Mercurial > hg
annotate hgext/chgserver.py @ 29112:5edc5acecc83
sslutil: handle ui.insecureconnections in validator
Right now, web.cacerts=! means one of two things:
1) Use of --insecure
2) No CAs could be found and were loaded (see sslkwargs)
This isn't very obvious and makes changing behavior of these
different scenarios independent of the other impossible.
This patch changes the validator code to explicit handle the
case of --insecure being used.
As the inline comment indicates, there is room to possibly change
messaging and logic here. For now, we are backwards compatible.
author | Gregory Szorc <gregory.szorc@gmail.com> |
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date | Thu, 05 May 2016 00:37:28 -0700 |
parents | 57a24a85a2bc |
children | 0d83ad967bf8 |
rev | line source |
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1 # chgserver.py - command server extension for cHg |
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2 # |
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3 # Copyright 2011 Yuya Nishihara <yuya@tcha.org> |
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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 """command server extension for cHg (EXPERIMENTAL) |
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9 |
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10 'S' channel (read/write) |
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11 propagate ui.system() request to client |
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12 |
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13 'attachio' command |
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14 attach client's stdio passed by sendmsg() |
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15 |
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16 'chdir' command |
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17 change current directory |
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18 |
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19 'getpager' command |
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20 checks if pager is enabled and which pager should be executed |
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21 |
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22 'setenv' command |
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23 replace os.environ completely |
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24 |
28325 | 25 'setumask' command |
26 set umask | |
27 | |
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28 'validate' command |
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29 reload the config and check if the server is up to date |
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30 |
28325 | 31 Config |
32 ------ | |
33 | |
34 :: | |
35 | |
36 [chgserver] | |
37 idletimeout = 3600 # seconds, after which an idle server will exit | |
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38 skiphash = False # whether to skip config or env change checks |
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39 """ |
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40 |
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41 from __future__ import absolute_import |
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42 |
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43 import SocketServer |
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44 import errno |
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45 import gc |
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46 import inspect |
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47 import os |
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48 import random |
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49 import re |
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50 import struct |
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51 import sys |
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52 import threading |
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53 import time |
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54 import traceback |
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55 |
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56 from mercurial.i18n import _ |
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57 |
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58 from mercurial import ( |
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59 cmdutil, |
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60 commands, |
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61 commandserver, |
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62 dispatch, |
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63 error, |
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64 extensions, |
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65 osutil, |
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66 util, |
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67 ) |
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68 |
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69 # Note for extension authors: ONLY specify testedwith = 'internal' for |
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70 # extensions which SHIP WITH MERCURIAL. Non-mainline extensions should |
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71 # be specifying the version(s) of Mercurial they are tested with, or |
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72 # leave the attribute unspecified. |
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73 testedwith = 'internal' |
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74 |
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75 _log = commandserver.log |
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76 |
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77 def _hashlist(items): |
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78 """return sha1 hexdigest for a list""" |
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79 return util.sha1(str(items)).hexdigest() |
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80 |
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81 # sensitive config sections affecting confighash |
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82 _configsections = [ |
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83 'alias', # affects global state commands.table |
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84 'extdiff', # uisetup will register new commands |
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85 'extensions', |
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86 ] |
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87 |
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88 # sensitive environment variables affecting confighash |
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89 _envre = re.compile(r'''\A(?: |
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90 CHGHG |
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91 |HG.* |
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92 |LANG(?:UAGE)? |
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93 |LC_.* |
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94 |LD_.* |
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95 |PATH |
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96 |PYTHON.* |
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97 |TERM(?:INFO)? |
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98 |TZ |
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99 )\Z''', re.X) |
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100 |
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101 def _confighash(ui): |
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102 """return a quick hash for detecting config/env changes |
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103 |
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104 confighash is the hash of sensitive config items and environment variables. |
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105 |
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106 for chgserver, it is designed that once confighash changes, the server is |
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107 not qualified to serve its client and should redirect the client to a new |
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108 server. different from mtimehash, confighash change will not mark the |
