annotate hgext/blackbox.py @ 28578:66d085e55ecd

filemerge: indicate that local/other are p1/p2
author timeless <timeless@mozdev.org>
date Thu, 17 Mar 2016 00:36:01 +0000
parents 999e1acc61aa
children d5883fd055c6
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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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 cmdutil,
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48 ui as uimod,
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49 util,
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50 )
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51
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52 cmdtable = {}
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53 command = cmdutil.command(cmdtable)
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54 # Note for extension authors: ONLY specify testedwith = 'internal' for
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55 # extensions which SHIP WITH MERCURIAL. Non-mainline extensions should
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56 # be specifying the version(s) of Mercurial they are tested with, or
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57 # leave the attribute unspecified.
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58 testedwith = 'internal'
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59 lastui = None
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60
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61 filehandles = {}
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62
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63 def _openlog(vfs):
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64 path = vfs.join('blackbox.log')
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65 if path in filehandles:
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66 return filehandles[path]
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67 filehandles[path] = fp = vfs('blackbox.log', 'a')
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68 return fp
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69
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70 def _closelog(vfs):
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71 path = vfs.join('blackbox.log')
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72 fp = filehandles[path]
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73 del filehandles[path]
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74 fp.close()
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75
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76 def wrapui(ui):
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77 class blackboxui(ui.__class__):
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78 def __init__(self, src=None):
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79 super(blackboxui, self).__init__(src)
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80 if src is None:
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81 self._partialinit()
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82 else:
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83 self._bbfp = getattr(src, '_bbfp', None)
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84 self._bbinlog = False
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85 self._bbrepo = getattr(src, '_bbrepo', None)
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86 self._bbvfs = getattr(src, '_bbvfs', None)
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87
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88 def _partialinit(self):
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89 if util.safehasattr(self, '_bbvfs'):
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90 return
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91 self._bbfp = None
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92 self._bbinlog = False
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93 self._bbrepo = None
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94 self._bbvfs = None
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95
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96 def copy(self):
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97 self._partialinit()
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98 return self.__class__(self)
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99
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100 @util.propertycache
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101 def track(self):
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102 return self.configlist('blackbox', 'track', ['*'])
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103
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104 def _openlogfile(self):
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105 def rotate(oldpath, newpath):
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106 try:
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107 self._bbvfs.unlink(newpath)
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108 except OSError as err:
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109 if err.errno != errno.ENOENT:
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110 self.debug("warning: cannot remove '%s': %s\n" %
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111 (newpath, err.strerror))
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112 try:
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113 if newpath:
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114 self._bbvfs.rename(oldpath, newpath)
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115 except OSError as err:
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116 if err.errno != errno.ENOENT:
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117 self.debug("warning: cannot rename '%s' to '%s': %s\n" %
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118 (newpath, oldpath, err.strerror))
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119
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120 fp = _openlog(self._bbvfs)
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121 maxsize = self.configbytes('blackbox', 'maxsize', 1048576)
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122 if maxsize > 0:
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123 st = self._bbvfs.fstat(fp)
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124 if st.st_size >= maxsize:
