annotate mercurial/chgserver.py @ 42760:9f2189b6bf2a

config: add experimental argument to the config registrar Until now, there are almost 28 config items which are considered as `experimental` but, not present in the `experimental` section of the registrar. This patch adds an `experimental` argument to the config registrar to mark such config items. Differential Revision: https://phab.mercurial-scm.org/D6728 Differential Revision: https://phab.mercurial-scm.org/D6746
author Navaneeth Suresh <navaneeths1998@gmail.com>
date Tue, 20 Aug 2019 18:35:16 +0300
parents 49998d5ba66a
children 0cbe17335857
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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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22 'setumask' command (DEPRECATED)
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23 'setumask2' command
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24 set umask
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25
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26 'validate' command
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27 reload the config and check if the server is up to date
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28
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29 Config
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30 ------
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31
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32 ::
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33
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34 [chgserver]
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35 # how long (in seconds) should an idle chg server exit
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36 idletimeout = 3600
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37
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38 # whether to skip config or env change checks
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39 skiphash = False
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40 """
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41
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42 from __future__ import absolute_import
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43
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44 import hashlib
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45 import inspect
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46 import os
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47 import re
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48 import socket
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49 import stat
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50 import struct
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51 import time
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52
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53 from .i18n import _
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54
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55 from . import (
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56 commandserver,
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57 encoding,
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58 error,
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59 extensions,
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60 node,
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61 pycompat,
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62 util,
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63 )
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64
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65 from .utils import (
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66 procutil,
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67 stringutil,
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68 )
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69
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70 def _hashlist(items):
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71 """return sha1 hexdigest for a list"""
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72 return node.hex(hashlib.sha1(stringutil.pprint(items)).digest())
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73
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74 # sensitive config sections affecting confighash
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75 _configsections = [
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76 'alias', # affects global state commands.table
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77 'eol', # uses setconfig('eol', ...)
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78 'extdiff', # uisetup will register new commands
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79 'extensions',
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80 ]
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81
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82 _configsectionitems = [
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83 ('commands', 'show.aliasprefix'), # show.py reads it in extsetup
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84 ]
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85
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86 # sensitive environment variables affecting confighash
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87 _envre = re.compile(br'''\A(?:
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88 CHGHG
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89 |HG(?:DEMANDIMPORT|EMITWARNINGS|MODULEPOLICY|PROF|RCPATH)?
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90 |HG(?:ENCODING|PLAIN).*
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91 |LANG(?:UAGE)?
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92 |LC_.*
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93 |LD_.*
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94 |PATH
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95 |PYTHON.*
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96 |TERM(?:INFO)?
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97 |TZ
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98 )\Z''', re.X)
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99
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100 def _confighash(ui):
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101 """return a quick hash for detecting config/env changes
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102
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103 confighash is the hash of sensitive config items and environment variables.
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104
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105 for chgserver, it is designed that once confighash changes, the server is
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106 not qualified to serve its client and should redirect the client to a new
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107 server. different from mtimehash, confighash change will not mark the
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108 server outdated and exit since the user can have different configs at the
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109 same time.
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110 """
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111 sectionitems = []
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112 for section in _configsections:
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113 sectionitems.append(ui.configitems(section))
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114 for section, item in _configsectionitems:
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115 sectionitems.append(ui.config(section, item))
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116 sectionhash = _hashlist(sectionitems)
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117 # If $CHGHG is set, the change to $HG should not trigger a new chg server
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118 if 'CHGHG' in encoding.environ:
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119 ignored = {'HG'}
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120 else:
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121 ignored = set()
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122 envitems = [(k, v) for k, v in encoding.environ.iteritems()
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123 if _envre.match(k) and k not in ignored]
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124 envhash = _hashlist(sorted(envitems))
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125 return sectionhash[:6] + envhash[:6]
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126
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127 def _getmtimepaths(ui):
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128 """get a list of paths that should be checked to detect change
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129
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130 The list will include:
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131 - extensions (will not cover all files for complex extensions)
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132 - mercurial/__version__.py
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133 - python binary
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134 """
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135 modules = [m for n, m in extensions.extensions(ui)]
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136 try:
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137 from . import __version__
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138 modules.append(__version__)
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139 except ImportError:
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140 pass
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141 files = []
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142 if pycompat.sysexecutable:
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143 files.append(pycompat.sysexecutable)
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144 for m in modules:
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145 try:
41816
78027e7bc544 py3: convert return values of inspect.getabsfile() to bytes
Pulkit Goyal <pulkit@yandex-team.ru>
parents: 41285
diff changeset
146 files.append(pycompat.fsencode(inspect.getabsfile(m)))
28276
b4ceadb2c439 chgserver: add utilities to calculate mtimehash
Jun Wu <quark@fb.com>
parents: 28264
diff changeset
147 except TypeError:
b4ceadb2c439 chgserver: add utilities to calculate mtimehash
Jun Wu <quark@fb.com>
parents: 28264
diff changeset
148 pass
b4ceadb2c439 chgserver: add utilities to calculate mtimehash
Jun Wu <quark@fb.com>
parents: 28264
diff changeset
149 return sorted(set(files))
b4ceadb2c439 chgserver: add utilities to calculate mtimehash
Jun Wu <quark@fb.com>
parents: 28264
diff changeset
150
b4ceadb2c439 chgserver: add utilities to calculate mtimehash
Jun Wu <quark@fb.com>
parents: 28264
diff changeset
151 def _mtimehash(paths):
b4ceadb2c439 chgserver: add utilities to calculate mtimehash
Jun Wu <quark@fb.com>
parents: 28264
diff changeset
152 """return a quick hash for detecting file changes
b4ceadb2c439 chgserver: add utilities to calculate mtimehash
Jun Wu <quark@fb.com>
parents: 28264
diff changeset
153
b4ceadb2c439 chgserver: add utilities to calculate mtimehash
Jun Wu <quark@fb.com>
parents: 28264
diff changeset
154 mtimehash calls stat on given paths and calculate a hash based on size and
b4ceadb2c439 chgserver: add utilities to calculate mtimehash
Jun Wu <quark@fb.com>
parents: 28264
diff changeset
155 mtime of each file. mtimehash does not read file content because reading is
b4ceadb2c439 chgserver: add utilities to calculate mtimehash
Jun Wu <quark@fb.com>
parents: 28264
diff changeset
156 expensive. therefore it's not 100% reliable for detecting content changes.
b4ceadb2c439 chgserver: add utilities to calculate mtimehash
Jun Wu <quark@fb.com>
parents: 28264
diff changeset
157 it's possible to return different hashes for same file contents.
b4ceadb2c439 chgserver: add utilities to calculate mtimehash
Jun Wu <quark@fb.com>
parents: 28264
diff changeset
158 it's also possible to return a same hash for different file contents for
b4ceadb2c439 chgserver: add utilities to calculate mtimehash
Jun Wu <quark@fb.com>
parents: 28264
diff changeset
159 some carefully crafted situation.
b4ceadb2c439 chgserver: add utilities to calculate mtimehash
Jun Wu <quark@fb.com>
parents: 28264
diff changeset
160
b4ceadb2c439 chgserver: add utilities to calculate mtimehash
Jun Wu <quark@fb.com>
parents: 28264
diff changeset
161 for chgserver, it is designed that once mtimehash changes, the server is
b4ceadb2c439 chgserver: add utilities to calculate mtimehash
Jun Wu <quark@fb.com>
parents: 28264
diff changeset
162 considered outdated immediately and should no longer provide service.
29462
71ed5a3ef8a9 chgserver: document why we don't merge mtimehash and confighash
Jun Wu <quark@fb.com>
parents: 29433
diff changeset
163
71ed5a3ef8a9 chgserver: document why we don't merge mtimehash and confighash
Jun Wu <quark@fb.com>
parents: 29433
diff changeset
164 mtimehash is not included in confighash because we only know the paths of
71ed5a3ef8a9 chgserver: document why we don't merge mtimehash and confighash
Jun Wu <quark@fb.com>
parents: 29433
diff changeset
165 extensions after importing them (there is imp.find_module but that faces
71ed5a3ef8a9 chgserver: document why we don't merge mtimehash and confighash
Jun Wu <quark@fb.com>
parents: 29433
diff changeset
166 race conditions). We need to calculate confighash without importing.