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109 server outdated and exit since the user can have different configs at the |
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110 same time. |
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111 """ |
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112 sectionitems = [] |
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113 for section in _configsections: |
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114 sectionitems.append(ui.configitems(section)) |
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115 sectionhash = _hashlist(sectionitems) |
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116 envitems = [(k, v) for k, v in os.environ.iteritems() if _envre.match(k)] |
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117 envhash = _hashlist(sorted(envitems)) |
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118 return sectionhash[:6] + envhash[:6] |
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119 |
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120 def _getmtimepaths(ui): |
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121 """get a list of paths that should be checked to detect change |
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122 |
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123 The list will include: |
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124 - extensions (will not cover all files for complex extensions) |
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125 - mercurial/__version__.py |
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126 - python binary |
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127 """ |
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128 modules = [m for n, m in extensions.extensions(ui)] |
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129 try: |
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130 from mercurial import __version__ |
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131 modules.append(__version__) |
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132 except ImportError: |
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133 pass |
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134 files = [sys.executable] |
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135 for m in modules: |
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136 try: |
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137 files.append(inspect.getabsfile(m)) |
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138 except TypeError: |
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139 pass |
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140 return sorted(set(files)) |
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141 |
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142 def _mtimehash(paths): |
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143 """return a quick hash for detecting file changes |
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144 |
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145 mtimehash calls stat on given paths and calculate a hash based on size and |
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146 mtime of each file. mtimehash does not read file content because reading is |
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147 expensive. therefore it's not 100% reliable for detecting content changes. |
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148 it's possible to return different hashes for same file contents. |
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149 it's also possible to return a same hash for different file contents for |
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150 some carefully crafted situation. |
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151 |
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152 for chgserver, it is designed that once mtimehash changes, the server is |
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153 considered outdated immediately and should no longer provide service. |
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154 """ |
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155 def trystat(path): |
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156 try: |
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157 st = os.stat(path) |
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158 return (st.st_mtime, st.st_size) |
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159 except OSError: |
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160 # could be ENOENT, EPERM etc. not fatal in any case |
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161 pass |
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162 return _hashlist(map(trystat, paths))[:12] |
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163 |
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164 class hashstate(object): |
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165 """a structure storing confighash, mtimehash, paths used for mtimehash""" |
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166 def __init__(self, confighash, mtimehash, mtimepaths): |
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167 self.confighash = confighash |
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168 self.mtimehash = mtimehash |
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169 self.mtimepaths = mtimepaths |
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170 |
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171 @staticmethod |
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172 def fromui(ui, mtimepaths=None): |
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173 if mtimepaths is None: |
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174 mtimepaths = _getmtimepaths(ui) |
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175 confighash = _confighash(ui) |
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176 mtimehash = _mtimehash(mtimepaths) |
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177 _log('confighash = %s mtimehash = %s\n' % (confighash, mtimehash)) |
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178 return hashstate(confighash, mtimehash, mtimepaths) |
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179 |
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180 # copied from hgext/pager.py:uisetup() |
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181 def _setuppagercmd(ui, options, cmd): |
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182 if not ui.formatted(): |
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183 return |
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184 |
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185 p = ui.config("pager", "pager", os.environ.get("PAGER")) |
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186 usepager = False |
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187 always = util.parsebool(options['pager']) |
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188 auto = options['pager'] == 'auto' |
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189 |
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190 if not p: |
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191 pass |
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192 elif always: |
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193 usepager = True |
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194 elif not auto: |
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195 usepager = False |
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196 else: |
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197 attended = ['annotate', 'cat', 'diff', 'export', 'glog', 'log', 'qdiff'] |
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198 attend = ui.configlist('pager', 'attend', attended) |
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199 ignore = ui.configlist('pager', 'ignore') |
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200 cmds, _ = cmdutil.findcmd(cmd, commands.table) |
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201 |
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202 for cmd in cmds: |
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203 var = 'attend-%s' % cmd |
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204 if ui.config('pager', var): |
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205 usepager = ui.configbool('pager', var) |
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206 break |
