Mercurial > hg
annotate mercurial/chgserver.py @ 36160:9fd8c2a3db5a
narrowspec: move module into core
Having support for parsing the narrow specification in core is
necessary for moving many other parts of narrow to core.
We do still want to harmonize the narrow spec with the sparse
spec. And the format needs to be documented. But this shouldn't
hold up the code moving to core.
Differential Revision: https://phab.mercurial-scm.org/D2201
author | Gregory Szorc <gregory.szorc@gmail.com> |
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date | Mon, 12 Feb 2018 16:21:34 -0800 |
parents | 72b91f905065 |
children | ffa3026d4196 |
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 |
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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 'setenv' command |
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20 replace os.environ completely |
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21 |
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23 set umask | |
24 | |
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25 'validate' command |
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26 reload the config and check if the server is up to date |
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27 |
28325 | 28 Config |
29 ------ | |
30 | |
31 :: | |
32 | |
33 [chgserver] | |
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34 # how long (in seconds) should an idle chg server exit |
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35 idletimeout = 3600 |
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36 |
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37 # whether to skip config or env change checks |
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38 skiphash = False |
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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 hashlib |
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44 import inspect |
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45 import os |
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46 import re |
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47 import socket |
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48 import struct |
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49 import time |
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50 |
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51 from .i18n import _ |
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52 |
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53 from . import ( |
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54 commandserver, |
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55 encoding, |
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56 error, |
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57 extensions, |
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58 node, |
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59 pycompat, |
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60 util, |
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61 ) |
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62 |
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63 _log = commandserver.log |
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64 |
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65 def _hashlist(items): |
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66 """return sha1 hexdigest for a list""" |
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67 return node.hex(hashlib.sha1(str(items)).digest()) |
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68 |
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69 # sensitive config sections affecting confighash |
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70 _configsections = [ |
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71 'alias', # affects global state commands.table |
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72 'eol', # uses setconfig('eol', ...) |
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73 'extdiff', # uisetup will register new commands |
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74 'extensions', |
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75 ] |
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76 |
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77 _configsectionitems = [ |
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78 ('commands', 'show.aliasprefix'), # show.py reads it in extsetup |
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79 ] |
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80 |
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81 # sensitive environment variables affecting confighash |
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82 _envre = re.compile(r'''\A(?: |
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83 CHGHG |
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84 |HG(?:DEMANDIMPORT|EMITWARNINGS|MODULEPOLICY|PROF|RCPATH)? |
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85 |HG(?:ENCODING|PLAIN).* |
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86 |LANG(?:UAGE)? |
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87 |LC_.* |
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88 |LD_.* |
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89 |PATH |
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90 |PYTHON.* |
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91 |TERM(?:INFO)? |
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92 |TZ |
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93 )\Z''', re.X) |
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94 |
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95 def _confighash(ui): |
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96 """return a quick hash for detecting config/env changes |
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97 |
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98 confighash is the hash of sensitive config items and environment variables. |
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99 |
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100 for chgserver, it is designed that once confighash changes, the server is |
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101 not qualified to serve its client and should redirect the client to a new |
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102 server. different from mtimehash, confighash change will not mark the |
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103 server outdated and exit since the user can have different configs at the |
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104 same time. |
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105 """ |
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106 sectionitems = [] |
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107 for section in _configsections: |
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108 sectionitems.append(ui.configitems(section)) |
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109 for section, item in _configsectionitems: |
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110 sectionitems.append(ui.config(section, item)) |
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111 sectionhash = _hashlist(sectionitems) |
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112 # If $CHGHG is set, the change to $HG should not trigger a new chg server |
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113 if 'CHGHG' in encoding.environ: |
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114 ignored = {'HG'} |
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115 else: |
