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annotate hgext/blackbox.py @ 38783:e7aa113b14f7

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global: use pycompat.xrange() On Python 3, our module importer automatically rewrites xrange() to pycompat.xrange(). We want to move away from the custom importer on Python 3. This commit converts all instances of xrange() to use pycompat.xrange(). Differential Revision: https://phab.mercurial-scm.org/D4032
author Gregory Szorc <gregory.szorc@gmail.com>
date Wed, 01 Aug 2018 13:00:45 -0700
parents a8a902d7176e
children c303d65d2e34
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 # blackbox.py - log repository events to a file for post-mortem debugging
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2 #
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3 # Copyright 2010 Nicolas Dumazet
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4 # Copyright 2013 Facebook, Inc.
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5 #
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6 # This software may be used and distributed according to the terms of the
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7 # GNU General Public License version 2 or any later version.
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8
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9 """log repository events to a blackbox for debugging
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10
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11 Logs event information to .hg/blackbox.log to help debug and diagnose problems.
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12 The events that get logged can be configured via the blackbox.track config key.
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13
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14 Examples::
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15
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16 [blackbox]
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17 track = *
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18 # dirty is *EXPENSIVE* (slow);
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19 # each log entry indicates `+` if the repository is dirty, like :hg:`id`.
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20 dirty = True
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21 # record the source of log messages
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22 logsource = True
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23
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24 [blackbox]
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25 track = command, commandfinish, commandexception, exthook, pythonhook
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26
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27 [blackbox]
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28 track = incoming
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29
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30 [blackbox]
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31 # limit the size of a log file
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32 maxsize = 1.5 MB
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33 # rotate up to N log files when the current one gets too big
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34 maxfiles = 3
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35
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36 """
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37
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38 from __future__ import absolute_import
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39
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40 import errno
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41 import re
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42
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43 from mercurial.i18n import _
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44 from mercurial.node import hex
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45
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46 from mercurial import (
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47 encoding,
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48 pycompat,
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49 registrar,
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50 ui as uimod,
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51 util,
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52 )
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53 from mercurial.utils import (
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54 dateutil,
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55 procutil,
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56 )
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57
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58 # Note for extension authors: ONLY specify testedwith = 'ships-with-hg-core' for
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59 # extensions which SHIP WITH MERCURIAL. Non-mainline extensions should
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60 # be specifying the version(s) of Mercurial they are tested with, or
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61 # leave the attribute unspecified.
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62 testedwith = 'ships-with-hg-core'
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63
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64 cmdtable = {}
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65 command = registrar.command(cmdtable)
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66
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67 configtable = {}
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68 configitem = registrar.configitem(configtable)
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69
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70 configitem('blackbox', 'dirty',
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71 default=False,
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72 )
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73 configitem('blackbox', 'maxsize',
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74 default='1 MB',
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75 )
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76 configitem('blackbox', 'logsource',
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77 default=False,
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78 )
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79 configitem('blackbox', 'maxfiles',