28276
b4ceadb2c439 chgserver: add utilities to calculate mtimehash
Jun Wu <quark@fb.com>
parents: 28264
diff changeset
167 """
b4ceadb2c439 chgserver: add utilities to calculate mtimehash
Jun Wu <quark@fb.com>
parents: 28264
diff changeset
168 def trystat(path):
b4ceadb2c439 chgserver: add utilities to calculate mtimehash
Jun Wu <quark@fb.com>
parents: 28264
diff changeset
169 try:
b4ceadb2c439 chgserver: add utilities to calculate mtimehash
Jun Wu <quark@fb.com>
parents: 28264
diff changeset
170 st = os.stat(path)
36781
ffa3026d4196 cleanup: use stat_result[stat.ST_MTIME] instead of stat_result.st_mtime
Augie Fackler <augie@google.com>
parents: 35582
diff changeset
171 return (st[stat.ST_MTIME], st.st_size)
28276
b4ceadb2c439 chgserver: add utilities to calculate mtimehash
Jun Wu <quark@fb.com>
parents: 28264
diff changeset
172 except OSError:
b4ceadb2c439 chgserver: add utilities to calculate mtimehash
Jun Wu <quark@fb.com>
parents: 28264
diff changeset
173 # could be ENOENT, EPERM etc. not fatal in any case
b4ceadb2c439 chgserver: add utilities to calculate mtimehash
Jun Wu <quark@fb.com>
parents: 28264
diff changeset
174 pass
b4ceadb2c439 chgserver: add utilities to calculate mtimehash
Jun Wu <quark@fb.com>
parents: 28264
diff changeset
175 return _hashlist(map(trystat, paths))[:12]
b4ceadb2c439 chgserver: add utilities to calculate mtimehash
Jun Wu <quark@fb.com>
parents: 28264
diff changeset
176
28277
cdc6319f6a7d chgserver: add a structure for confighash and mtimehash
Jun Wu <quark@fb.com>
parents: 28276
diff changeset
177 class hashstate(object):
cdc6319f6a7d chgserver: add a structure for confighash and mtimehash
Jun Wu <quark@fb.com>
parents: 28276
diff changeset
178 """a structure storing confighash, mtimehash, paths used for mtimehash"""
cdc6319f6a7d chgserver: add a structure for confighash and mtimehash
Jun Wu <quark@fb.com>
parents: 28276
diff changeset
179 def __init__(self, confighash, mtimehash, mtimepaths):
cdc6319f6a7d chgserver: add a structure for confighash and mtimehash
Jun Wu <quark@fb.com>
parents: 28276
diff changeset
180 self.confighash = confighash
cdc6319f6a7d chgserver: add a structure for confighash and mtimehash
Jun Wu <quark@fb.com>
parents: 28276
diff changeset
181 self.mtimehash = mtimehash
cdc6319f6a7d chgserver: add a structure for confighash and mtimehash
Jun Wu <quark@fb.com>
parents: 28276
diff changeset
182 self.mtimepaths = mtimepaths
cdc6319f6a7d chgserver: add a structure for confighash and mtimehash
Jun Wu <quark@fb.com>
parents: 28276
diff changeset
183
cdc6319f6a7d chgserver: add a structure for confighash and mtimehash
Jun Wu <quark@fb.com>
parents: 28276
diff changeset
184 @staticmethod
cdc6319f6a7d chgserver: add a structure for confighash and mtimehash
Jun Wu <quark@fb.com>
parents: 28276
diff changeset
185 def fromui(ui, mtimepaths=None):
cdc6319f6a7d chgserver: add a structure for confighash and mtimehash
Jun Wu <quark@fb.com>
parents: 28276
diff changeset
186 if mtimepaths is None:
cdc6319f6a7d chgserver: add a structure for confighash and mtimehash
Jun Wu <quark@fb.com>
parents: 28276
diff changeset
187 mtimepaths = _getmtimepaths(ui)
cdc6319f6a7d chgserver: add a structure for confighash and mtimehash
Jun Wu <quark@fb.com>
parents: 28276
diff changeset
188 confighash = _confighash(ui)
cdc6319f6a7d chgserver: add a structure for confighash and mtimehash
Jun Wu <quark@fb.com>
parents: 28276
diff changeset
189 mtimehash = _mtimehash(mtimepaths)
40825
eaabcb689747 commandserver: switch logging facility to ui.log() interface
Yuya Nishihara <yuya@tcha.org>
parents: 40824
diff changeset
190 ui.log('cmdserver', 'confighash = %s mtimehash = %s\n',
eaabcb689747 commandserver: switch logging facility to ui.log() interface
Yuya Nishihara <yuya@tcha.org>
parents: 40824
diff changeset
191 confighash, mtimehash)
28277
cdc6319f6a7d chgserver: add a structure for confighash and mtimehash
Jun Wu <quark@fb.com>
parents: 28276
diff changeset
192 return hashstate(confighash, mtimehash, mtimepaths)
cdc6319f6a7d chgserver: add a structure for confighash and mtimehash
Jun Wu <quark@fb.com>
parents: 28276
diff changeset
193
30740
493935e0327a chgserver: implement chgui._runpager
Jun Wu <quark@fb.com>
parents: 30739
diff changeset
194 def _newchgui(srcui, csystem, attachio):
27792
980957333cfa chgserver: import background server extension from cHg
Yuya Nishihara <yuya@tcha.org>
parents:
diff changeset
195 class chgui(srcui.__class__):
980957333cfa chgserver: import background server extension from cHg
Yuya Nishihara <yuya@tcha.org>
parents:
diff changeset
196 def __init__(self, src=None):
980957333cfa chgserver: import background server extension from cHg
Yuya Nishihara <yuya@tcha.org>
parents:
diff changeset
197 super(chgui, self).__init__(src)
980957333cfa chgserver: import background server extension from cHg
Yuya Nishihara <yuya@tcha.org>
parents:
diff changeset
198 if src:
980957333cfa chgserver: import background server extension from cHg
Yuya Nishihara <yuya@tcha.org>
parents:
diff changeset
199 self._csystem = getattr(src, '_csystem', csystem)
980957333cfa chgserver: import background server extension from cHg
Yuya Nishihara <yuya@tcha.org>
parents:
diff changeset
200 else:
980957333cfa chgserver: import background server extension from cHg
Yuya Nishihara <yuya@tcha.org>
parents:
diff changeset
201 self._csystem = csystem
980957333cfa chgserver: import background server extension from cHg
Yuya Nishihara <yuya@tcha.org>
parents:
diff changeset
202
31108
3f8f53190d6a chg: deduplicate error handling of ui.system()
Yuya Nishihara <yuya@tcha.org>
parents: 31107
diff changeset
203 def _runsystem(self, cmd, environ, cwd, out):
39808
1b9be0b26511 chgserver: update comment describing when to fall back to core _runsystem()
Yuya Nishihara <yuya@tcha.org>
parents: 37120
diff changeset
204 # fallback to the original system method if
1b9be0b26511 chgserver: update comment describing when to fall back to core _runsystem()
Yuya Nishihara <yuya@tcha.org>
parents: 37120
diff changeset
205 # a. the output stream is not stdout (e.g. stderr, cStringIO),
41285
cf8677cd7286 ui: proxy protect/restorestdio() calls to update internal flag
Yuya Nishihara <yuya@tcha.org>
parents: 40875
diff changeset
206 # b. or stdout is redirected by protectfinout(),
39808
1b9be0b26511 chgserver: update comment describing when to fall back to core _runsystem()
Yuya Nishihara <yuya@tcha.org>
parents: 37120
diff changeset
207 # because the chg client is not aware of these situations and
1b9be0b26511 chgserver: update comment describing when to fall back to core _runsystem()
Yuya Nishihara <yuya@tcha.org>
parents: 37120
diff changeset
208 # will behave differently (i.e. write to stdout).
31107
fbce78c58f1e chg: refactor ui.system() to be partly overridden
Yuya Nishihara <yuya@tcha.org>
parents: 30990
diff changeset
209 if (out is not self.fout
28586
82cee85d5274 chgserver: use old ui.system if fout is not stdout or needs to be captured
Jun Wu <quark@fb.com>
parents: 28553
diff changeset
210 or not util.safehasattr(self.fout, 'fileno')
39809
23a00bc90a3c chgserver: do not send system() back to client if stdio redirected (issue5992)
Yuya Nishihara <yuya@tcha.org>
parents: 39808
diff changeset
211 or self.fout.fileno() != procutil.stdout.fileno()
23a00bc90a3c chgserver: do not send system() back to client if stdio redirected (issue5992)
Yuya Nishihara <yuya@tcha.org>
parents: 39808
diff changeset
212 or self._finoutredirected):
37120
a8a902d7176e procutil: bulk-replace function calls to point to new module
Yuya Nishihara <yuya@tcha.org>
parents: 37119
diff changeset
213 return procutil.system(cmd, environ=environ, cwd=cwd, out=out)
27792
980957333cfa chgserver: import background server extension from cHg
Yuya Nishihara <yuya@tcha.org>
parents:
diff changeset
214 self.flush()
37120
a8a902d7176e procutil: bulk-replace function calls to point to new module
Yuya Nishihara <yuya@tcha.org>
parents: 37119
diff changeset
215 return self._csystem(cmd, procutil.shellenviron(environ), cwd)
27792
980957333cfa chgserver: import background server extension from cHg
Yuya Nishihara <yuya@tcha.org>
parents:
diff changeset
216
31954
e518192d6bac pager: set some environment variables if they're not set
Jun Wu <quark@fb.com>
parents: 31695
diff changeset
217 def _runpager(self, cmd, env=None):
37120
a8a902d7176e procutil: bulk-replace function calls to point to new module
Yuya Nishihara <yuya@tcha.org>
parents: 37119
diff changeset
218 self._csystem(cmd, procutil.shellenviron(env), type='pager',
30740
493935e0327a chgserver: implement chgui._runpager
Jun Wu <quark@fb.com>
parents: 30739
diff changeset
219 cmdtable={'attachio': attachio})
31690
2d11d278279a ui: defer setting pager related properties until the pager has spawned
Matt Harbison <matt_harbison@yahoo.com>
parents: 31545
diff changeset
220 return True
30740
493935e0327a chgserver: implement chgui._runpager
Jun Wu <quark@fb.com>
parents: 30739
diff changeset
221
27792
980957333cfa chgserver: import background server extension from cHg
Yuya Nishihara <yuya@tcha.org>
parents:
diff changeset
222 return chgui(srcui)
980957333cfa chgserver: import background server extension from cHg
Yuya Nishihara <yuya@tcha.org>
parents:
diff changeset
223
40824
82210d88d814 commandserver: install logger to record server events through canonical API
Yuya Nishihara <yuya@tcha.org>
parents: 40729
diff changeset
224 def _loadnewui(srcui, args, cdebug):
30513