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116 ignored = set() |
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117 envitems = [(k, v) for k, v in encoding.environ.iteritems() |
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118 if _envre.match(k) and k not in ignored] |
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119 envhash = _hashlist(sorted(envitems)) |
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120 return sectionhash[:6] + envhash[:6] |
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121 |
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122 def _getmtimepaths(ui): |
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123 """get a list of paths that should be checked to detect change |
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124 |
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125 The list will include: |
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126 - extensions (will not cover all files for complex extensions) |
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127 - mercurial/__version__.py |
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128 - python binary |
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129 """ |
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130 modules = [m for n, m in extensions.extensions(ui)] |
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131 try: |
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132 from . import __version__ |
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133 modules.append(__version__) |
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134 except ImportError: |
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135 pass |
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136 files = [pycompat.sysexecutable] |
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137 for m in modules: |
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138 try: |
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139 files.append(inspect.getabsfile(m)) |
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140 except TypeError: |
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141 pass |
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142 return sorted(set(files)) |
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143 |
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144 def _mtimehash(paths): |
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145 """return a quick hash for detecting file changes |
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146 |
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147 mtimehash calls stat on given paths and calculate a hash based on size and |
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148 mtime of each file. mtimehash does not read file content because reading is |
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149 expensive. therefore it's not 100% reliable for detecting content changes. |
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150 it's possible to return different hashes for same file contents. |
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151 it's also possible to return a same hash for different file contents for |
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152 some carefully crafted situation. |
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153 |
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154 for chgserver, it is designed that once mtimehash changes, the server is |
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155 considered outdated immediately and should no longer provide service. |
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156 |
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157 mtimehash is not included in confighash because we only know the paths of |
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158 extensions after importing them (there is imp.find_module but that faces |
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159 race conditions). We need to calculate confighash without importing. |
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160 """ |
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161 def trystat(path): |
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162 try: |
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163 st = os.stat(path) |
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164 return (st.st_mtime, st.st_size) |
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165 except OSError: |
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166 # could be ENOENT, EPERM etc. not fatal in any case |
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167 pass |
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168 return _hashlist(map(trystat, paths))[:12] |
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169 |
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170 class hashstate(object): |
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171 """a structure storing confighash, mtimehash, paths used for mtimehash""" |
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172 def __init__(self, confighash, mtimehash, mtimepaths): |
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173 self.confighash = confighash |
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174 self.mtimehash = mtimehash |
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175 self.mtimepaths = mtimepaths |
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176 |
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177 @staticmethod |
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178 def fromui(ui, mtimepaths=None): |
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179 if mtimepaths is None: |
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180 mtimepaths = _getmtimepaths(ui) |
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181 confighash = _confighash(ui) |
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182 mtimehash = _mtimehash(mtimepaths) |
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183 _log('confighash = %s mtimehash = %s\n' % (confighash, mtimehash)) |
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184 return hashstate(confighash, mtimehash, mtimepaths) |
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185 |
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186 def _newchgui(srcui, csystem, attachio): |
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187 class chgui(srcui.__class__): |
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188 def __init__(self, src=None): |
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189 super(chgui, self).__init__(src) |
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190 if src: |
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191 self._csystem = getattr(src, '_csystem', csystem) |
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192 else: |
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193 self._csystem = csystem |
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194 |
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195 def _runsystem(self, cmd, environ, cwd, out): |
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196 # fallback to the original system method if the output needs to be |
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197 # captured (to self._buffers), or the output stream is not stdout |
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198 # (e.g. stderr, cStringIO), because the chg client is not aware of |
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199 # these situations and will behave differently (write to stdout). |
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200 if (out is not self.fout |