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80 default=7,
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81 )
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82 configitem('blackbox', 'track',
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83 default=lambda: ['*'],
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84 )
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85
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86 lastui = None
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87
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88 def _openlogfile(ui, vfs):
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89 def rotate(oldpath, newpath):
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90 try:
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91 vfs.unlink(newpath)
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92 except OSError as err:
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93 if err.errno != errno.ENOENT:
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94 ui.debug("warning: cannot remove '%s': %s\n" %
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95 (newpath, err.strerror))
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96 try:
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97 if newpath:
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98 vfs.rename(oldpath, newpath)
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99 except OSError as err:
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100 if err.errno != errno.ENOENT:
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101 ui.debug("warning: cannot rename '%s' to '%s': %s\n" %
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102 (newpath, oldpath, err.strerror))
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103
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104 maxsize = ui.configbytes('blackbox', 'maxsize')
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105 name = 'blackbox.log'
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106 if maxsize > 0:
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107 try:
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108 st = vfs.stat(name)
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109 except OSError:
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110 pass
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111 else:
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112 if st.st_size >= maxsize:
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113 path = vfs.join(name)
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114 maxfiles = ui.configint('blackbox', 'maxfiles')
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115 for i in pycompat.xrange(maxfiles - 1, 1, -1):
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116 rotate(oldpath='%s.%d' % (path, i - 1),
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117 newpath='%s.%d' % (path, i))
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118 rotate(oldpath=path,
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119 newpath=maxfiles > 0 and path + '.1')
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120 return vfs(name, 'a')
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121
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122 def wrapui(ui):
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123 class blackboxui(ui.__class__):
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124 @property
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125 def _bbvfs(self):
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126 vfs = None
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127 repo = getattr(self, '_bbrepo', None)
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128 if repo:
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129 vfs = repo.vfs
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130 if not vfs.isdir('.'):
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131 vfs = None
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132 return vfs
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133
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134 @util.propertycache
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135 def track(self):
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136 return self.configlist('blackbox', 'track')
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137
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138 def debug(self, *msg, **opts):
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139 super(blackboxui, self).debug(*msg, **opts)
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140 if self.debugflag:
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Pulkit Goyal <7895pulkit@gmail.com>
parents: 35724
diff changeset
141 self.log('debug', '%s', ''.join(msg))
35724
853bf7d90804 blackbox: if --debug is used, also trace ui.debug() calls
Joerg Sonnenberger <joerg@bec.de>
parents: 35667
diff changeset
142
18669
18242716a014 blackbox: adds a blackbox extension
Durham Goode <durham@fb.com>
parents:
diff changeset
143 def log(self, event, *msg, **opts):
28247
d2c0527af364 blackbox: store the blackbox ui object instead of the log file
timeless <timeless@mozdev.org>
parents: 28246
diff changeset
144 global lastui
18669
18242716a014 blackbox: adds a blackbox extension
Durham Goode <durham@fb.com>
parents:
diff changeset
145 super(blackboxui, self).log(event, *msg, **opts)
18242716a014 blackbox: adds a blackbox extension
Durham Goode <durham@fb.com>
parents:
diff changeset
146
18242716a014 blackbox: adds a blackbox extension
Durham Goode <durham@fb.com>
parents:
diff changeset
147 if not '*' in self.track and not event in self.track:
18242716a014 blackbox: adds a blackbox extension
Durham Goode <durham@fb.com>
parents:
diff changeset
148 return
18242716a014 blackbox: adds a blackbox extension
Durham Goode <durham@fb.com>
parents:
diff changeset
149
34109
cf04db16f583 blackbox: do not cache file objects
Jun Wu <quark@fb.com>
parents: 34108
diff changeset
150 if self._bbvfs:
28247
d2c0527af364 blackbox: store the blackbox ui object instead of the log file
timeless <timeless@mozdev.org>
parents: 28246
diff changeset
151 ui = self
18669
18242716a014 blackbox: adds a blackbox extension
Durham Goode <durham@fb.com>
parents:
diff changeset
152 else:
18242716a014 blackbox: adds a blackbox extension
Durham Goode <durham@fb.com>
parents:
diff changeset
153 # certain ui instances exist outside the context of
18242716a014 blackbox: adds a blackbox extension
Durham Goode <durham@fb.com>
parents:
diff changeset
154 # a repo, so just default to the last blackbox that
18242716a014 blackbox: adds a blackbox extension
Durham Goode <durham@fb.com>
parents:
diff changeset
155 # was seen.
