
684 raise error.RepoError(_(b"couldn't parse location %s") % path.loc)
35971
b202d360d2a4 sshpeer: move URL validation out of sshpeer.__init__
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35968
diff changeset
685
49873
73ed1d13c0bf peer: get the `path` object down to the sshpeer
Pierre-Yves David <pierre-yves.david@octobus.net>
parents: 49869
diff changeset
686 urlutil.checksafessh(path.loc)
35971
b202d360d2a4 sshpeer: move URL validation out of sshpeer.__init__
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35968
diff changeset
687
b202d360d2a4 sshpeer: move URL validation out of sshpeer.__init__
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35968
diff changeset
688 if u.passwd is not None:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
689 raise error.RepoError(_(b'password in URL not supported'))
35971
b202d360d2a4 sshpeer: move URL validation out of sshpeer.__init__
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35968
diff changeset
690
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
691 sshcmd = ui.config(b'ui', b'ssh')
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
692 remotecmd = ui.config(b'ui', b'remotecmd')
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
693 sshaddenv = dict(ui.configitems(b'sshenv'))
37123
a8a902d7176e procutil: bulk-replace function calls to point to new module
Yuya Nishihara <yuya@tcha.org>
parents: 36841
diff changeset
694 sshenv = procutil.shellenviron(sshaddenv)
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
695 remotepath = u.path or b'.'
35972
31449baf0936 sshpeer: move ssh command and repo creation logic out of __init__
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35971
diff changeset
696
37123
a8a902d7176e procutil: bulk-replace function calls to point to new module
Yuya Nishihara <yuya@tcha.org>
parents: 36841
diff changeset
697 args = procutil.sshargs(sshcmd, u.host, u.user, u.port)
35972
31449baf0936 sshpeer: move ssh command and repo creation logic out of __init__
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35971
diff changeset
698
31449baf0936 sshpeer: move ssh command and repo creation logic out of __init__
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35971
diff changeset
699 if create:
39565
089fc0db0954 hg: allow extra arguments to be passed to repo creation (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 38713
diff changeset
700 # We /could/ do this, but only if the remote init command knows how to
089fc0db0954 hg: allow extra arguments to be passed to repo creation (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 38713
diff changeset
701 # handle them. We don't yet make any assumptions about that. And without
089fc0db0954 hg: allow extra arguments to be passed to repo creation (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 38713
diff changeset
702 # querying the remote, there's no way of knowing if the remote even
089fc0db0954 hg: allow extra arguments to be passed to repo creation (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 38713
diff changeset
703 # supports said requested feature.
089fc0db0954 hg: allow extra arguments to be passed to repo creation (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 38713
diff changeset
704 if createopts:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 39565
diff changeset
705 raise error.RepoError(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
706 _(
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
707 b'cannot create remote SSH repositories '
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
708 b'with extra options'
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
709 )
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 39565
diff changeset
710 )
39565
089fc0db0954 hg: allow extra arguments to be passed to repo creation (API)
Gregory Szorc <gregory.szorc@gmail.com>
parents: 38713
diff changeset
711
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
712 cmd = b'%s %s %s' % (
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 39565
diff changeset
713 sshcmd,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 39565
diff changeset
714 args,
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 39565
diff changeset
715 procutil.shellquote(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
716 b'%s init %s'
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 39565
diff changeset
717 % (_serverquote(remotecmd), _serverquote(remotepath))
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 39565
diff changeset
718 ),