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201 or not util.safehasattr(self.fout, 'fileno') |
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202 or self.fout.fileno() != util.stdout.fileno()): |
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203 return util.system(cmd, environ=environ, cwd=cwd, out=out) |
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204 self.flush() |
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205 return self._csystem(cmd, util.shellenviron(environ), cwd) |
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206 |
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207 def _runpager(self, cmd, env=None): |
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208 self._csystem(cmd, util.shellenviron(env), type='pager', |
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209 cmdtable={'attachio': attachio}) |
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210 return True |
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211 |
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212 return chgui(srcui) |
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213 |
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214 def _loadnewui(srcui, args): |
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215 from . import dispatch # avoid cycle |
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216 |
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217 newui = srcui.__class__.load() |
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218 for a in ['fin', 'fout', 'ferr', 'environ']: |
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219 setattr(newui, a, getattr(srcui, a)) |
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220 if util.safehasattr(srcui, '_csystem'): |
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221 newui._csystem = srcui._csystem |
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222 |
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223 # command line args |
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224 options = dispatch._earlyparseopts(newui, args) |
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225 dispatch._parseconfig(newui, options['config']) |
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226 |
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227 # stolen from tortoisehg.util.copydynamicconfig() |
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228 for section, name, value in srcui.walkconfig(): |
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229 source = srcui.configsource(section, name) |
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230 if ':' in source or source == '--config' or source.startswith('$'): |
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231 # path:line or command line, or environ |
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232 continue |
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233 newui.setconfig(section, name, value, source) |
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234 |
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235 # load wd and repo config, copied from dispatch.py |
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236 cwd = options['cwd'] |
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237 cwd = cwd and os.path.realpath(cwd) or None |
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238 rpath = options['repository'] |
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239 path, newlui = dispatch._getlocal(newui, rpath, wd=cwd) |
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240 |
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241 return (newui, newlui) |
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242 |
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243 class channeledsystem(object): |
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244 """Propagate ui.system() request in the following format: |
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245 |
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246 payload length (unsigned int), |
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247 type, '\0', |
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248 cmd, '\0', |
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249 cwd, '\0', |
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250 envkey, '=', val, '\0', |
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251 ... |
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252 envkey, '=', val |
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253 |
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254 if type == 'system', waits for: |
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255 |
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256 exitcode length (unsigned int), |
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257 exitcode (int) |
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258 |
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259 if type == 'pager', repetitively waits for a command name ending with '\n' |
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260 and executes it defined by cmdtable, or exits the loop if the command name |
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261 is empty. |
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262 """ |
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263 def __init__(self, in_, out, channel): |
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264 self.in_ = in_ |
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265 self.out = out |
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266 self.channel = channel |
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267 |
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268 def __call__(self, cmd, environ, cwd=None, type='system', cmdtable=None): |
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269 args = [type, util.quotecommand(cmd), os.path.abspath(cwd or '.')] |
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270 args.extend('%s=%s' % (k, v) for k, v in environ.iteritems()) |
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271 data = '\0'.join(args) |
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272 self.out.write(struct.pack('>cI', self.channel, len(data))) |
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273 self.out.write(data) |
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274 self.out.flush() |
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275 |
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276 if type == 'system': |
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277 length = self.in_.read(4) |
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278 length, = struct.unpack('>I', length) |
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279 if length != 4: |
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280 raise error.Abort(_('invalid response')) |
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281 rc, = struct.unpack('>i', self.in_.read(4)) |
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282 return rc |
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283 elif type == 'pager': |
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284 while True: |
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285 cmd = self.in_.readline()[:-1] |
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286 if not cmd: |
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287 break |
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288 if cmdtable and cmd in cmdtable: |
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289 _log('pager subcommand: %s' % cmd) |