ff7df4bb75de chgserver: make it a core module and drop extension flags
Yuya Nishihara <yuya@tcha.org>
parents: 30512
diff changeset
225 from . import dispatch # avoid cycle
30512
cc374292a561 chgserver: delay importing commands and dispatch modules
Yuya Nishihara <yuya@tcha.org>
parents: 30511
diff changeset
226
30572
cfb227016d01 chgserver: call "load" for new ui objects
Jun Wu <quark@fb.com>
parents: 30513
diff changeset
227 newui = srcui.__class__.load()
27792
980957333cfa chgserver: import background server extension from cHg
Yuya Nishihara <yuya@tcha.org>
parents:
diff changeset
228 for a in ['fin', 'fout', 'ferr', 'environ']:
980957333cfa chgserver: import background server extension from cHg
Yuya Nishihara <yuya@tcha.org>
parents:
diff changeset
229 setattr(newui, a, getattr(srcui, a))
980957333cfa chgserver: import background server extension from cHg
Yuya Nishihara <yuya@tcha.org>
parents:
diff changeset
230 if util.safehasattr(srcui, '_csystem'):
980957333cfa chgserver: import background server extension from cHg
Yuya Nishihara <yuya@tcha.org>
parents:
diff changeset
231 newui._csystem = srcui._csystem
28264
3682e201cce6 chgserver: make _renewui load repo and command line configs
Jun Wu <quark@fb.com>
parents: 28262
diff changeset
232
3682e201cce6 chgserver: make _renewui load repo and command line configs
Jun Wu <quark@fb.com>
parents: 28262
diff changeset
233 # command line args
35224
6e6d0a5b88e6 dispatch: replace _earlyreq*() with new fancyopts-based parser
Yuya Nishihara <yuya@tcha.org>
parents: 35170
diff changeset
234 options = dispatch._earlyparseopts(newui, args)
35170
c9740b69b9b7 dispatch: add HGPLAIN=+strictflags to restrict early parsing of global options
Yuya Nishihara <yuya@tcha.org>
parents: 35033
diff changeset
235 dispatch._parseconfig(newui, options['config'])
28264
3682e201cce6 chgserver: make _renewui load repo and command line configs
Jun Wu <quark@fb.com>
parents: 28262
diff changeset
236
27792
980957333cfa chgserver: import background server extension from cHg
Yuya Nishihara <yuya@tcha.org>
parents:
diff changeset
237 # stolen from tortoisehg.util.copydynamicconfig()
980957333cfa chgserver: import background server extension from cHg
Yuya Nishihara <yuya@tcha.org>
parents:
diff changeset
238 for section, name, value in srcui.walkconfig():
980957333cfa chgserver: import background server extension from cHg
Yuya Nishihara <yuya@tcha.org>
parents:
diff changeset
239 source = srcui.configsource(section, name)
31695
d73490957d61 chgserver: do not copy configs set by environment variables
Jun Wu <quark@fb.com>
parents: 31690
diff changeset
240 if ':' in source or source == '--config' or source.startswith('$'):
d73490957d61 chgserver: do not copy configs set by environment variables
Jun Wu <quark@fb.com>
parents: 31690
diff changeset
241 # path:line or command line, or environ
27792
980957333cfa chgserver: import background server extension from cHg
Yuya Nishihara <yuya@tcha.org>
parents:
diff changeset
242 continue
980957333cfa chgserver: import background server extension from cHg
Yuya Nishihara <yuya@tcha.org>
parents:
diff changeset
243 newui.setconfig(section, name, value, source)
28599
0e7a929754aa chgserver: use global ui instead of repo ui for dispatch.request.ui
Jun Wu <quark@fb.com>
parents: 28586
diff changeset
244
0e7a929754aa chgserver: use global ui instead of repo ui for dispatch.request.ui
Jun Wu <quark@fb.com>
parents: 28586
diff changeset
245 # load wd and repo config, copied from dispatch.py
35170
c9740b69b9b7 dispatch: add HGPLAIN=+strictflags to restrict early parsing of global options
Yuya Nishihara <yuya@tcha.org>
parents: 35033
diff changeset
246 cwd = options['cwd']
c9740b69b9b7 dispatch: add HGPLAIN=+strictflags to restrict early parsing of global options
Yuya Nishihara <yuya@tcha.org>
parents: 35033
diff changeset
247 cwd = cwd and os.path.realpath(cwd) or None
c9740b69b9b7 dispatch: add HGPLAIN=+strictflags to restrict early parsing of global options
Yuya Nishihara <yuya@tcha.org>
parents: 35033
diff changeset
248 rpath = options['repository']
28599
0e7a929754aa chgserver: use global ui instead of repo ui for dispatch.request.ui
Jun Wu <quark@fb.com>
parents: 28586
diff changeset
249 path, newlui = dispatch._getlocal(newui, rpath, wd=cwd)
0e7a929754aa chgserver: use global ui instead of repo ui for dispatch.request.ui
Jun Wu <quark@fb.com>
parents: 28586
diff changeset
250
40729
c93d046d4300 extensions: add "uipopulate" hook, called per instance, not per process
Yuya Nishihara <yuya@tcha.org>
parents: 40110
diff changeset
251 extensions.populateui(newui)
40824
82210d88d814 commandserver: install logger to record server events through canonical API
Yuya Nishihara <yuya@tcha.org>
parents: 40729
diff changeset
252 commandserver.setuplogging(newui, fp=cdebug)
40729
c93d046d4300 extensions: add "uipopulate" hook, called per instance, not per process
Yuya Nishihara <yuya@tcha.org>
parents: 40110
diff changeset
253 if newui is not newlui:
c93d046d4300 extensions: add "uipopulate" hook, called per instance, not per process
Yuya Nishihara <yuya@tcha.org>
parents: 40110
diff changeset
254 extensions.populateui(newlui)
40824
82210d88d814 commandserver: install logger to record server events through canonical API
Yuya Nishihara <yuya@tcha.org>
parents: 40729
diff changeset
255 commandserver.setuplogging(newlui, fp=cdebug)
40729
c93d046d4300 extensions: add "uipopulate" hook, called per instance, not per process
Yuya Nishihara <yuya@tcha.org>
parents: 40110
diff changeset
256
28599
0e7a929754aa chgserver: use global ui instead of repo ui for dispatch.request.ui
Jun Wu <quark@fb.com>
parents: 28586
diff changeset
257 return (newui, newlui)
27792
980957333cfa chgserver: import background server extension from cHg
Yuya Nishihara <yuya@tcha.org>
parents:
diff changeset
258
980957333cfa chgserver: import background server extension from cHg
Yuya Nishihara <yuya@tcha.org>
parents:
diff changeset
259 class channeledsystem(object):
980957333cfa chgserver: import background server extension from cHg
Yuya Nishihara <yuya@tcha.org>
parents:
diff changeset
260 """Propagate ui.system() request in the following format:
980957333cfa chgserver: import background server extension from cHg
Yuya Nishihara <yuya@tcha.org>
parents:
diff changeset
261
980957333cfa chgserver: import background server extension from cHg
Yuya Nishihara <yuya@tcha.org>
parents:
diff changeset
262 payload length (unsigned int),
30726
dd897eb1699e chg: send type information via S channel (BC)
Jun Wu <quark@fb.com>
parents: 30669
diff changeset
263 type, '\0',
27792
980957333cfa chgserver: import background server extension from cHg
Yuya Nishihara <yuya@tcha.org>
parents:
diff changeset
264 cmd, '\0',
980957333cfa chgserver: import background server extension from cHg
Yuya Nishihara <yuya@tcha.org>
parents:
diff changeset
265 cwd, '\0',
980957333cfa chgserver: import background server extension from cHg
Yuya Nishihara <yuya@tcha.org>
parents:
diff changeset
266 envkey, '=', val, '\0',
980957333cfa chgserver: import background server extension from cHg
Yuya Nishihara <yuya@tcha.org>
parents:
diff changeset
267 ...
980957333cfa chgserver: import background server extension from cHg
Yuya Nishihara <yuya@tcha.org>
parents:
diff changeset
268 envkey, '=', val
980957333cfa chgserver: import background server extension from cHg
Yuya Nishihara <yuya@tcha.org>
parents:
diff changeset
269
30726
dd897eb1699e chg: send type information via S channel (BC)
Jun Wu <quark@fb.com>
parents: 30669
diff changeset
270 if type == 'system', waits for:
27792
980957333cfa chgserver: import background server extension from cHg
Yuya Nishihara <yuya@tcha.org>
parents:
diff changeset
271
980957333cfa chgserver: import background server extension from cHg
Yuya Nishihara <yuya@tcha.org>
parents:
diff changeset
272 exitcode length (unsigned int),
980957333cfa chgserver: import background server extension from cHg
Yuya Nishihara <yuya@tcha.org>
parents:
diff changeset
273 exitcode (int)
30739
815e1cefd082 chgserver: make S channel support pager request
Jun Wu <quark@fb.com>
parents: 30737
diff changeset
274
815e1cefd082 chgserver: make S channel support pager request
Jun Wu <quark@fb.com>
parents: 30737
diff changeset
275 if type == 'pager', repetitively waits for a command name ending with '\n'
815e1cefd082 chgserver: make S channel support pager request
Jun Wu <quark@fb.com>
parents: 30737
diff changeset
276 and executes it defined by cmdtable, or exits the loop if the command name
815e1cefd082 chgserver: make S channel support pager request
Jun Wu <quark@fb.com>
parents: 30737
diff changeset
277 is empty.
27792
980957333cfa chgserver: import background server extension from cHg
Yuya Nishihara <yuya@tcha.org>
parents:
diff changeset
278 """
980957333cfa chgserver: import background server extension from cHg
Yuya Nishihara <yuya@tcha.org>
parents:
diff changeset
279 def __init__(self, in_, out, channel):
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280 self.in_ = in_
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281 self.out = out
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282 self.channel = channel
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283
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284 def __call__(self, cmd, environ, cwd=None, type='system', cmdtable=None):
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285 args = [type, procutil.quotecommand(cmd), os.path.abspath(cwd or '.')]