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207 if (cmd in attend or |
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208 (cmd not in ignore and not attend)): |
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209 usepager = True |
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210 break |
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211 |
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212 if usepager: |
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213 ui.setconfig('ui', 'formatted', ui.formatted(), 'pager') |
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214 ui.setconfig('ui', 'interactive', False, 'pager') |
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215 return p |
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216 |
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217 def _newchgui(srcui, csystem): |
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218 class chgui(srcui.__class__): |
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219 def __init__(self, src=None): |
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220 super(chgui, self).__init__(src) |
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221 if src: |
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222 self._csystem = getattr(src, '_csystem', csystem) |
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223 else: |
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224 self._csystem = csystem |
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225 |
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226 def system(self, cmd, environ=None, cwd=None, onerr=None, |
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227 errprefix=None): |
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228 # fallback to the original system method if the output needs to be |
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229 # captured (to self._buffers), or the output stream is not stdout |
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230 # (e.g. stderr, cStringIO), because the chg client is not aware of |
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231 # these situations and will behave differently (write to stdout). |
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232 if (any(s[1] for s in self._bufferstates) |
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233 or not util.safehasattr(self.fout, 'fileno') |
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234 or self.fout.fileno() != sys.stdout.fileno()): |
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235 return super(chgui, self).system(cmd, environ, cwd, onerr, |
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236 errprefix) |
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237 # copied from mercurial/util.py:system() |
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238 self.flush() |
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239 def py2shell(val): |
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240 if val is None or val is False: |
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241 return '0' |
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242 if val is True: |
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243 return '1' |
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244 return str(val) |
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245 env = os.environ.copy() |
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246 if environ: |
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247 env.update((k, py2shell(v)) for k, v in environ.iteritems()) |
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248 env['HG'] = util.hgexecutable() |
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249 rc = self._csystem(cmd, env, cwd) |
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250 if rc and onerr: |
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251 errmsg = '%s %s' % (os.path.basename(cmd.split(None, 1)[0]), |
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252 util.explainexit(rc)[0]) |
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253 if errprefix: |
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254 errmsg = '%s: %s' % (errprefix, errmsg) |
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255 raise onerr(errmsg) |
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256 return rc |
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257 |
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258 return chgui(srcui) |
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259 |
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260 def _loadnewui(srcui, args): |
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261 newui = srcui.__class__() |
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262 for a in ['fin', 'fout', 'ferr', 'environ']: |
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263 setattr(newui, a, getattr(srcui, a)) |
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264 if util.safehasattr(srcui, '_csystem'): |
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265 newui._csystem = srcui._csystem |
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266 |
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267 # internal config: extensions.chgserver |
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268 newui.setconfig('extensions', 'chgserver', |
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269 srcui.config('extensions', 'chgserver'), '--config') |
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270 |
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271 # command line args |
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272 args = args[:] |
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273 dispatch._parseconfig(newui, dispatch._earlygetopt(['--config'], args)) |
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274 |
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275 # stolen from tortoisehg.util.copydynamicconfig() |
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276 for section, name, value in srcui.walkconfig(): |
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277 source = srcui.configsource(section, name) |
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278 if ':' in source or source == '--config': |
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279 # path:line or command line |
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280 continue |
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281 if source == 'none': |
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282 # ui.configsource returns 'none' by default |
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283 source = '' |
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284 newui.setconfig(section, name, value, source) |
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285 |
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286 # load wd and repo config, copied from dispatch.py |
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287 cwds = dispatch._earlygetopt(['--cwd'], args) |
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288 cwd = cwds and os.path.realpath(cwds[-1]) or None |
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289 rpath = dispatch._earlygetopt(["-R", "--repository", "--repo"], args) |
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290 path, newlui = dispatch._getlocal(newui, rpath, wd=cwd) |
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291 |
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292 return (newui, newlui) |
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293 |
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294 class channeledsystem(object): |
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295 """Propagate ui.system() request in the following format: |
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296 |
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297 payload length (unsigned int), |
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298 cmd, '\0', |
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299 cwd, '\0', |
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300 envkey, '=', val, '\0', |
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301 ... |
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302 envkey, '=', val |
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303 |
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304 and waits: |
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305 |