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290 cmdtable[cmd]() |
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291 else: |
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292 raise error.Abort(_('unexpected command: %s') % cmd) |
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293 else: |
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294 raise error.ProgrammingError('invalid S channel type: %s' % type) |
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295 |
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296 _iochannels = [ |
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297 # server.ch, ui.fp, mode |
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298 ('cin', 'fin', pycompat.sysstr('rb')), |
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299 ('cout', 'fout', pycompat.sysstr('wb')), |
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300 ('cerr', 'ferr', pycompat.sysstr('wb')), |
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301 ] |
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302 |
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303 class chgcmdserver(commandserver.server): |
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304 def __init__(self, ui, repo, fin, fout, sock, hashstate, baseaddress): |
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305 super(chgcmdserver, self).__init__( |
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306 _newchgui(ui, channeledsystem(fin, fout, 'S'), self.attachio), |
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307 repo, fin, fout) |
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308 self.clientsock = sock |
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309 self._oldios = [] # original (self.ch, ui.fp, fd) before "attachio" |
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310 self.hashstate = hashstate |
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311 self.baseaddress = baseaddress |
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312 if hashstate is not None: |
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313 self.capabilities = self.capabilities.copy() |
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314 self.capabilities['validate'] = chgcmdserver.validate |
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315 |
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316 def cleanup(self): |
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317 super(chgcmdserver, self).cleanup() |
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318 # dispatch._runcatch() does not flush outputs if exception is not |
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319 # handled by dispatch._dispatch() |
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320 self.ui.flush() |
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321 self._restoreio() |
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322 |
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323 def attachio(self): |
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324 """Attach to client's stdio passed via unix domain socket; all |
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325 channels except cresult will no longer be used |
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326 """ |
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327 # tell client to sendmsg() with 1-byte payload, which makes it |
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328 # distinctive from "attachio\n" command consumed by client.read() |
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329 self.clientsock.sendall(struct.pack('>cI', 'I', 1)) |
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330 clientfds = util.recvfds(self.clientsock.fileno()) |
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331 _log('received fds: %r\n' % clientfds) |
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332 |
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333 ui = self.ui |
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334 ui.flush() |
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335 first = self._saveio() |
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336 for fd, (cn, fn, mode) in zip(clientfds, _iochannels): |
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337 assert fd > 0 |
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338 fp = getattr(ui, fn) |
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339 os.dup2(fd, fp.fileno()) |
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340 os.close(fd) |
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341 if not first: |
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342 continue |
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343 # reset buffering mode when client is first attached. as we want |
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344 # to see output immediately on pager, the mode stays unchanged |
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345 # when client re-attached. ferr is unchanged because it should |
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346 # be unbuffered no matter if it is a tty or not. |
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347 if fn == 'ferr': |
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348 newfp = fp |
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349 else: |
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350 # make it line buffered explicitly because the default is |
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351 # decided on first write(), where fout could be a pager. |
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352 if fp.isatty(): |
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353 bufsize = 1 # line buffered |
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354 else: |
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355 bufsize = -1 # system default |
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356 newfp = os.fdopen(fp.fileno(), mode, bufsize) |
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357 setattr(ui, fn, newfp) |
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358 setattr(self, cn, newfp) |
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359 |
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360 self.cresult.write(struct.pack('>i', len(clientfds))) |
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361 |
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362 def _saveio(self): |
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363 if self._oldios: |
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364 return False |
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365 ui = self.ui |
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366 for cn, fn, _mode in _iochannels: |
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367 ch = getattr(self, cn) |
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368 fp = getattr(ui, fn) |
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369 fd = os.dup(fp.fileno()) |
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370 self._oldios.append((ch, fp, fd)) |
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371 return True |
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372 |
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373 def _restoreio(self): |
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374 ui = self.ui |
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375 for (ch, fp, fd), (cn, fn, _mode) in zip(self._oldios, _iochannels): |
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376 newfp = getattr(ui, fn) |
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377 # close newfp while it's associated with client; otherwise it |