28247
d2c0527af364 blackbox: store the blackbox ui object instead of the log file
timeless <timeless@mozdev.org>
parents: 28246
diff changeset
156 ui = lastui
18669
18242716a014 blackbox: adds a blackbox extension
Durham Goode <durham@fb.com>
parents:
diff changeset
157
34109
cf04db16f583 blackbox: do not cache file objects
Jun Wu <quark@fb.com>
parents: 34108
diff changeset
158 if not ui:
28407
63da8bd0c65e blackbox: guard against recursion from dirty check
timeless <timeless@mozdev.org>
parents: 28305
diff changeset
159 return
34299
b1d4ac068961 blackbox: do not prevent 'chg init' from working
Jun Wu <quark@fb.com>
parents: 34276
diff changeset
160 vfs = ui._bbvfs
b1d4ac068961 blackbox: do not prevent 'chg init' from working
Jun Wu <quark@fb.com>
parents: 34276
diff changeset
161 if not vfs:
b1d4ac068961 blackbox: do not prevent 'chg init' from working
Jun Wu <quark@fb.com>
parents: 34276
diff changeset
162 return
b1d4ac068961 blackbox: do not prevent 'chg init' from working
Jun Wu <quark@fb.com>
parents: 34276
diff changeset
163
34274
a37e18b5f055 blackbox: simplify ui states
Jun Wu <quark@fb.com>
parents: 34110
diff changeset
164 repo = getattr(ui, '_bbrepo', None)
a37e18b5f055 blackbox: simplify ui states
Jun Wu <quark@fb.com>
parents: 34110
diff changeset
165 if not lastui or repo:
28407
63da8bd0c65e blackbox: guard against recursion from dirty check
timeless <timeless@mozdev.org>
parents: 28305
diff changeset
166 lastui = ui
34274
a37e18b5f055 blackbox: simplify ui states
Jun Wu <quark@fb.com>
parents: 34110
diff changeset
167 if getattr(ui, '_bbinlog', False):
34109
cf04db16f583 blackbox: do not cache file objects
Jun Wu <quark@fb.com>
parents: 34108
diff changeset
168 # recursion and failure guard
28407
63da8bd0c65e blackbox: guard against recursion from dirty check
timeless <timeless@mozdev.org>
parents: 28305
diff changeset
169 return
34275
86a5df995880 blackbox: unindent a try block
Jun Wu <quark@fb.com>
parents: 34274
diff changeset
170 ui._bbinlog = True
86a5df995880 blackbox: unindent a try block
Jun Wu <quark@fb.com>
parents: 34274
diff changeset
171 default = self.configdate('devel', 'default-date')
36607
c6061cadb400 util: extract all date-related utils in utils/dateutil module
Boris Feld <boris.feld@octobus.net>
parents: 35727
diff changeset
172 date = dateutil.datestr(default, '%Y/%m/%d %H:%M:%S')
37120
a8a902d7176e procutil: bulk-replace function calls to point to new module
Yuya Nishihara <yuya@tcha.org>
parents: 36607
diff changeset
173 user = procutil.getuser()
a8a902d7176e procutil: bulk-replace function calls to point to new module
Yuya Nishihara <yuya@tcha.org>
parents: 36607
diff changeset
174 pid = '%d' % procutil.getpid()
34275
86a5df995880 blackbox: unindent a try block
Jun Wu <quark@fb.com>
parents: 34274
diff changeset
175 formattedmsg = msg[0] % msg[1:]
86a5df995880 blackbox: unindent a try block
Jun Wu <quark@fb.com>
parents: 34274
diff changeset
176 rev = '(unknown)'
86a5df995880 blackbox: unindent a try block
Jun Wu <quark@fb.com>
parents: 34274
diff changeset
177 changed = ''
86a5df995880 blackbox: unindent a try block
Jun Wu <quark@fb.com>
parents: 34274
diff changeset
178 if repo:
86a5df995880 blackbox: unindent a try block
Jun Wu <quark@fb.com>
parents: 34274
diff changeset
179 ctx = repo[None]
86a5df995880 blackbox: unindent a try block
Jun Wu <quark@fb.com>
parents: 34274
diff changeset
180 parents = ctx.parents()
86a5df995880 blackbox: unindent a try block
Jun Wu <quark@fb.com>
parents: 34274
diff changeset
181 rev = ('+'.join([hex(p.node()) for p in parents]))
86a5df995880 blackbox: unindent a try block
Jun Wu <quark@fb.com>
parents: 34274
diff changeset
182 if (ui.configbool('blackbox', 'dirty') and
86a5df995880 blackbox: unindent a try block
Jun Wu <quark@fb.com>
parents: 34274
diff changeset
183 ctx.dirty(missing=True, merge=False, branch=False)):