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286 args.extend('%s=%s' % (k, v) for k, v in environ.iteritems())
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287 data = '\0'.join(args)
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288 self.out.write(struct.pack('>cI', self.channel, len(data)))
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289 self.out.write(data)
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290 self.out.flush()
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291
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292 if type == 'system':
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293 length = self.in_.read(4)
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294 length, = struct.unpack('>I', length)
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295 if length != 4:
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296 raise error.Abort(_('invalid response'))
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297 rc, = struct.unpack('>i', self.in_.read(4))
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298 return rc
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299 elif type == 'pager':
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300 while True:
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301 cmd = self.in_.readline()[:-1]
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302 if not cmd:
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303 break
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304 if cmdtable and cmd in cmdtable:
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305 cmdtable[cmd]()
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306 else:
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307 raise error.Abort(_('unexpected command: %s') % cmd)
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308 else:
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309 raise error.ProgrammingError('invalid S channel type: %s' % type)
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310
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311 _iochannels = [
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312 # server.ch, ui.fp, mode
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313 ('cin', 'fin', r'rb'),
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314 ('cout', 'fout', r'wb'),
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315 ('cerr', 'ferr', r'wb'),
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316 ]
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317
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318 class chgcmdserver(commandserver.server):
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319 def __init__(self, ui, repo, fin, fout, sock, prereposetups,
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320 hashstate, baseaddress):
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321 super(chgcmdserver, self).__init__(
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322 _newchgui(ui, channeledsystem(fin, fout, 'S'), self.attachio),
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323 repo, fin, fout, prereposetups)
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324 self.clientsock = sock
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325 self._ioattached = False
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326 self._oldios = [] # original (self.ch, ui.fp, fd) before "attachio"
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327 self.hashstate = hashstate
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328 self.baseaddress = baseaddress
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329 if hashstate is not None:
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330 self.capabilities = self.capabilities.copy()
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331 self.capabilities['validate'] = chgcmdserver.validate
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332
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333 def cleanup(self):
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538d0003c9e0 commandserver: promote .cleanup() hook from chgserver
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334 super(chgcmdserver, self).cleanup()
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335 # dispatch._runcatch() does not flush outputs if exception is not
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336 # handled by dispatch._dispatch()
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337 self.ui.flush()
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338 self._restoreio()
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339 self._ioattached = False
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340
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341 def attachio(self):
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342 """Attach to client's stdio passed via unix domain socket; all
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343 channels except cresult will no longer be used
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344 """
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345 # tell client to sendmsg() with 1-byte payload, which makes it
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346 # distinctive from "attachio\n" command consumed by client.read()
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diff changeset
347 self.clientsock.sendall(struct.pack('>cI', 'I', 1))
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diff changeset
348 clientfds = util.recvfds(self.clientsock.fileno())
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diff changeset
349 self.ui.log('chgserver', 'received fds: %r\n', clientfds)
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350
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351 ui = self.ui
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352 ui.flush()
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353 self._saveio()
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354 for fd, (cn, fn, mode) in zip(clientfds, _iochannels):
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355 assert fd > 0
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diff changeset
356 fp = getattr(ui, fn)
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357 os.dup2(fd, fp.fileno())
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358 os.close(fd)
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359 if self._ioattached:
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360 continue
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diff changeset
361 # reset buffering mode when client is first attached. as we want
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diff changeset
362 # to see output immediately on pager, the mode stays unchanged
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diff changeset
363 # when client re-attached. ferr is unchanged because it should
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diff changeset
364 # be unbuffered no matter if it is a tty or not.
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diff changeset
365 if fn == 'ferr':
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diff changeset
366 newfp = fp
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diff changeset
367 else:
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parents:
diff changeset
368 # make it line buffered explicitly because the default is
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diff changeset
369 # decided on first write(), where fout could be a pager.
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diff changeset
370 if fp.isatty():
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diff changeset
371 bufsize = 1 # line buffered
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diff changeset
372 else:
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diff changeset
373 bufsize = -1 # system default
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diff changeset
374 newfp = os.fdopen(fp.fileno(), mode, bufsize)
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diff changeset
375 setattr(ui, fn, newfp)
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diff changeset
376 setattr(self, cn, newfp)
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diff changeset
377
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diff changeset
378 self._ioattached = True
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diff changeset
379 self.cresult.write(struct.pack('>i', len(clientfds)))
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parents:
diff changeset
380
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diff changeset
381 def _saveio(self):
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diff changeset
382 if self._oldios:
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diff changeset
383 return
27792
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diff changeset
384 ui = self.ui
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diff changeset
385 for cn, fn, _mode in _iochannels:
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diff changeset
386 ch = getattr(self, cn)
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diff changeset
387 fp = getattr(ui, fn)
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diff changeset
388 fd = os.dup(fp.fileno())
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diff changeset
389 self._oldios.append((ch, fp, fd))
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parents:
diff changeset
390
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diff changeset
391 def _restoreio(self):
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diff changeset
392 ui = self.ui
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parents:
diff changeset
393 for (ch, fp, fd), (cn, fn, _mode) in zip(self._oldios, _iochannels):
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parents:
diff changeset
394 newfp = getattr(ui, fn)
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parents:
diff changeset
395 # close newfp while it's associated with client; otherwise it
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parents:
diff changeset
396 # would be closed when newfp is deleted
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parents:
diff changeset
397 if newfp is not fp:
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parents:
diff changeset
398 newfp.close()
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parents:
diff changeset
399 # restore original fd: fp is open again
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parents:
diff changeset
400 os.dup2(fd, fp.fileno())
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parents:
diff changeset
401 os.close(fd)
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parents:
diff changeset
402 setattr(self, cn, ch)
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parents:
diff changeset
403 setattr(ui, fn, fp)
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parents:
diff changeset
404 del self._oldios[:]
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parents:
diff changeset
405
28350
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diff changeset
406 def validate(self):
8f9661d1637b chgserver: implement validate command
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parents: 28342
diff changeset
407 """Reload the config and check if the server is up to date
8f9661d1637b chgserver: implement validate command
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parents: 28342
diff changeset
408
8f9661d1637b chgserver: implement validate command
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parents: 28342
diff changeset
409 Read a list of '\0' separated arguments.
8f9661d1637b chgserver: implement validate command
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parents: 28342
diff changeset
410 Write a non-empty list of '\0' separated instruction strings or '\0'
8f9661d1637b chgserver: implement validate command
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parents: 28342
diff changeset
411 if the list is empty.
8f9661d1637b chgserver: implement validate command
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parents: 28342
diff changeset
412 An instruction string could be either:
8f9661d1637b chgserver: implement validate command
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parents: 28342
diff changeset
413 - "unlink $path", the client should unlink the path to stop the
8f9661d1637b chgserver: implement validate command
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parents: 28342
diff changeset
414 outdated server.
28535
aa082a8125da chgserver: add an explicit "reconnect" instruction to validate
Jun Wu <quark@fb.com>
parents: 28516
diff changeset
415 - "redirect $path", the client should attempt to connect to $path
aa082a8125da chgserver: add an explicit "reconnect" instruction to validate
Jun Wu <quark@fb.com>
parents: 28516
diff changeset
416 first. If it does not work, start a new server. It implies
aa082a8125da chgserver: add an explicit "reconnect" instruction to validate
Jun Wu <quark@fb.com>
parents: 28516
diff changeset
417 "reconnect".
28516
3bf2892f685f chgserver: handle ParseError during validate
Jun Wu <quark@fb.com>
parents: 28514
diff changeset
418 - "exit $n", the client should exit directly with code n.
3bf2892f685f chgserver: handle ParseError during validate
Jun Wu <quark@fb.com>
parents: 28514
diff changeset
419 This may happen if we cannot parse the config.
28535
aa082a8125da chgserver: add an explicit "reconnect" instruction to validate
Jun Wu <quark@fb.com>
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diff changeset
420 - "reconnect", the client should close the connection and
aa082a8125da chgserver: add an explicit "reconnect" instruction to validate
Jun Wu <quark@fb.com>
parents: 28516
diff changeset
421 reconnect.
aa082a8125da chgserver: add an explicit "reconnect" instruction to validate
Jun Wu <quark@fb.com>
parents: 28516
diff changeset
422 If neither "reconnect" nor "redirect" is included in the instruction
aa082a8125da chgserver: add an explicit "reconnect" instruction to validate
Jun Wu <quark@fb.com>
parents: 28516
diff changeset
423 list, the client can continue with this server after completing all
aa082a8125da chgserver: add an explicit "reconnect" instruction to validate
Jun Wu <quark@fb.com>
parents: 28516
diff changeset
424 the instructions.