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306 exitcode length (unsigned int), |
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307 exitcode (int) |
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308 """ |
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309 def __init__(self, in_, out, channel): |
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310 self.in_ = in_ |
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311 self.out = out |
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312 self.channel = channel |
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313 |
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314 def __call__(self, cmd, environ, cwd): |
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315 args = [util.quotecommand(cmd), os.path.abspath(cwd or '.')] |
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316 args.extend('%s=%s' % (k, v) for k, v in environ.iteritems()) |
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317 data = '\0'.join(args) |
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318 self.out.write(struct.pack('>cI', self.channel, len(data))) |
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319 self.out.write(data) |
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320 self.out.flush() |
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321 |
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322 length = self.in_.read(4) |
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323 length, = struct.unpack('>I', length) |
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324 if length != 4: |
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325 raise error.Abort(_('invalid response')) |
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326 rc, = struct.unpack('>i', self.in_.read(4)) |
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327 return rc |
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328 |
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329 _iochannels = [ |
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330 # server.ch, ui.fp, mode |
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331 ('cin', 'fin', 'rb'), |
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332 ('cout', 'fout', 'wb'), |
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333 ('cerr', 'ferr', 'wb'), |
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334 ] |
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335 |
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336 class chgcmdserver(commandserver.server): |
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337 def __init__(self, ui, repo, fin, fout, sock, hashstate, baseaddress): |
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338 super(chgcmdserver, self).__init__( |
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339 _newchgui(ui, channeledsystem(fin, fout, 'S')), repo, fin, fout) |
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340 self.clientsock = sock |
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341 self._oldios = [] # original (self.ch, ui.fp, fd) before "attachio" |
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342 self.hashstate = hashstate |
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343 self.baseaddress = baseaddress |
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344 if hashstate is not None: |
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345 self.capabilities = self.capabilities.copy() |
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346 self.capabilities['validate'] = chgcmdserver.validate |
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347 |
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348 def cleanup(self): |
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349 # dispatch._runcatch() does not flush outputs if exception is not |
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350 # handled by dispatch._dispatch() |
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351 self.ui.flush() |
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352 self._restoreio() |
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353 |
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354 def attachio(self): |
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355 """Attach to client's stdio passed via unix domain socket; all |
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356 channels except cresult will no longer be used |
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357 """ |
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358 # tell client to sendmsg() with 1-byte payload, which makes it |
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359 # distinctive from "attachio\n" command consumed by client.read() |
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360 self.clientsock.sendall(struct.pack('>cI', 'I', 1)) |
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361 clientfds = osutil.recvfds(self.clientsock.fileno()) |
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362 _log('received fds: %r\n' % clientfds) |
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363 |
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364 ui = self.ui |
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365 ui.flush() |
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366 first = self._saveio() |
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367 for fd, (cn, fn, mode) in zip(clientfds, _iochannels): |
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368 assert fd > 0 |
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369 fp = getattr(ui, fn) |
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370 os.dup2(fd, fp.fileno()) |
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371 os.close(fd) |
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372 if not first: |
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373 continue |
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374 # reset buffering mode when client is first attached. as we want |
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375 # to see output immediately on pager, the mode stays unchanged |
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376 # when client re-attached. ferr is unchanged because it should |
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377 # be unbuffered no matter if it is a tty or not. |
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378 if fn == 'ferr': |
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379 newfp = fp |
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380 else: |
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381 # make it line buffered explicitly because the default is |
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382 # decided on first write(), where fout could be a pager. |
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383 if fp.isatty(): |
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384 bufsize = 1 # line buffered |
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385 else: |
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386 bufsize = -1 # system default |
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387 newfp = os.fdopen(fp.fileno(), mode, bufsize) |
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388 setattr(ui, fn, newfp) |
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389 setattr(self, cn, newfp) |
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390 |
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391 self.cresult.write(struct.pack('>i', len(clientfds))) |
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392 |
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393 def _saveio(self): |
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394 if self._oldios: |
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395 return False |
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396 ui = self.ui |
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397 for cn, fn, _mode in _iochannels: |
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398 ch = getattr(self, cn) |
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399 fp = getattr(ui, fn) |
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400 fd = os.dup(fp.fileno()) |
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401 self._oldios.append((ch, fp, fd)) |
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402 return True |
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403 |