86a5df995880 blackbox: unindent a try block
Jun Wu <quark@fb.com>
parents: 34274
diff changeset
184 changed = '+'
86a5df995880 blackbox: unindent a try block
Jun Wu <quark@fb.com>
parents: 34274
diff changeset
185 if ui.configbool('blackbox', 'logsource'):
86a5df995880 blackbox: unindent a try block
Jun Wu <quark@fb.com>
parents: 34274
diff changeset
186 src = ' [%s]' % event
86a5df995880 blackbox: unindent a try block
Jun Wu <quark@fb.com>
parents: 34274
diff changeset
187 else:
86a5df995880 blackbox: unindent a try block
Jun Wu <quark@fb.com>
parents: 34274
diff changeset
188 src = ''
28407
63da8bd0c65e blackbox: guard against recursion from dirty check
timeless <timeless@mozdev.org>
parents: 28305
diff changeset
189 try:
34275
86a5df995880 blackbox: unindent a try block
Jun Wu <quark@fb.com>
parents: 34274
diff changeset
190 fmt = '%s %s @%s%s (%s)%s> %s'
86a5df995880 blackbox: unindent a try block
Jun Wu <quark@fb.com>
parents: 34274
diff changeset
191 args = (date, user, rev, changed, pid, src, formattedmsg)
34300
e6723c939344 blackbox: move _openlogfile to a separate method
Jun Wu <quark@fb.com>
parents: 34299
diff changeset
192 with _openlogfile(ui, vfs) as fp:
34275
86a5df995880 blackbox: unindent a try block
Jun Wu <quark@fb.com>
parents: 34274
diff changeset
193 fp.write(fmt % args)
86a5df995880 blackbox: unindent a try block
Jun Wu <quark@fb.com>
parents: 34274
diff changeset
194 except (IOError, OSError) as err:
86a5df995880 blackbox: unindent a try block
Jun Wu <quark@fb.com>
parents: 34274
diff changeset
195 self.debug('warning: cannot write to blackbox.log: %s\n' %
35667
de598e84c244 py3: cast error message to localstr in blackbox.py
Gregory Szorc <gregory.szorc@gmail.com>
parents: 34972
diff changeset
196 encoding.strtolocal(err.strerror))
34275
86a5df995880 blackbox: unindent a try block
Jun Wu <quark@fb.com>
parents: 34274
diff changeset
197 # do not restore _bbinlog intentionally to avoid failed
86a5df995880 blackbox: unindent a try block
Jun Wu <quark@fb.com>
parents: 34274
diff changeset
198 # logging again
86a5df995880 blackbox: unindent a try block
Jun Wu <quark@fb.com>
parents: 34274
diff changeset
199 else:
86a5df995880 blackbox: unindent a try block
Jun Wu <quark@fb.com>
parents: 34274
diff changeset
200 ui._bbinlog = False
18669
18242716a014 blackbox: adds a blackbox extension
Durham Goode <durham@fb.com>
parents:
diff changeset
201
18242716a014 blackbox: adds a blackbox extension
Durham Goode <durham@fb.com>
parents:
diff changeset
202 def setrepo(self, repo):
28248
851c41a21869 blackbox: properly replace ui class
timeless <timeless@mozdev.org>
parents: 28247
diff changeset
203 self._bbrepo = repo
18669
18242716a014 blackbox: adds a blackbox extension
Durham Goode <durham@fb.com>
parents:
diff changeset
204
18242716a014 blackbox: adds a blackbox extension
Durham Goode <durham@fb.com>
parents:
diff changeset
205 ui.__class__ = blackboxui
28248
851c41a21869 blackbox: properly replace ui class
timeless <timeless@mozdev.org>
parents: 28247
diff changeset
206 uimod.ui = blackboxui
18669
18242716a014 blackbox: adds a blackbox extension
Durham Goode <durham@fb.com>
parents:
diff changeset
207
18242716a014 blackbox: adds a blackbox extension
Durham Goode <durham@fb.com>
parents:
diff changeset
208 def uisetup(ui):
18242716a014 blackbox: adds a blackbox extension
Durham Goode <durham@fb.com>
parents:
diff changeset
209 wrapui(ui)
18242716a014 blackbox: adds a blackbox extension
Durham Goode <durham@fb.com>
parents:
diff changeset
210
18242716a014 blackbox: adds a blackbox extension
Durham Goode <durham@fb.com>
parents:
diff changeset
211 def reposetup(ui, repo):
18242716a014 blackbox: adds a blackbox extension
Durham Goode <durham@fb.com>
parents:
diff changeset
212 # During 'hg pull' a httppeer repo is created to represent the remote repo.