28350
8f9661d1637b chgserver: implement validate command
Jun Wu <quark@fb.com>
parents: 28342
diff changeset
425 """
30513
ff7df4bb75de chgserver: make it a core module and drop extension flags
Yuya Nishihara <yuya@tcha.org>
parents: 30512
diff changeset
426 from . import dispatch # avoid cycle
30512
cc374292a561 chgserver: delay importing commands and dispatch modules
Yuya Nishihara <yuya@tcha.org>
parents: 30511
diff changeset
427
28350
8f9661d1637b chgserver: implement validate command
Jun Wu <quark@fb.com>
parents: 28342
diff changeset
428 args = self._readlist()
28516
3bf2892f685f chgserver: handle ParseError during validate
Jun Wu <quark@fb.com>
parents: 28514
diff changeset
429 try:
40824
82210d88d814 commandserver: install logger to record server events through canonical API
Yuya Nishihara <yuya@tcha.org>
parents: 40729
diff changeset
430 self.ui, lui = _loadnewui(self.ui, args, self.cdebug)
28516
3bf2892f685f chgserver: handle ParseError during validate
Jun Wu <quark@fb.com>
parents: 28514
diff changeset
431 except error.ParseError as inst:
3bf2892f685f chgserver: handle ParseError during validate
Jun Wu <quark@fb.com>
parents: 28514
diff changeset
432 dispatch._formatparse(self.ui.warn, inst)
3bf2892f685f chgserver: handle ParseError during validate
Jun Wu <quark@fb.com>
parents: 28514
diff changeset
433 self.ui.flush()
3bf2892f685f chgserver: handle ParseError during validate
Jun Wu <quark@fb.com>
parents: 28514
diff changeset
434 self.cresult.write('exit 255')
3bf2892f685f chgserver: handle ParseError during validate
Jun Wu <quark@fb.com>
parents: 28514
diff changeset
435 return
40110
d1338b4e39d0 chgserver: catch Abort while parsing early args to shut down cleanly
Yuya Nishihara <yuya@tcha.org>
parents: 40108
diff changeset
436 except error.Abort as inst:
d1338b4e39d0 chgserver: catch Abort while parsing early args to shut down cleanly
Yuya Nishihara <yuya@tcha.org>
parents: 40108
diff changeset
437 self.ui.error(_("abort: %s\n") % inst)
d1338b4e39d0 chgserver: catch Abort while parsing early args to shut down cleanly
Yuya Nishihara <yuya@tcha.org>
parents: 40108
diff changeset
438 if inst.hint:
d1338b4e39d0 chgserver: catch Abort while parsing early args to shut down cleanly
Yuya Nishihara <yuya@tcha.org>
parents: 40108
diff changeset
439 self.ui.error(_("(%s)\n") % inst.hint)
d1338b4e39d0 chgserver: catch Abort while parsing early args to shut down cleanly
Yuya Nishihara <yuya@tcha.org>
parents: 40108
diff changeset
440 self.ui.flush()
d1338b4e39d0 chgserver: catch Abort while parsing early args to shut down cleanly
Yuya Nishihara <yuya@tcha.org>
parents: 40108
diff changeset
441 self.cresult.write('exit 255')
d1338b4e39d0 chgserver: catch Abort while parsing early args to shut down cleanly
Yuya Nishihara <yuya@tcha.org>
parents: 40108
diff changeset
442 return
28599
0e7a929754aa chgserver: use global ui instead of repo ui for dispatch.request.ui
Jun Wu <quark@fb.com>
parents: 28586
diff changeset
443 newhash = hashstate.fromui(lui, self.hashstate.mtimepaths)
28350
8f9661d1637b chgserver: implement validate command
Jun Wu <quark@fb.com>
parents: 28342
diff changeset
444 insts = []
8f9661d1637b chgserver: implement validate command
Jun Wu <quark@fb.com>
parents: 28342
diff changeset
445 if newhash.mtimehash != self.hashstate.mtimehash:
8f9661d1637b chgserver: implement validate command
Jun Wu <quark@fb.com>
parents: 28342
diff changeset
446 addr = _hashaddress(self.baseaddress, self.hashstate.confighash)
8f9661d1637b chgserver: implement validate command
Jun Wu <quark@fb.com>
parents: 28342
diff changeset
447 insts.append('unlink %s' % addr)
28536
a979f5b03320 chgserver: invalidate the server if extensions fail to load
Jun Wu <quark@fb.com>
parents: 28535
diff changeset
448 # mtimehash is empty if one or more extensions fail to load.
a979f5b03320 chgserver: invalidate the server if extensions fail to load
Jun Wu <quark@fb.com>
parents: 28535
diff changeset
449 # to be compatible with hg, still serve the client this time.
a979f5b03320 chgserver: invalidate the server if extensions fail to load
Jun Wu <quark@fb.com>
parents: 28535
diff changeset
450 if self.hashstate.mtimehash:
a979f5b03320 chgserver: invalidate the server if extensions fail to load
Jun Wu <quark@fb.com>
parents: 28535
diff changeset
451 insts.append('reconnect')
28350
8f9661d1637b chgserver: implement validate command
Jun Wu <quark@fb.com>
parents: 28342
diff changeset
452 if newhash.confighash != self.hashstate.confighash:
8f9661d1637b chgserver: implement validate command
Jun Wu <quark@fb.com>
parents: 28342
diff changeset
453 addr = _hashaddress(self.baseaddress, newhash.confighash)
8f9661d1637b chgserver: implement validate command
Jun Wu <quark@fb.com>
parents: 28342
diff changeset
454 insts.append('redirect %s' % addr)
41828
bce2356ece68 py3: port things from chgserver.py
Pulkit Goyal <pulkit@yandex-team.ru>
parents: 41816
diff changeset
455 self.ui.log('chgserver', 'validate: %s\n', stringutil.pprint(insts))
28350
8f9661d1637b chgserver: implement validate command
Jun Wu <quark@fb.com>
parents: 28342
diff changeset
456 self.cresult.write('\0'.join(insts) or '\0')
8f9661d1637b chgserver: implement validate command
Jun Wu <quark@fb.com>
parents: 28342
diff changeset
457
27792
980957333cfa chgserver: import background server extension from cHg
Yuya Nishihara <yuya@tcha.org>
parents:
diff changeset
458 def chdir(self):
980957333cfa chgserver: import background server extension from cHg
Yuya Nishihara <yuya@tcha.org>
parents:
diff changeset
459 """Change current directory
980957333cfa chgserver: import background server extension from cHg
Yuya Nishihara <yuya@tcha.org>
parents:
diff changeset
460
980957333cfa chgserver: import background server extension from cHg
Yuya Nishihara <yuya@tcha.org>
parents:
diff changeset
461 Note that the behavior of --cwd option is bit different from this.
980957333cfa chgserver: import background server extension from cHg
Yuya Nishihara <yuya@tcha.org>
parents:
diff changeset
462 It does not affect --config parameter.
980957333cfa chgserver: import background server extension from cHg
Yuya Nishihara <yuya@tcha.org>
parents:
diff changeset
463 """
28158
7cc57a531f0c chgserver: use _readlist and _readstr
Jun Wu <quark@fb.com>
parents: 28014
diff changeset
464 path = self._readstr()
7cc57a531f0c chgserver: use _readlist and _readstr
Jun Wu <quark@fb.com>
parents: 28014
diff changeset
465 if not path:
27792
980957333cfa chgserver: import background server extension from cHg
Yuya Nishihara <yuya@tcha.org>
parents:
diff changeset
466 return
40825
eaabcb689747 commandserver: switch logging facility to ui.log() interface
Yuya Nishihara <yuya@tcha.org>
parents: 40824
diff changeset
467 self.ui.log('chgserver', 'chdir to %r\n', path)
27792
980957333cfa chgserver: import background server extension from cHg
Yuya Nishihara <yuya@tcha.org>
parents:
diff changeset
468 os.chdir(path)
980957333cfa chgserver: import background server extension from cHg
Yuya Nishihara <yuya@tcha.org>
parents:
diff changeset
469
28159
d2d04d1d2f92 chgserver: add setumask method
Jun Wu <quark@fb.com>
parents: 28158
diff changeset
470 def setumask(self):
40108
e5fbdc3659fc chgserver: add "setumask2" command which uses correct message frame
Yuya Nishihara <yuya@tcha.org>
parents: 39840
diff changeset
471 """Change umask (DEPRECATED)"""
e5fbdc3659fc chgserver: add "setumask2" command which uses correct message frame
Yuya Nishihara <yuya@tcha.org>
parents: 39840
diff changeset
472 # BUG: this does not follow the message frame structure, but kept for
e5fbdc3659fc chgserver: add "setumask2" command which uses correct message frame
Yuya Nishihara <yuya@tcha.org>
parents: 39840
diff changeset
473 # backward compatibility with old chg clients for some time
e5fbdc3659fc chgserver: add "setumask2" command which uses correct message frame
Yuya Nishihara <yuya@tcha.org>
parents: 39840
diff changeset
474 self._setumask(self._read(4))
e5fbdc3659fc chgserver: add "setumask2" command which uses correct message frame
Yuya Nishihara <yuya@tcha.org>
parents: 39840
diff changeset
475
e5fbdc3659fc chgserver: add "setumask2" command which uses correct message frame
Yuya Nishihara <yuya@tcha.org>
parents: 39840
diff changeset
476 def setumask2(self):
28159
d2d04d1d2f92 chgserver: add setumask method
Jun Wu <quark@fb.com>
parents: 28158
diff changeset
477 """Change umask"""
40108
e5fbdc3659fc chgserver: add "setumask2" command which uses correct message frame
Yuya Nishihara <yuya@tcha.org>
parents: 39840
diff changeset
478 data = self._readstr()
e5fbdc3659fc chgserver: add "setumask2" command which uses correct message frame
Yuya Nishihara <yuya@tcha.org>
parents: 39840
diff changeset
479 if len(data) != 4:
e5fbdc3659fc chgserver: add "setumask2" command which uses correct message frame
Yuya Nishihara <yuya@tcha.org>
parents: 39840
diff changeset
480 raise ValueError('invalid mask length in setumask2 request')
e5fbdc3659fc chgserver: add "setumask2" command which uses correct message frame
Yuya Nishihara <yuya@tcha.org>
parents: 39840
diff changeset
481 self._setumask(data)
e5fbdc3659fc chgserver: add "setumask2" command which uses correct message frame
Yuya Nishihara <yuya@tcha.org>
parents: 39840
diff changeset
482
e5fbdc3659fc chgserver: add "setumask2" command which uses correct message frame
Yuya Nishihara <yuya@tcha.org>
parents: 39840
diff changeset
483 def _setumask(self, data):
e5fbdc3659fc chgserver: add "setumask2" command which uses correct message frame
Yuya Nishihara <yuya@tcha.org>
parents: 39840
diff changeset
484 mask = struct.unpack('>I', data)[0]
40825
eaabcb689747 commandserver: switch logging facility to ui.log() interface
Yuya Nishihara <yuya@tcha.org>
parents: 40824
diff changeset
485 self.ui.log('chgserver', 'setumask %r\n', mask)
28159
d2d04d1d2f92 chgserver: add setumask method
Jun Wu <quark@fb.com>
parents: 28158
diff changeset
486 os.umask(mask)
d2d04d1d2f92 chgserver: add setumask method
Jun Wu <quark@fb.com>
parents: 28158
diff changeset
487
30644
2bb8c53be961 chgserver: override runcommand
Jun Wu <quark@fb.com>
parents: 30643
diff changeset
488 def runcommand(self):
39739
7cdd47d9ccf8 chgserver: restore pager fds attached within runcommand session
Yuya Nishihara <yuya@tcha.org>
parents: 39738
diff changeset
489 # pager may be attached within the runcommand session, which should
7cdd47d9ccf8 chgserver: restore pager fds attached within runcommand session
Yuya Nishihara <yuya@tcha.org>
parents: 39738
diff changeset
490 # be detached at the end of the session. otherwise the pager wouldn't
7cdd47d9ccf8 chgserver: restore pager fds attached within runcommand session
Yuya Nishihara <yuya@tcha.org>
parents: 39738
diff changeset
491 # receive EOF.