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404 def _restoreio(self): |
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405 ui = self.ui |
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406 for (ch, fp, fd), (cn, fn, _mode) in zip(self._oldios, _iochannels): |
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407 newfp = getattr(ui, fn) |
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408 # close newfp while it's associated with client; otherwise it |
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409 # would be closed when newfp is deleted |
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410 if newfp is not fp: |
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411 newfp.close() |
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412 # restore original fd: fp is open again |
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413 os.dup2(fd, fp.fileno()) |
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414 os.close(fd) |
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415 setattr(self, cn, ch) |
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416 setattr(ui, fn, fp) |
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417 del self._oldios[:] |
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418 |
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419 def validate(self): |
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420 """Reload the config and check if the server is up to date |
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421 |
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422 Read a list of '\0' separated arguments. |
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423 Write a non-empty list of '\0' separated instruction strings or '\0' |
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424 if the list is empty. |
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425 An instruction string could be either: |
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426 - "unlink $path", the client should unlink the path to stop the |
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427 outdated server. |
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428 - "redirect $path", the client should attempt to connect to $path |
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429 first. If it does not work, start a new server. It implies |
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430 "reconnect". |
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431 - "exit $n", the client should exit directly with code n. |
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432 This may happen if we cannot parse the config. |
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433 - "reconnect", the client should close the connection and |
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434 reconnect. |
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435 If neither "reconnect" nor "redirect" is included in the instruction |
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436 list, the client can continue with this server after completing all |
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437 the instructions. |
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438 """ |
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439 args = self._readlist() |
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440 try: |
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441 self.ui, lui = _loadnewui(self.ui, args) |
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442 except error.ParseError as inst: |
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443 dispatch._formatparse(self.ui.warn, inst) |
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444 self.ui.flush() |
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445 self.cresult.write('exit 255') |
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446 return |
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447 newhash = hashstate.fromui(lui, self.hashstate.mtimepaths) |
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448 insts = [] |
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449 if newhash.mtimehash != self.hashstate.mtimehash: |
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450 addr = _hashaddress(self.baseaddress, self.hashstate.confighash) |
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451 insts.append('unlink %s' % addr) |
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452 # mtimehash is empty if one or more extensions fail to load. |
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453 # to be compatible with hg, still serve the client this time. |
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454 if self.hashstate.mtimehash: |
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455 insts.append('reconnect') |
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456 if newhash.confighash != self.hashstate.confighash: |
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457 addr = _hashaddress(self.baseaddress, newhash.confighash) |
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458 insts.append('redirect %s' % addr) |
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459 _log('validate: %s\n' % insts) |
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460 self.cresult.write('\0'.join(insts) or '\0') |
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461 |
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462 def chdir(self): |
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463 """Change current directory |
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464 |
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465 Note that the behavior of --cwd option is bit different from this. |
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466 It does not affect --config parameter. |
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467 """ |
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468 path = self._readstr() |
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469 if not path: |
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470 return |
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471 _log('chdir to %r\n' % path) |
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472 os.chdir(path) |
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473 |
28159 | 474 def setumask(self): |
475 """Change umask""" | |
476 mask = struct.unpack('>I', self._read(4))[0] | |
477 _log('setumask %r\n' % mask) | |
478 os.umask(mask) | |
479 | |
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480 def getpager(self): |
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481 """Read cmdargs and write pager command to r-channel if enabled |
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482 |
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483 If pager isn't enabled, this writes '\0' because channeledoutput |
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484 does not allow to write empty data. |
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485 """ |
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486 args = self._readlist() |
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487 try: |
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488 cmd, _func, args, options, _cmdoptions = dispatch._parse(self.ui, |
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489 args) |
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490 except (error.Abort, error.AmbiguousCommand, error.CommandError, |
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491 error.UnknownCommand): |
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492 cmd = None |
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493 options = {} |
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494 if not cmd or 'pager' not in options: |
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495 self.cresult.write('\0') |
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496 return |
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497 |
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498 pagercmd = _setuppagercmd(self.ui, options, cmd) |
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499 if pagercmd: |
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500 self.cresult.write(pagercmd) |
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501 else: |
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502 self.cresult.write('\0') |
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503 |
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504 def setenv(self): |