18242716a014 blackbox: adds a blackbox extension
Durham Goode <durham@fb.com>
parents:
diff changeset
213 # It doesn't have a .hg directory to put a blackbox in, so we don't do
18242716a014 blackbox: adds a blackbox extension
Durham Goode <durham@fb.com>
parents:
diff changeset
214 # the blackbox setup for it.
18242716a014 blackbox: adds a blackbox extension
Durham Goode <durham@fb.com>
parents:
diff changeset
215 if not repo.local():
18242716a014 blackbox: adds a blackbox extension
Durham Goode <durham@fb.com>
parents:
diff changeset
216 return
18242716a014 blackbox: adds a blackbox extension
Durham Goode <durham@fb.com>
parents:
diff changeset
217
19230
6d6f148cada9 blackbox: fix blackbox causing exceptions in tests
Durham Goode <durham@fb.com>
parents: 19162
diff changeset
218 if util.safehasattr(ui, 'setrepo'):
6d6f148cada9 blackbox: fix blackbox causing exceptions in tests
Durham Goode <durham@fb.com>
parents: 19162
diff changeset
219 ui.setrepo(repo)
34276
b90bd9a98c8b blackbox: set lastui even if ui.log is not called (issue5518)
Jun Wu <quark@fb.com>
parents: 34275
diff changeset
220
b90bd9a98c8b blackbox: set lastui even if ui.log is not called (issue5518)
Jun Wu <quark@fb.com>
parents: 34275
diff changeset
221 # Set lastui even if ui.log is not called. This gives blackbox a
b90bd9a98c8b blackbox: set lastui even if ui.log is not called (issue5518)
Jun Wu <quark@fb.com>
parents: 34275
diff changeset
222 # fallback place to log.
b90bd9a98c8b blackbox: set lastui even if ui.log is not called (issue5518)
Jun Wu <quark@fb.com>
parents: 34275
diff changeset
223 global lastui
b90bd9a98c8b blackbox: set lastui even if ui.log is not called (issue5518)
Jun Wu <quark@fb.com>
parents: 34275
diff changeset
224 if lastui is None:
b90bd9a98c8b blackbox: set lastui even if ui.log is not called (issue5518)
Jun Wu <quark@fb.com>
parents: 34275
diff changeset
225 lastui = ui
b90bd9a98c8b blackbox: set lastui even if ui.log is not called (issue5518)
Jun Wu <quark@fb.com>
parents: 34275
diff changeset
226
33436
9bb4decd43b0 repovfs: add a ward to check if locks are properly taken
Boris Feld <boris.feld@octobus.net>
parents: 33361
diff changeset
227 repo._wlockfreeprefix.add('blackbox.log')
18673
f27598902007 blackbox: adds a 'blackbox' command for viewing recent logs
Durham Goode <durham@fb.com>
parents: 18669
diff changeset
228
f27598902007 blackbox: adds a 'blackbox' command for viewing recent logs
Durham Goode <durham@fb.com>
parents: 18669
diff changeset
229 @command('^blackbox',
f27598902007 blackbox: adds a 'blackbox' command for viewing recent logs
Durham Goode <durham@fb.com>
parents: 18669
diff changeset
230 [('l', 'limit', 10, _('the number of events to show')),
f27598902007 blackbox: adds a 'blackbox' command for viewing recent logs
Durham Goode <durham@fb.com>
parents: 18669
diff changeset
231 ],
f27598902007 blackbox: adds a 'blackbox' command for viewing recent logs
Durham Goode <durham@fb.com>
parents: 18669
diff changeset
232 _('hg blackbox [OPTION]...'))