7cdd47d9ccf8 chgserver: restore pager fds attached within runcommand session
Yuya Nishihara <yuya@tcha.org>
parents: 39738
diff changeset
492 globaloldios = self._oldios
7cdd47d9ccf8 chgserver: restore pager fds attached within runcommand session
Yuya Nishihara <yuya@tcha.org>
parents: 39738
diff changeset
493 self._oldios = []
7cdd47d9ccf8 chgserver: restore pager fds attached within runcommand session
Yuya Nishihara <yuya@tcha.org>
parents: 39738
diff changeset
494 try:
7cdd47d9ccf8 chgserver: restore pager fds attached within runcommand session
Yuya Nishihara <yuya@tcha.org>
parents: 39738
diff changeset
495 return super(chgcmdserver, self).runcommand()
7cdd47d9ccf8 chgserver: restore pager fds attached within runcommand session
Yuya Nishihara <yuya@tcha.org>
parents: 39738
diff changeset
496 finally:
7cdd47d9ccf8 chgserver: restore pager fds attached within runcommand session
Yuya Nishihara <yuya@tcha.org>
parents: 39738
diff changeset
497 self._restoreio()
7cdd47d9ccf8 chgserver: restore pager fds attached within runcommand session
Yuya Nishihara <yuya@tcha.org>
parents: 39738
diff changeset
498 self._oldios = globaloldios
30644
2bb8c53be961 chgserver: override runcommand
Jun Wu <quark@fb.com>
parents: 30643
diff changeset
499
27792
980957333cfa chgserver: import background server extension from cHg
Yuya Nishihara <yuya@tcha.org>
parents:
diff changeset
500 def setenv(self):
980957333cfa chgserver: import background server extension from cHg
Yuya Nishihara <yuya@tcha.org>
parents:
diff changeset
501 """Clear and update os.environ
980957333cfa chgserver: import background server extension from cHg
Yuya Nishihara <yuya@tcha.org>
parents:
diff changeset
502
980957333cfa chgserver: import background server extension from cHg
Yuya Nishihara <yuya@tcha.org>
parents:
diff changeset
503 Note that not all variables can make an effect on the running process.
980957333cfa chgserver: import background server extension from cHg
Yuya Nishihara <yuya@tcha.org>
parents:
diff changeset
504 """
28158
7cc57a531f0c chgserver: use _readlist and _readstr
Jun Wu <quark@fb.com>
parents: 28014
diff changeset
505 l = self._readlist()
27792
980957333cfa chgserver: import background server extension from cHg
Yuya Nishihara <yuya@tcha.org>
parents:
diff changeset
506 try:
28158
7cc57a531f0c chgserver: use _readlist and _readstr
Jun Wu <quark@fb.com>
parents: 28014
diff changeset
507 newenv = dict(s.split('=', 1) for s in l)
27792
980957333cfa chgserver: import background server extension from cHg
Yuya Nishihara <yuya@tcha.org>
parents:
diff changeset
508 except ValueError:
980957333cfa chgserver: import background server extension from cHg
Yuya Nishihara <yuya@tcha.org>
parents:
diff changeset
509 raise ValueError('unexpected value in setenv request')
40825
eaabcb689747 commandserver: switch logging facility to ui.log() interface
Yuya Nishihara <yuya@tcha.org>
parents: 40824
diff changeset
510 self.ui.log('chgserver', 'setenv: %r\n', sorted(newenv.keys()))
30635
a150173da1c1 py3: replace os.environ with encoding.environ (part 2 of 5)
Pulkit Goyal <7895pulkit@gmail.com>
parents: 30619
diff changeset
511 encoding.environ.clear()
a150173da1c1 py3: replace os.environ with encoding.environ (part 2 of 5)
Pulkit Goyal <7895pulkit@gmail.com>
parents: 30619
diff changeset
512 encoding.environ.update(newenv)
27792
980957333cfa chgserver: import background server extension from cHg
Yuya Nishihara <yuya@tcha.org>
parents:
diff changeset
513
980957333cfa chgserver: import background server extension from cHg
Yuya Nishihara <yuya@tcha.org>
parents:
diff changeset
514 capabilities = commandserver.server.capabilities.copy()
980957333cfa chgserver: import background server extension from cHg
Yuya Nishihara <yuya@tcha.org>
parents:
diff changeset
515 capabilities.update({'attachio': attachio,
980957333cfa chgserver: import background server extension from cHg
Yuya Nishihara <yuya@tcha.org>
parents:
diff changeset
516 'chdir': chdir,
30644
2bb8c53be961 chgserver: override runcommand
Jun Wu <quark@fb.com>
parents: 30643
diff changeset
517 'runcommand': runcommand,
28159
d2d04d1d2f92 chgserver: add setumask method
Jun Wu <quark@fb.com>
parents: 28158
diff changeset
518 'setenv': setenv,
40108
e5fbdc3659fc chgserver: add "setumask2" command which uses correct message frame
Yuya Nishihara <yuya@tcha.org>
parents: 39840
diff changeset
519 'setumask': setumask,
e5fbdc3659fc chgserver: add "setumask2" command which uses correct message frame
Yuya Nishihara <yuya@tcha.org>
parents: 39840
diff changeset
520 'setumask2': setumask2})
27792
980957333cfa chgserver: import background server extension from cHg
Yuya Nishihara <yuya@tcha.org>
parents:
diff changeset
521
37120
a8a902d7176e procutil: bulk-replace function calls to point to new module
Yuya Nishihara <yuya@tcha.org>
parents: 37119
diff changeset
522 if util.safehasattr(procutil, 'setprocname'):
30750
378686afca52 chgserver: add the setprocname interface
Jun Wu <quark@fb.com>
parents: 30741
diff changeset
523 def setprocname(self):
378686afca52 chgserver: add the setprocname interface
Jun Wu <quark@fb.com>
parents: 30741
diff changeset
524 """Change process title"""
378686afca52 chgserver: add the setprocname interface
Jun Wu <quark@fb.com>
parents: 30741
diff changeset
525 name = self._readstr()
40825
eaabcb689747 commandserver: switch logging facility to ui.log() interface
Yuya Nishihara <yuya@tcha.org>
parents: 40824
diff changeset
526 self.ui.log('chgserver', 'setprocname: %r\n', name)
37120
a8a902d7176e procutil: bulk-replace function calls to point to new module
Yuya Nishihara <yuya@tcha.org>
parents: 37119
diff changeset
527 procutil.setprocname(name)
30750
378686afca52 chgserver: add the setprocname interface
Jun Wu <quark@fb.com>
parents: 30741
diff changeset
528 capabilities['setprocname'] = setprocname
378686afca52 chgserver: add the setprocname interface
Jun Wu <quark@fb.com>
parents: 30741
diff changeset
529
28223
0a853dc9b306 chgserver: auto exit after being idle for too long or lose the socket file
Jun Wu <quark@fb.com>
parents: 28159
diff changeset
530 def _tempaddress(address):
0a853dc9b306 chgserver: auto exit after being idle for too long or lose the socket file
Jun Wu <quark@fb.com>
parents: 28159
diff changeset
531 return '%s.%d.tmp' % (address, os.getpid())
0a853dc9b306 chgserver: auto exit after being idle for too long or lose the socket file
Jun Wu <quark@fb.com>
parents: 28159
diff changeset
532
28326
ea400a4f32e6 chgserver: mangle server address to include confighash
Jun Wu <quark@fb.com>
parents: 28325
diff changeset
533 def _hashaddress(address, hashstr):
30619
88efb4fb1975 chgserver: truncate base address at "." for hash address
Jun Wu <quark@fb.com>
parents: 30618
diff changeset
534 # if the basename of address contains '.', use only the left part. this
88efb4fb1975 chgserver: truncate base address at "." for hash address
Jun Wu <quark@fb.com>
parents: 30618
diff changeset
535 # makes it possible for the client to pass 'server.tmp$PID' and follow by
88efb4fb1975 chgserver: truncate base address at "." for hash address
Jun Wu <quark@fb.com>
parents: 30618
diff changeset
536 # an atomic rename to avoid locking when spawning new servers.