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378 # would be closed when newfp is deleted |
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379 if newfp is not fp: |
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380 newfp.close() |
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381 # restore original fd: fp is open again |
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382 os.dup2(fd, fp.fileno()) |
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383 os.close(fd) |
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384 setattr(self, cn, ch) |
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385 setattr(ui, fn, fp) |
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386 del self._oldios[:] |
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387 |
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388 def validate(self): |
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389 """Reload the config and check if the server is up to date |
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390 |
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391 Read a list of '\0' separated arguments. |
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392 Write a non-empty list of '\0' separated instruction strings or '\0' |
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393 if the list is empty. |
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394 An instruction string could be either: |
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395 - "unlink $path", the client should unlink the path to stop the |
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396 outdated server. |
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397 - "redirect $path", the client should attempt to connect to $path |
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398 first. If it does not work, start a new server. It implies |
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399 "reconnect". |
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400 - "exit $n", the client should exit directly with code n. |
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401 This may happen if we cannot parse the config. |
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402 - "reconnect", the client should close the connection and |
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403 reconnect. |
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404 If neither "reconnect" nor "redirect" is included in the instruction |
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405 list, the client can continue with this server after completing all |
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406 the instructions. |
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407 """ |
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408 from . import dispatch # avoid cycle |
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409 |
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410 args = self._readlist() |
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411 try: |
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412 self.ui, lui = _loadnewui(self.ui, args) |
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413 except error.ParseError as inst: |
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414 dispatch._formatparse(self.ui.warn, inst) |
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415 self.ui.flush() |
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416 self.cresult.write('exit 255') |
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417 return |
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418 newhash = hashstate.fromui(lui, self.hashstate.mtimepaths) |
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419 insts = [] |
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420 if newhash.mtimehash != self.hashstate.mtimehash: |
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421 addr = _hashaddress(self.baseaddress, self.hashstate.confighash) |
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422 insts.append('unlink %s' % addr) |
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423 # mtimehash is empty if one or more extensions fail to load. |
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424 # to be compatible with hg, still serve the client this time. |
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425 if self.hashstate.mtimehash: |
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426 insts.append('reconnect') |
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427 if newhash.confighash != self.hashstate.confighash: |
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428 addr = _hashaddress(self.baseaddress, newhash.confighash) |
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429 insts.append('redirect %s' % addr) |
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430 _log('validate: %s\n' % insts) |
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431 self.cresult.write('\0'.join(insts) or '\0') |
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432 |
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433 def chdir(self): |
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434 """Change current directory |
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435 |
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436 Note that the behavior of --cwd option is bit different from this. |
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437 It does not affect --config parameter. |
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438 """ |
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439 path = self._readstr() |
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440 if not path: |
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441 return |
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442 _log('chdir to %r\n' % path) |
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443 os.chdir(path) |
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444 |
28159 | 445 def setumask(self): |
446 """Change umask""" | |
447 mask = struct.unpack('>I', self._read(4))[0] | |
448 _log('setumask %r\n' % mask) | |
449 os.umask(mask) | |
450 | |
30644 | 451 def runcommand(self): |
452 return super(chgcmdserver, self).runcommand() | |
453 | |
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454 def setenv(self): |
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455 """Clear and update os.environ |
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456 |
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457 Note that not all variables can make an effect on the running process. |
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458 """ |
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459 l = self._readlist() |
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460 try: |
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461 newenv = dict(s.split('=', 1) for s in l) |
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462 except ValueError: |
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463 raise ValueError('unexpected value in setenv request') |
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464 _log('setenv: %r\n' % sorted(newenv.keys())) |
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465 encoding.environ.clear() |
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466 encoding.environ.update(newenv) |
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467 |
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468 capabilities = commandserver.server.capabilities.copy() |
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469 capabilities.update({'attachio': attachio, |