f27598902007 blackbox: adds a 'blackbox' command for viewing recent logs
Durham Goode <durham@fb.com>
parents: 18669
diff changeset
233 def blackbox(ui, repo, *revs, **opts):
f27598902007 blackbox: adds a 'blackbox' command for viewing recent logs
Durham Goode <durham@fb.com>
parents: 18669
diff changeset
234 '''view the recent repository events
f27598902007 blackbox: adds a 'blackbox' command for viewing recent logs
Durham Goode <durham@fb.com>
parents: 18669
diff changeset
235 '''
f27598902007 blackbox: adds a 'blackbox' command for viewing recent logs
Durham Goode <durham@fb.com>
parents: 18669
diff changeset
236
28026
a6db1163befa blackbox: refactor use of vfs as _bbvfs
timeless <timeless@mozdev.org>
parents: 28025
diff changeset
237 if not repo.vfs.exists('blackbox.log'):
18673
f27598902007 blackbox: adds a 'blackbox' command for viewing recent logs
Durham Goode <durham@fb.com>
parents: 18669
diff changeset
238 return
f27598902007 blackbox: adds a 'blackbox' command for viewing recent logs
Durham Goode <durham@fb.com>
parents: 18669
diff changeset
239
34972
375577785f49 py3: handle keyword arguments in hgext/blackbox.py
Pulkit Goyal <7895pulkit@gmail.com>
parents: 34745
diff changeset
240 limit = opts.get(r'limit')
28244
c17d7b1c40be blackbox: rename fp variable
timeless <timeless@mozdev.org>
parents: 28243
diff changeset
241 fp = repo.vfs('blackbox.log', 'r')
c17d7b1c40be blackbox: rename fp variable
timeless <timeless@mozdev.org>
parents: 28243
diff changeset
242 lines = fp.read().split('\n')
18673
f27598902007 blackbox: adds a 'blackbox' command for viewing recent logs
Durham Goode <durham@fb.com>
parents: 18669
diff changeset
243
f27598902007 blackbox: adds a 'blackbox' command for viewing recent logs
Durham Goode <durham@fb.com>
parents: 18669
diff changeset
244 count = 0
f27598902007 blackbox: adds a 'blackbox' command for viewing recent logs
Durham Goode <durham@fb.com>
parents: 18669
diff changeset
245 output = []
f27598902007 blackbox: adds a 'blackbox' command for viewing recent logs
Durham Goode <durham@fb.com>
parents: 18669
diff changeset
246 for line in reversed(lines):
f27598902007 blackbox: adds a 'blackbox' command for viewing recent logs
Durham Goode <durham@fb.com>
parents: 18669
diff changeset
247 if count >= limit:
f27598902007 blackbox: adds a 'blackbox' command for viewing recent logs
Durham Goode <durham@fb.com>
parents: 18669
diff changeset
248 break
f27598902007 blackbox: adds a 'blackbox' command for viewing recent logs
Durham Goode <durham@fb.com>
parents: 18669
diff changeset
249
f27598902007 blackbox: adds a 'blackbox' command for viewing recent logs
Durham Goode <durham@fb.com>
parents: 18669
diff changeset
250 # count the commands by matching lines like: 2013/01/23 19:13:36 root>
f27598902007 blackbox: adds a 'blackbox' command for viewing recent logs
Durham Goode <durham@fb.com>
parents: 18669
diff changeset
251 if re.match('^\d{4}/\d{2}/\d{2} \d{2}:\d{2}:\d{2} .*> .*', line):
f27598902007 blackbox: adds a 'blackbox' command for viewing recent logs
Durham Goode <durham@fb.com>
parents: 18669
diff changeset
252 count += 1
f27598902007 blackbox: adds a 'blackbox' command for viewing recent logs
Durham Goode <durham@fb.com>
parents: 18669
diff changeset
253 output.append(line)
f27598902007 blackbox: adds a 'blackbox' command for viewing recent logs
Durham Goode <durham@fb.com>
parents: 18669
diff changeset
254
f27598902007 blackbox: adds a 'blackbox' command for viewing recent logs
Durham Goode <durham@fb.com>
parents: 18669
diff changeset
255 ui.status('\n'.join(reversed(output)))