88efb4fb1975 chgserver: truncate base address at "." for hash address
Jun Wu <quark@fb.com>
parents: 30618
diff changeset
537 dirname, basename = os.path.split(address)
88efb4fb1975 chgserver: truncate base address at "." for hash address
Jun Wu <quark@fb.com>
parents: 30618
diff changeset
538 basename = basename.split('.', 1)[0]
88efb4fb1975 chgserver: truncate base address at "." for hash address
Jun Wu <quark@fb.com>
parents: 30618
diff changeset
539 return '%s-%s' % (os.path.join(dirname, basename), hashstr)
28326
ea400a4f32e6 chgserver: mangle server address to include confighash
Jun Wu <quark@fb.com>
parents: 28325
diff changeset
540
29547
300318b7d66d chgserver: switch to new forking service
Yuya Nishihara <yuya@tcha.org>
parents: 29546
diff changeset
541 class chgunixservicehandler(object):
300318b7d66d chgserver: switch to new forking service
Yuya Nishihara <yuya@tcha.org>
parents: 29546
diff changeset
542 """Set of operations for chg services"""
300318b7d66d chgserver: switch to new forking service
Yuya Nishihara <yuya@tcha.org>
parents: 29546
diff changeset
543
300318b7d66d chgserver: switch to new forking service
Yuya Nishihara <yuya@tcha.org>
parents: 29546
diff changeset
544 pollinterval = 1 # [sec]
300318b7d66d chgserver: switch to new forking service
Yuya Nishihara <yuya@tcha.org>
parents: 29546
diff changeset
545
300318b7d66d chgserver: switch to new forking service
Yuya Nishihara <yuya@tcha.org>
parents: 29546
diff changeset
546 def __init__(self, ui):
300318b7d66d chgserver: switch to new forking service
Yuya Nishihara <yuya@tcha.org>
parents: 29546
diff changeset
547 self.ui = ui
33499
0407a51b9d8c codemod: register core configitems using a script
Jun Wu <quark@fb.com>
parents: 32271
diff changeset
548 self._idletimeout = ui.configint('chgserver', 'idletimeout')
29598
a67398726747 chgserver: rename private functions and variables of chgunixservicehandler
Yuya Nishihara <yuya@tcha.org>
parents: 29597
diff changeset
549 self._lastactive = time.time()
29547
300318b7d66d chgserver: switch to new forking service
Yuya Nishihara <yuya@tcha.org>
parents: 29546
diff changeset
550
300318b7d66d chgserver: switch to new forking service
Yuya Nishihara <yuya@tcha.org>
parents: 29546
diff changeset
551 def bindsocket(self, sock, address):
29597
581c0c7cb258 chgserver: refactor initialization of real/base addresses
Yuya Nishihara <yuya@tcha.org>
parents: 29596
diff changeset
552 self._inithashstate(address)
29545
28aca3fafc2a chgserver: reorder service classes to make future patches readable
Yuya Nishihara <yuya@tcha.org>
parents: 29543
diff changeset
553 self._checkextensions()
29547
300318b7d66d chgserver: switch to new forking service
Yuya Nishihara <yuya@tcha.org>
parents: 29546
diff changeset
554 self._bind(sock)
29545
28aca3fafc2a chgserver: reorder service classes to make future patches readable
Yuya Nishihara <yuya@tcha.org>
parents: 29543
diff changeset
555 self._createsymlink()
32237
1ada3d18e7fb commandserver: move printbanner logic to bindsocket
Jun Wu <quark@fb.com>
parents: 32236
diff changeset
556 # no "listening at" message should be printed to simulate hg behavior
29545
28aca3fafc2a chgserver: reorder service classes to make future patches readable
Yuya Nishihara <yuya@tcha.org>
parents: 29543
diff changeset
557
29597
581c0c7cb258 chgserver: refactor initialization of real/base addresses
Yuya Nishihara <yuya@tcha.org>
parents: 29596
diff changeset
558 def _inithashstate(self, address):
29598
a67398726747 chgserver: rename private functions and variables of chgunixservicehandler
Yuya Nishihara <yuya@tcha.org>
parents: 29597
diff changeset
559 self._baseaddress = address
33499
0407a51b9d8c codemod: register core configitems using a script
Jun Wu <quark@fb.com>
parents: 32271
diff changeset
560 if self.ui.configbool('chgserver', 'skiphash'):
29598
a67398726747 chgserver: rename private functions and variables of chgunixservicehandler
Yuya Nishihara <yuya@tcha.org>
parents: 29597
diff changeset
561 self._hashstate = None
a67398726747 chgserver: rename private functions and variables of chgunixservicehandler
Yuya Nishihara <yuya@tcha.org>
parents: 29597
diff changeset
562 self._realaddress = address
29545
28aca3fafc2a chgserver: reorder service classes to make future patches readable
Yuya Nishihara <yuya@tcha.org>
parents: 29543
diff changeset
563 return
29598
a67398726747 chgserver: rename private functions and variables of chgunixservicehandler
Yuya Nishihara <yuya@tcha.org>
parents: 29597
diff changeset
564 self._hashstate = hashstate.fromui(self.ui)
a67398726747 chgserver: rename private functions and variables of chgunixservicehandler
Yuya Nishihara <yuya@tcha.org>
parents: 29597
diff changeset
565 self._realaddress = _hashaddress(address, self._hashstate.confighash)
29545
28aca3fafc2a chgserver: reorder service classes to make future patches readable
Yuya Nishihara <yuya@tcha.org>
parents: 29543
diff changeset
566
28aca3fafc2a chgserver: reorder service classes to make future patches readable
Yuya Nishihara <yuya@tcha.org>
parents: 29543
diff changeset
567 def _checkextensions(self):
29598
a67398726747 chgserver: rename private functions and variables of chgunixservicehandler
Yuya Nishihara <yuya@tcha.org>
parents: 29597
diff changeset
568 if not self._hashstate:
29545
28aca3fafc2a chgserver: reorder service classes to make future patches readable
Yuya Nishihara <yuya@tcha.org>
parents: 29543
diff changeset
569 return
28aca3fafc2a chgserver: reorder service classes to make future patches readable
Yuya Nishihara <yuya@tcha.org>
parents: 29543
diff changeset
570 if extensions.notloaded():
28aca3fafc2a chgserver: reorder service classes to make future patches readable
Yuya Nishihara <yuya@tcha.org>
parents: 29543
diff changeset
571 # one or more extensions failed to load. mtimehash becomes
28aca3fafc2a chgserver: reorder service classes to make future patches readable
Yuya Nishihara <yuya@tcha.org>
parents: 29543
diff changeset
572 # meaningless because we do not know the paths of those extensions.
28aca3fafc2a chgserver: reorder service classes to make future patches readable
Yuya Nishihara <yuya@tcha.org>
parents: 29543
diff changeset
573 # set mtimehash to an illegal hash value to invalidate the server.
29598
a67398726747 chgserver: rename private functions and variables of chgunixservicehandler
Yuya Nishihara <yuya@tcha.org>
parents: 29597
diff changeset
574 self._hashstate.mtimehash = ''
29545
28aca3fafc2a chgserver: reorder service classes to make future patches readable
Yuya Nishihara <yuya@tcha.org>
parents: 29543
diff changeset
575
29547
300318b7d66d chgserver: switch to new forking service
Yuya Nishihara <yuya@tcha.org>
parents: 29546
diff changeset
576 def _bind(self, sock):
28223
0a853dc9b306 chgserver: auto exit after being idle for too long or lose the socket file
Jun Wu <quark@fb.com>
parents: 28159
diff changeset
577 # use a unique temp address so we can stat the file and do ownership
0a853dc9b306 chgserver: auto exit after being idle for too long or lose the socket file
Jun Wu <quark@fb.com>
parents: 28159
diff changeset
578 # check later
29598
a67398726747 chgserver: rename private functions and variables of chgunixservicehandler
Yuya Nishihara <yuya@tcha.org>
parents: 29597
diff changeset
579 tempaddress = _tempaddress(self._realaddress)
29547
300318b7d66d chgserver: switch to new forking service
Yuya Nishihara <yuya@tcha.org>
parents: 29546
diff changeset
580 util.bindunixsocket(sock, tempaddress)
29529
02de1dbd4f6e chgserver: narrow scope of chdir() to socket.bind()
Yuya Nishihara <yuya@tcha.org>
parents: 29513
diff changeset
581 self._socketstat = os.stat(tempaddress)
32236
c8b9943c07eb commandserver: move "listen" responsibility from service to handler
Jun Wu <quark@fb.com>
parents: 32208
diff changeset
582 sock.listen(socket.SOMAXCONN)
29529
02de1dbd4f6e chgserver: narrow scope of chdir() to socket.bind()
Yuya Nishihara <yuya@tcha.org>
parents: 29513
diff changeset
583 # rename will replace the old socket file if exists atomically. the
02de1dbd4f6e chgserver: narrow scope of chdir() to socket.bind()
Yuya Nishihara <yuya@tcha.org>
parents: 29513
diff changeset
584 # old server will detect ownership change and exit.