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470 'chdir': chdir, |
30644 | 471 'runcommand': runcommand, |
28159 | 472 'setenv': setenv, |
473 'setumask': setumask}) | |
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474 |
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475 if util.safehasattr(util, 'setprocname'): |
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476 def setprocname(self): |
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477 """Change process title""" |
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478 name = self._readstr() |
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479 _log('setprocname: %r\n' % name) |
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480 util.setprocname(name) |
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481 capabilities['setprocname'] = setprocname |
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482 |
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483 def _tempaddress(address): |
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484 return '%s.%d.tmp' % (address, os.getpid()) |
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485 |
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486 def _hashaddress(address, hashstr): |
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487 # if the basename of address contains '.', use only the left part. this |
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488 # makes it possible for the client to pass 'server.tmp$PID' and follow by |
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489 # an atomic rename to avoid locking when spawning new servers. |
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490 dirname, basename = os.path.split(address) |
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491 basename = basename.split('.', 1)[0] |
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492 return '%s-%s' % (os.path.join(dirname, basename), hashstr) |
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493 |
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494 class chgunixservicehandler(object): |
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495 """Set of operations for chg services""" |
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496 |
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497 pollinterval = 1 # [sec] |
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498 |
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499 def __init__(self, ui): |
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500 self.ui = ui |
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501 self._idletimeout = ui.configint('chgserver', 'idletimeout') |
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502 self._lastactive = time.time() |
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503 |
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504 def bindsocket(self, sock, address): |
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505 self._inithashstate(address) |
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506 self._checkextensions() |
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507 self._bind(sock) |
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508 self._createsymlink() |
32237
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commandserver: move printbanner logic to bindsocket
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parents:
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|
509 # no "listening at" message should be printed to simulate hg behavior |
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|
510 |
29597
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511 def _inithashstate(self, address): |
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512 self._baseaddress = address |
33499
0407a51b9d8c
codemod: register core configitems using a script
Jun Wu <quark@fb.com>
parents:
32271
diff
changeset
|
513 if self.ui.configbool('chgserver', 'skiphash'): |
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514 self._hashstate = None |
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515 self._realaddress = address |
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516 return |
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517 self._hashstate = hashstate.fromui(self.ui) |
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518 self._realaddress = _hashaddress(address, self._hashstate.confighash) |
29545
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changeset
|
519 |
28aca3fafc2a
chgserver: reorder service classes to make future patches readable
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|
520 def _checkextensions(self): |
29598
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chgserver: rename private functions and variables of chgunixservicehandler
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521 if not self._hashstate: |
29545
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522 return |
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523 if extensions.notloaded(): |
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524 # one or more extensions failed to load. mtimehash becomes |
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525 # meaningless because we do not know the paths of those extensions. |
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|
526 # set mtimehash to an illegal hash value to invalidate the server. |
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527 self._hashstate.mtimehash = '' |
29545
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|
528 |
29547
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529 def _bind(self, sock): |
28223
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Jun Wu <quark@fb.com>
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diff
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|
530 # use a unique temp address so we can stat the file and do ownership |
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531 # check later |
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532 tempaddress = _tempaddress(self._realaddress) |
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|
533 util.bindunixsocket(sock, tempaddress) |
29529
02de1dbd4f6e
chgserver: narrow scope of chdir() to socket.bind()
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diff
changeset
|
534 self._socketstat = os.stat(tempaddress) |
32236
c8b9943c07eb
commandserver: move "listen" responsibility from service to handler
Jun Wu <quark@fb.com>
parents:
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diff
changeset
|
535 sock.listen(socket.SOMAXCONN) |
29529
02de1dbd4f6e
chgserver: narrow scope of chdir() to socket.bind()
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536 # rename will replace the old socket file if exists atomically. the |
02de1dbd4f6e
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537 # old server will detect ownership change and exit. |
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538 util.rename(tempaddress, self._realaddress) |
28223
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|
539 |
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diff
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|
540 def _createsymlink(self): |
29598
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541 if self._baseaddress == self._realaddress: |
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542 return |
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543 tempaddress = _tempaddress(self._baseaddress) |
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544 os.symlink(os.path.basename(self._realaddress), tempaddress) |
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|