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505 """Clear and update os.environ |
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506 |
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507 Note that not all variables can make an effect on the running process. |
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508 """ |
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509 l = self._readlist() |
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510 try: |
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511 newenv = dict(s.split('=', 1) for s in l) |
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512 except ValueError: |
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513 raise ValueError('unexpected value in setenv request') |
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514 _log('setenv: %r\n' % sorted(newenv.keys())) |
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515 os.environ.clear() |
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516 os.environ.update(newenv) |
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517 |
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518 capabilities = commandserver.server.capabilities.copy() |
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519 capabilities.update({'attachio': attachio, |
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520 'chdir': chdir, |
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521 'getpager': getpager, |
28159 | 522 'setenv': setenv, |
523 'setumask': setumask}) | |
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524 |
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525 # copied from mercurial/commandserver.py |
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526 class _requesthandler(SocketServer.StreamRequestHandler): |
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527 def handle(self): |
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528 # use a different process group from the master process, making this |
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529 # process pass kernel "is_current_pgrp_orphaned" check so signals like |
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530 # SIGTSTP, SIGTTIN, SIGTTOU are not ignored. |
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531 os.setpgid(0, 0) |
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532 # change random state otherwise forked request handlers would have a |
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533 # same state inherited from parent. |
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534 random.seed() |
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535 ui = self.server.ui |
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536 repo = self.server.repo |
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537 sv = None |
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538 try: |
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539 sv = chgcmdserver(ui, repo, self.rfile, self.wfile, self.connection, |
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540 self.server.hashstate, self.server.baseaddress) |
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541 try: |
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542 sv.serve() |
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543 # handle exceptions that may be raised by command server. most of |
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544 # known exceptions are caught by dispatch. |
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545 except error.Abort as inst: |
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546 ui.warn(_('abort: %s\n') % inst) |
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547 except IOError as inst: |
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548 if inst.errno != errno.EPIPE: |
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549 raise |
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550 except KeyboardInterrupt: |
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551 pass |
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552 finally: |
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553 sv.cleanup() |
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554 except: # re-raises |
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555 # also write traceback to error channel. otherwise client cannot |
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556 # see it because it is written to server's stderr by default. |
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557 if sv: |
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558 cerr = sv.cerr |
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559 else: |
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560 cerr = commandserver.channeledoutput(self.wfile, 'e') |
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561 traceback.print_exc(file=cerr) |
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562 raise |
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563 finally: |
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564 # trigger __del__ since ForkingMixIn uses os._exit |
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565 gc.collect() |
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566 |
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567 def _tempaddress(address): |
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568 return '%s.%d.tmp' % (address, os.getpid()) |
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569 |
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570 def _hashaddress(address, hashstr): |
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571 return '%s-%s' % (address, hashstr) |
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572 |
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573 class AutoExitMixIn: # use old-style to comply with SocketServer design |
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574 lastactive = time.time() |
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575 idletimeout = 3600 # default 1 hour |
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576 |
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577 def startautoexitthread(self): |
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578 # note: the auto-exit check here is cheap enough to not use a thread, |
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579 # be done in serve_forever. however SocketServer is hook-unfriendly, |
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580 # you simply cannot hook serve_forever without copying a lot of code. |
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581 # besides, serve_forever's docstring suggests using thread. |
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582 thread = threading.Thread(target=self._autoexitloop) |
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583 thread.daemon = True |
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584 thread.start() |
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585 |
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586 def _autoexitloop(self, interval=1): |
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587 while True: |
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588 time.sleep(interval) |
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589 if not self.issocketowner(): |
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590 _log('%s is not owned, exiting.\n' % self.server_address) |
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591 break |
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592 if time.time() - self.lastactive > self.idletimeout: |
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593 _log('being idle too long. exiting.\n') |
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594 break |
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595 self.shutdown() |
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|
596 |
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597 def process_request(self, request, address): |
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598 self.lastactive = time.time() |
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599 return SocketServer.ForkingMixIn.process_request( |
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600 self, request, address) |
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601 |
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|
602 def server_bind(self): |