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 39565
diff changeset
719 )
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
720 ui.debug(b'running %s\n' % cmd)
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
721 res = ui.system(cmd, blockedtag=b'sshpeer', environ=sshenv)
35972
31449baf0936 sshpeer: move ssh command and repo creation logic out of __init__
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35971
diff changeset
722 if res != 0:
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
723 raise error.RepoError(_(b'could not create remote repo'))
35972
31449baf0936 sshpeer: move ssh command and repo creation logic out of __init__
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35971
diff changeset
724
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 39565
diff changeset
725 proc, stdin, stdout, stderr = _makeconnection(
50481
45c7bada5200 hidden: add support to explicitly access hidden changesets with SSH peers
Manuel Jacob <me@manueljacob.de>
parents: 50474
diff changeset
726 ui,
45c7bada5200 hidden: add support to explicitly access hidden changesets with SSH peers
Manuel Jacob <me@manueljacob.de>
parents: 50474
diff changeset
727 sshcmd,
45c7bada5200 hidden: add support to explicitly access hidden changesets with SSH peers
Manuel Jacob <me@manueljacob.de>
parents: 50474
diff changeset
728 args,
45c7bada5200 hidden: add support to explicitly access hidden changesets with SSH peers
Manuel Jacob <me@manueljacob.de>
parents: 50474
diff changeset
729 remotecmd,
45c7bada5200 hidden: add support to explicitly access hidden changesets with SSH peers
Manuel Jacob <me@manueljacob.de>
parents: 50474
diff changeset
730 remotepath,
45c7bada5200 hidden: add support to explicitly access hidden changesets with SSH peers
Manuel Jacob <me@manueljacob.de>
parents: 50474
diff changeset
731 sshenv,
45c7bada5200 hidden: add support to explicitly access hidden changesets with SSH peers
Manuel Jacob <me@manueljacob.de>
parents: 50474
diff changeset
732 remotehidden=remotehidden,
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 39565
diff changeset
733 )
35975
00b9e26d727b sshpeer: establish SSH connection before class instantiation
Gregory Szorc <gregory.szorc@gmail.com>
parents: 35974
diff changeset
734
50474
3a2df812e1c7 pull: add --remote-hidden option and pass it through peer creation
Manuel Jacob <me@manueljacob.de>
parents: 50458
diff changeset
735 peer = _make_peer(
3a2df812e1c7 pull: add --remote-hidden option and pass it through peer creation
Manuel Jacob <me@manueljacob.de>
parents: 50458
diff changeset
736 ui, path, proc, stdin, stdout, stderr, remotehidden=remotehidden
3a2df812e1c7 pull: add --remote-hidden option and pass it through peer creation
Manuel Jacob <me@manueljacob.de>
parents: 50458
diff changeset
737 )
37393
afcfdf53e4b5 wireproto: provide accessors for client capabilities
Joerg Sonnenberger <joerg@bec.de>
parents: 37321
diff changeset
738
afcfdf53e4b5 wireproto: provide accessors for client capabilities
Joerg Sonnenberger <joerg@bec.de>
parents: 37321
diff changeset
739 # Finally, if supported by the server, notify it about our own
afcfdf53e4b5 wireproto: provide accessors for client capabilities
Joerg Sonnenberger <joerg@bec.de>
parents: 37321
diff changeset
740 # capabilities.
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
741 if b'protocaps' in peer.capabilities():
37393
afcfdf53e4b5 wireproto: provide accessors for client capabilities
Joerg Sonnenberger <joerg@bec.de>
parents: 37321
diff changeset
742 try:
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 39565
diff changeset
743 peer._call(
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
744 b"protocaps", caps=b' '.join(sorted(_clientcapabilities()))
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 39565
diff changeset
745 )
52665
24ee91ba9aa8 pyupgrade: drop usage of py3 aliases for `OSError`
Matt Harbison <matt_harbison@yahoo.com>
parents: 52548
diff changeset
746 except OSError:
37393
afcfdf53e4b5 wireproto: provide accessors for client capabilities
Joerg Sonnenberger <joerg@bec.de>
parents: 37321
diff changeset
747 peer._cleanup()
43077
687b865b95ad formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents: 43076
diff changeset
748 raise error.RepoError(_(b'capability exchange failed'))
37393
afcfdf53e4b5 wireproto: provide accessors for client capabilities
Joerg Sonnenberger <joerg@bec.de>
parents: 37321
diff changeset
749
afcfdf53e4b5 wireproto: provide accessors for client capabilities
Joerg Sonnenberger <joerg@bec.de>
parents: 37321
diff changeset
750 return peer