29598
a67398726747 chgserver: rename private functions and variables of chgunixservicehandler
Yuya Nishihara <yuya@tcha.org>
parents: 29597
diff changeset
585 util.rename(tempaddress, self._realaddress)
28223
0a853dc9b306 chgserver: auto exit after being idle for too long or lose the socket file
Jun Wu <quark@fb.com>
parents: 28159
diff changeset
586
29596
71c197d82b7e chgserver: reorder functions in chgunixservicehandler
Yuya Nishihara <yuya@tcha.org>
parents: 29595
diff changeset
587 def _createsymlink(self):
29598
a67398726747 chgserver: rename private functions and variables of chgunixservicehandler
Yuya Nishihara <yuya@tcha.org>
parents: 29597
diff changeset
588 if self._baseaddress == self._realaddress:
29596
71c197d82b7e chgserver: reorder functions in chgunixservicehandler
Yuya Nishihara <yuya@tcha.org>
parents: 29595
diff changeset
589 return
29598
a67398726747 chgserver: rename private functions and variables of chgunixservicehandler
Yuya Nishihara <yuya@tcha.org>
parents: 29597
diff changeset
590 tempaddress = _tempaddress(self._baseaddress)
a67398726747 chgserver: rename private functions and variables of chgunixservicehandler
Yuya Nishihara <yuya@tcha.org>
parents: 29597
diff changeset
591 os.symlink(os.path.basename(self._realaddress), tempaddress)
a67398726747 chgserver: rename private functions and variables of chgunixservicehandler
Yuya Nishihara <yuya@tcha.org>
parents: 29597
diff changeset
592 util.rename(tempaddress, self._baseaddress)
29596
71c197d82b7e chgserver: reorder functions in chgunixservicehandler
Yuya Nishihara <yuya@tcha.org>
parents: 29595
diff changeset
593
29598
a67398726747 chgserver: rename private functions and variables of chgunixservicehandler
Yuya Nishihara <yuya@tcha.org>
parents: 29597
diff changeset
594 def _issocketowner(self):
28223
0a853dc9b306 chgserver: auto exit after being idle for too long or lose the socket file
Jun Wu <quark@fb.com>
parents: 28159
diff changeset
595 try:
36781
ffa3026d4196 cleanup: use stat_result[stat.ST_MTIME] instead of stat_result.st_mtime
Augie Fackler <augie@google.com>
parents: 35582
diff changeset
596 st = os.stat(self._realaddress)
ffa3026d4196 cleanup: use stat_result[stat.ST_MTIME] instead of stat_result.st_mtime
Augie Fackler <augie@google.com>
parents: 35582
diff changeset
597 return (st.st_ino == self._socketstat.st_ino and
ffa3026d4196 cleanup: use stat_result[stat.ST_MTIME] instead of stat_result.st_mtime
Augie Fackler <augie@google.com>
parents: 35582
diff changeset
598 st[stat.ST_MTIME] == self._socketstat[stat.ST_MTIME])
28223
0a853dc9b306 chgserver: auto exit after being idle for too long or lose the socket file
Jun Wu <quark@fb.com>
parents: 28159
diff changeset
599 except OSError:
0a853dc9b306 chgserver: auto exit after being idle for too long or lose the socket file
Jun Wu <quark@fb.com>
parents: 28159
diff changeset
600 return False
0a853dc9b306 chgserver: auto exit after being idle for too long or lose the socket file
Jun Wu <quark@fb.com>
parents: 28159
diff changeset
601
29547
300318b7d66d chgserver: switch to new forking service
Yuya Nishihara <yuya@tcha.org>
parents: 29546
diff changeset
602 def unlinksocket(self, address):
29598
a67398726747 chgserver: rename private functions and variables of chgunixservicehandler
Yuya Nishihara <yuya@tcha.org>
parents: 29597
diff changeset
603 if not self._issocketowner():
28223
0a853dc9b306 chgserver: auto exit after being idle for too long or lose the socket file
Jun Wu <quark@fb.com>
parents: 28159
diff changeset
604 return
0a853dc9b306 chgserver: auto exit after being idle for too long or lose the socket file
Jun Wu <quark@fb.com>
parents: 28159
diff changeset
605 # it is possible to have a race condition here that we may
0a853dc9b306 chgserver: auto exit after being idle for too long or lose the socket file
Jun Wu <quark@fb.com>
parents: 28159
diff changeset
606 # remove another server's socket file. but that's okay
0a853dc9b306 chgserver: auto exit after being idle for too long or lose the socket file
Jun Wu <quark@fb.com>
parents: 28159
diff changeset
607 # 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>
parents: 28159
diff changeset
608 # the client will start a new server on demand.
31545
82b3ec04b652 chgserver: use tryunlink
Ryan McElroy <rmcelroy@fb.com>
parents: 31108
diff changeset
609 util.tryunlink(self._realaddress)
28223
0a853dc9b306 chgserver: auto exit after being idle for too long or lose the socket file
Jun Wu <quark@fb.com>
parents: 28159
diff changeset
610
29596
71c197d82b7e chgserver: reorder functions in chgunixservicehandler
Yuya Nishihara <yuya@tcha.org>
parents: 29595
diff changeset
611 def shouldexit(self):
29598
a67398726747 chgserver: rename private functions and variables of chgunixservicehandler
Yuya Nishihara <yuya@tcha.org>
parents: 29597
diff changeset
612 if not self._issocketowner():
40828
25e9089c7686 commandserver: turn server debug messages into logs
Yuya Nishihara <yuya@tcha.org>
parents: 40825
diff changeset
613 self.ui.log(b'chgserver', b'%s is not owned, exiting.\n',
25e9089c7686 commandserver: turn server debug messages into logs
Yuya Nishihara <yuya@tcha.org>
parents: 40825
diff changeset
614 self._realaddress)
29596
71c197d82b7e chgserver: reorder functions in chgunixservicehandler
Yuya Nishihara <yuya@tcha.org>
parents: 29595
diff changeset
615 return True
29598
a67398726747 chgserver: rename private functions and variables of chgunixservicehandler
Yuya Nishihara <yuya@tcha.org>
parents: 29597
diff changeset
616 if time.time() - self._lastactive > self._idletimeout:
40828
25e9089c7686 commandserver: turn server debug messages into logs
Yuya Nishihara <yuya@tcha.org>
parents: 40825
diff changeset
617 self.ui.log(b'chgserver', b'being idle too long. exiting.\n')
29596
71c197d82b7e chgserver: reorder functions in chgunixservicehandler
Yuya Nishihara <yuya@tcha.org>
parents: 29595
diff changeset
618 return True
71c197d82b7e chgserver: reorder functions in chgunixservicehandler
Yuya Nishihara <yuya@tcha.org>
parents: 29595
diff changeset
619 return False
71c197d82b7e chgserver: reorder functions in chgunixservicehandler
Yuya Nishihara <yuya@tcha.org>
parents: 29595
diff changeset
620
71c197d82b7e chgserver: reorder functions in chgunixservicehandler
Yuya Nishihara <yuya@tcha.org>
parents: 29595
diff changeset
621 def newconnection(self):
29598
a67398726747 chgserver: rename private functions and variables of chgunixservicehandler
Yuya Nishihara <yuya@tcha.org>
parents: 29597
diff changeset
622 self._lastactive = time.time()
29596
71c197d82b7e chgserver: reorder functions in chgunixservicehandler
Yuya Nishihara <yuya@tcha.org>
parents: 29595
diff changeset
623
40875
e7110f44ee2d commandserver: pass around option to hook repo instance creation
Yuya Nishihara <yuya@tcha.org>
parents: 40828
diff changeset
624 def createcmdserver(self, repo, conn, fin, fout, prereposetups):
e7110f44ee2d commandserver: pass around option to hook repo instance creation
Yuya Nishihara <yuya@tcha.org>
parents: 40828
diff changeset
625 return chgcmdserver(self.ui, repo, fin, fout, conn, prereposetups,
29598
a67398726747 chgserver: rename private functions and variables of chgunixservicehandler
Yuya Nishihara <yuya@tcha.org>
parents: 29597
diff changeset
626 self._hashstate, self._baseaddress)
28223
0a853dc9b306 chgserver: auto exit after being idle for too long or lose the socket file
Jun Wu <quark@fb.com>
parents: 28159
diff changeset
627
29546
a7513390a9db chgserver: extract stub factory of service object
Yuya Nishihara <yuya@tcha.org>
parents: 29545
diff changeset
628 def chgunixservice(ui, repo, opts):
33860
3cfc9070245f demandimport: disable if chg is being used
Jun Wu <quark@fb.com>
parents: 33499
diff changeset
629 # 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: 33499
diff changeset
630 # 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: 33499
diff changeset
631 # 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: 33499
diff changeset
632 # 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
633 # environ cleaner.
30635
a150173da1c1 py3: replace os.environ with encoding.environ (part 2 of 5)
Pulkit Goyal <7895pulkit@gmail.com>
parents: 30619
diff changeset
634 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
635 del encoding.environ['CHGINTERNALMARK']
30511
1873563e1ede chgserver: drop CHGINTERNALMARK by chgunixservice()
Yuya Nishihara <yuya@tcha.org>
parents: 30507
diff changeset
636
29546
a7513390a9db chgserver: extract stub factory of service object
Yuya Nishihara <yuya@tcha.org>
parents: 29545
diff changeset
637 if repo:
30332
318a24b52eeb spelling: fixes of non-dictionary words
Mads Kiilerich <madski@unity3d.com>
parents: 29841
diff changeset
638 # one chgserver can serve multiple repos. drop repo information
29546
a7513390a9db chgserver: extract stub factory of service object
Yuya Nishihara <yuya@tcha.org>
parents: 29545
diff changeset
639 ui.setconfig('bundle', 'mainreporoot', '', 'repo')
29547
300318b7d66d chgserver: switch to new forking service
Yuya Nishihara <yuya@tcha.org>
parents: 29546
diff changeset
640 h = chgunixservicehandler(ui)
300318b7d66d chgserver: switch to new forking service
Yuya Nishihara <yuya@tcha.org>
parents: 29546
diff changeset
641 return commandserver.unixforkingservice(ui, repo=None, opts=opts, handler=h)