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603 # use a unique temp address so we can stat the file and do ownership |
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604 # check later |
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|
605 tempaddress = _tempaddress(self.server_address) |
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606 # use relative path instead of full path at bind() if possible, since |
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|
607 # AF_UNIX path has very small length limit (107 chars) on common |
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608 # platforms (see sys/un.h) |
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609 dirname, basename = os.path.split(tempaddress) |
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610 bakwdfd = None |
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|
611 if dirname: |
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|
612 bakwdfd = os.open('.', os.O_DIRECTORY) |
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613 os.chdir(dirname) |
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|
614 self.socket.bind(basename) |
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615 self._socketstat = os.stat(basename) |
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|
616 # rename will replace the old socket file if exists atomically. the |
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617 # old server will detect ownership change and exit. |
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618 util.rename(basename, self.server_address) |
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|
619 if bakwdfd: |
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620 os.fchdir(bakwdfd) |
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|
621 os.close(bakwdfd) |
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622 |
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623 def issocketowner(self): |
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624 try: |
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|
625 stat = os.stat(self.server_address) |
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626 return (stat.st_ino == self._socketstat.st_ino and |
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627 stat.st_mtime == self._socketstat.st_mtime) |
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628 except OSError: |
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|
629 return False |
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|
630 |
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|
631 def unlinksocketfile(self): |
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|
632 if not self.issocketowner(): |
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|
633 return |
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|
634 # it is possible to have a race condition here that we may |
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|
635 # remove another server's socket file. but that's okay |
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636 # since that server will detect and exit automatically and |
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637 # the client will start a new server on demand. |
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638 try: |
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639 os.unlink(self.server_address) |
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640 except OSError as exc: |
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641 if exc.errno != errno.ENOENT: |
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642 raise |
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643 |
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644 class chgunixservice(commandserver.unixservice): |
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645 def init(self): |
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646 if self.repo: |
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647 # one chgserver can serve multiple repos. drop repo infomation |
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648 self.ui.setconfig('bundle', 'mainreporoot', '', 'repo') |
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649 self.repo = None |
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650 self._inithashstate() |
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651 self._checkextensions() |
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652 class cls(AutoExitMixIn, SocketServer.ForkingMixIn, |
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653 SocketServer.UnixStreamServer): |
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654 ui = self.ui |
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655 repo = self.repo |
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656 hashstate = self.hashstate |
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657 baseaddress = self.baseaddress |
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658 self.server = cls(self.address, _requesthandler) |
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659 self.server.idletimeout = self.ui.configint( |
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660 'chgserver', 'idletimeout', self.server.idletimeout) |
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661 self.server.startautoexitthread() |
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662 self._createsymlink() |
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663 |
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664 def _inithashstate(self): |
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665 self.baseaddress = self.address |
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666 if self.ui.configbool('chgserver', 'skiphash', False): |
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667 self.hashstate = None |
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668 return |
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669 self.hashstate = hashstate.fromui(self.ui) |
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670 self.address = _hashaddress(self.address, self.hashstate.confighash) |
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671 |
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672 def _checkextensions(self): |
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673 if not self.hashstate: |
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674 return |
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675 if extensions.notloaded(): |
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676 # one or more extensions failed to load. mtimehash becomes |
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677 # meaningless because we do not know the paths of those extensions. |
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678 # set mtimehash to an illegal hash value to invalidate the server. |
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679 self.hashstate.mtimehash = '' |
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680 |
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681 def _createsymlink(self): |
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682 if self.baseaddress == self.address: |
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683 return |
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684 tempaddress = _tempaddress(self.baseaddress) |
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685 os.symlink(os.path.basename(self.address), tempaddress) |
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686 util.rename(tempaddress, self.baseaddress) |
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687 |
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688 def run(self): |
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689 try: |
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690 self.server.serve_forever() |
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691 finally: |
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692 self.server.unlinksocketfile() |
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693 |
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694 def uisetup(ui): |
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695 commandserver._servicemap['chgunix'] = chgunixservice |
28261 | 696 |
697 # CHGINTERNALMARK is temporarily set by chg client to detect if chg will | |
698 # start another chg. drop it to avoid possible side effects. | |
699 if 'CHGINTERNALMARK' in os.environ: | |
700 del os.environ['CHGINTERNALMARK'] |