545 util.rename(tempaddress, self._baseaddress) |
29596
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changeset
|
546 |
29598
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|
547 def _issocketowner(self): |
28223
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|
548 try: |
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|
549 stat = os.stat(self._realaddress) |
28223
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|
550 return (stat.st_ino == self._socketstat.st_ino and |
0a853dc9b306
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|
551 stat.st_mtime == self._socketstat.st_mtime) |
0a853dc9b306
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Jun Wu <quark@fb.com>
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|
552 except OSError: |
0a853dc9b306
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|
553 return False |
0a853dc9b306
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Jun Wu <quark@fb.com>
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diff
changeset
|
554 |
29547
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|
555 def unlinksocket(self, address): |
29598
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diff
changeset
|
556 if not self._issocketowner(): |
28223
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Jun Wu <quark@fb.com>
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diff
changeset
|
557 return |
0a853dc9b306
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diff
changeset
|
558 # it is possible to have a race condition here that we may |
0a853dc9b306
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Jun Wu <quark@fb.com>
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changeset
|
559 # remove another server's socket file. but that's okay |
0a853dc9b306
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Jun Wu <quark@fb.com>
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diff
changeset
|
560 # since that server will detect and exit automatically and |
0a853dc9b306
chgserver: auto exit after being idle for too long or lose the socket file
Jun Wu <quark@fb.com>
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diff
changeset
|
561 # the client will start a new server on demand. |
31545 | 562 util.tryunlink(self._realaddress) |
28223
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chgserver: auto exit after being idle for too long or lose the socket file
Jun Wu <quark@fb.com>
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diff
changeset
|
563 |
29596
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chgserver: reorder functions in chgunixservicehandler
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changeset
|
564 def shouldexit(self): |
29598
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diff
changeset
|
565 if not self._issocketowner(): |
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diff
changeset
|
566 self.ui.debug('%s is not owned, exiting.\n' % self._realaddress) |
29596
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chgserver: reorder functions in chgunixservicehandler
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diff
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|
567 return True |
29598
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diff
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|
568 if time.time() - self._lastactive > self._idletimeout: |
29596
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chgserver: reorder functions in chgunixservicehandler
Yuya Nishihara <yuya@tcha.org>
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diff
changeset
|
569 self.ui.debug('being idle too long. exiting.\n') |
71c197d82b7e
chgserver: reorder functions in chgunixservicehandler
Yuya Nishihara <yuya@tcha.org>
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|
570 return True |
71c197d82b7e
chgserver: reorder functions in chgunixservicehandler
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|
571 return False |
71c197d82b7e
chgserver: reorder functions in chgunixservicehandler
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diff
changeset
|
572 |
71c197d82b7e
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changeset
|
573 def newconnection(self): |
29598
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|
574 self._lastactive = time.time() |
29596
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chgserver: reorder functions in chgunixservicehandler
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diff
changeset
|
575 |
29547
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diff
changeset
|
576 def createcmdserver(self, repo, conn, fin, fout): |
300318b7d66d
chgserver: switch to new forking service
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diff
changeset
|
577 return chgcmdserver(self.ui, repo, fin, fout, conn, |
29598
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|
578 self._hashstate, self._baseaddress) |
28223
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diff
changeset
|
579 |
29546
a7513390a9db
chgserver: extract stub factory of service object
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parents:
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diff
changeset
|
580 def chgunixservice(ui, repo, opts): |
33860
3cfc9070245f
demandimport: disable if chg is being used
Jun Wu <quark@fb.com>
parents:
33499
diff
changeset
|
581 # CHGINTERNALMARK is set by chg client. It is an indication of things are |
3cfc9070245f
demandimport: disable if chg is being used
Jun Wu <quark@fb.com>
parents:
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diff
changeset
|
582 # started by chg so other code can do things accordingly, like disabling |
3cfc9070245f
demandimport: disable if chg is being used
Jun Wu <quark@fb.com>
parents:
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diff
changeset
|
583 # demandimport or detecting chg client started by chg client. When executed |
3cfc9070245f
demandimport: disable if chg is being used
Jun Wu <quark@fb.com>
parents:
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diff
changeset
|
584 # here, CHGINTERNALMARK is no longer useful and hence dropped to make |
3cfc9070245f
demandimport: disable if chg is being used
Jun Wu <quark@fb.com>
parents:
33499
diff
changeset
|
585 # environ cleaner. |
30635
a150173da1c1
py3: replace os.environ with encoding.environ (part 2 of 5)
Pulkit Goyal <7895pulkit@gmail.com>
parents:
30619
diff
changeset
|
586 if 'CHGINTERNALMARK' in encoding.environ: |
a150173da1c1
py3: replace os.environ with encoding.environ (part 2 of 5)
Pulkit Goyal <7895pulkit@gmail.com>
parents:
30619
diff
changeset
|
587 del encoding.environ['CHGINTERNALMARK'] |
30511
1873563e1ede
chgserver: drop CHGINTERNALMARK by chgunixservice()
Yuya Nishihara <yuya@tcha.org>
parents:
30507
diff
changeset
|
588 |
29546
a7513390a9db
chgserver: extract stub factory of service object
Yuya Nishihara <yuya@tcha.org>
parents:
29545
diff
changeset
|
589 if repo: |
30332
318a24b52eeb
spelling: fixes of non-dictionary words
Mads Kiilerich <madski@unity3d.com>
parents:
29841
diff
changeset
|
590 # one chgserver can serve multiple repos. drop repo information |
29546
a7513390a9db
chgserver: extract stub factory of service object
Yuya Nishihara <yuya@tcha.org>
parents:
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diff
changeset
|
591 ui.setconfig('bundle', 'mainreporoot', '', 'repo') |
29547
300318b7d66d
chgserver: switch to new forking service
Yuya Nishihara <yuya@tcha.org>
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diff
changeset
|
592 h = chgunixservicehandler(ui) |
300318b7d66d
chgserver: switch to new forking service
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diff
changeset
|
593 return commandserver.unixforkingservice(ui, repo=None, opts=opts, handler=h) |