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125 path = fp.name
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126 _closelog(self._bbvfs)
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127 maxfiles = self.configint('blackbox', 'maxfiles', 7)
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128 for i in xrange(maxfiles - 1, 1, -1):
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129 rotate(oldpath='%s.%d' % (path, i - 1),
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130 newpath='%s.%d' % (path, i))
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131 rotate(oldpath=path,
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132 newpath=maxfiles > 0 and path + '.1')
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133 fp = _openlog(self._bbvfs)
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134 return fp
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135
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136 def _bbwrite(self, fmt, *args):
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137 self._bbfp.write(fmt % args)
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138 self._bbfp.flush()
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139
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140 def log(self, event, *msg, **opts):
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141 global lastui
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142 super(blackboxui, self).log(event, *msg, **opts)
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143 self._partialinit()
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144
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145 if not '*' in self.track and not event in self.track:
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146 return
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diff changeset
147
28248
851c41a21869 blackbox: properly replace ui class
timeless <timeless@mozdev.org>
parents: 28247
diff changeset
148 if self._bbfp:
28247
d2c0527af364 blackbox: store the blackbox ui object instead of the log file
timeless <timeless@mozdev.org>
parents: 28246
diff changeset
149 ui = self
28248
851c41a21869 blackbox: properly replace ui class
timeless <timeless@mozdev.org>
parents: 28247
diff changeset
150 elif self._bbvfs:
18831
17f6644a2fbc blackbox: defer opening a log file until needed (issue3869)
Bryan O'Sullivan <bryano@fb.com>
parents: 18810
diff changeset
151 try:
28244
c17d7b1c40be blackbox: rename fp variable
timeless <timeless@mozdev.org>
parents: 28243
diff changeset
152 self._bbfp = self._openlogfile()
25660
328739ea70c3 global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents: 25186
diff changeset
153 except (IOError, OSError) as err:
18831
17f6644a2fbc blackbox: defer opening a log file until needed (issue3869)
Bryan O'Sullivan <bryano@fb.com>
parents: 18810
diff changeset
154 self.debug('warning: cannot write to blackbox.log: %s\n' %
17f6644a2fbc blackbox: defer opening a log file until needed (issue3869)
Bryan O'Sullivan <bryano@fb.com>
parents: 18810
diff changeset
155 err.strerror)
28026
a6db1163befa blackbox: refactor use of vfs as _bbvfs
timeless <timeless@mozdev.org>
parents: 28025
diff changeset
156 del self._bbvfs
28244
c17d7b1c40be blackbox: rename fp variable
timeless <timeless@mozdev.org>
parents: 28243
diff changeset
157 self._bbfp = None
28247
d2c0527af364 blackbox: store the blackbox ui object instead of the log file
timeless <timeless@mozdev.org>
parents: 28246
diff changeset
158 ui = self
18669
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Durham Goode <durham@fb.com>
parents:
diff changeset
159 else:
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Durham Goode <durham@fb.com>
parents:
diff changeset
160 # certain ui instances exist outside the context of
18242716a014 blackbox: adds a blackbox extension
Durham Goode <durham@fb.com>
parents:
diff changeset
161 # a repo, so just default to the last blackbox that
18242716a014 blackbox: adds a blackbox extension
Durham Goode <durham@fb.com>
parents:
diff changeset
162 # was seen.
28247
d2c0527af364 blackbox: store the blackbox ui object instead of the log file
timeless <timeless@mozdev.org>
parents: 28246
diff changeset
163 ui = lastui
18669
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Durham Goode <durham@fb.com>
parents:
diff changeset
164
28407
63da8bd0c65e blackbox: guard against recursion from dirty check
timeless <timeless@mozdev.org>
parents: 28305
diff changeset
165 if not ui or not ui._bbfp:
63da8bd0c65e blackbox: guard against recursion from dirty check
timeless <timeless@mozdev.org>
parents: 28305
diff changeset
166 return
63da8bd0c65e blackbox: guard against recursion from dirty check
timeless <timeless@mozdev.org>
parents: 28305
diff changeset
167 if not lastui or ui._bbrepo:
63da8bd0c65e blackbox: guard against recursion from dirty check
timeless <timeless@mozdev.org>
parents: 28305
diff changeset
168 lastui = ui
63da8bd0c65e blackbox: guard against recursion from dirty check
timeless <timeless@mozdev.org>
parents: 28305
diff changeset
169 if ui._bbinlog:
63da8bd0c65e blackbox: guard against recursion from dirty check
timeless <timeless@mozdev.org>
parents: 28305
diff changeset
170 # recursion guard
63da8bd0c65e blackbox: guard against recursion from dirty check
timeless <timeless@mozdev.org>
parents: 28305
diff changeset
171 return
63da8bd0c65e blackbox: guard against recursion from dirty check
timeless <timeless@mozdev.org>
parents: 28305
diff changeset
172 try:
63da8bd0c65e blackbox: guard against recursion from dirty check
timeless <timeless@mozdev.org>
parents: 28305
diff changeset
173 ui._bbinlog = True
18669
18242716a014 blackbox: adds a blackbox extension
Durham Goode <durham@fb.com>
parents:
diff changeset
174 date = util.datestr(None, '%Y/%m/%d %H:%M:%S')
18787
f56278a0a0c5 blackbox: use util.getuser for portability
Bryan O'Sullivan <bryano@fb.com>
parents: 18786
diff changeset
175 user = util.getuser()
28027
14033c5dd261 util: enable getpid to be replaced
timeless <timeless@mozdev.org>
parents: 28026
diff changeset
176 pid = str(util.getpid())
18669
18242716a014 blackbox: adds a blackbox extension
Durham Goode <durham@fb.com>
parents:
diff changeset
177 formattedmsg = msg[0] % msg[1:]
28245
caa2a0c6fbb7 blackbox: log working directory version
timeless <timeless@mozdev.org>
parents: 28244
diff changeset
178 rev = '(unknown)'
28246
b862e793ec10 blackbox: log dirty state
timeless <timeless@mozdev.org>
parents: 28245
diff changeset
179 changed = ''
28248
851c41a21869 blackbox: properly replace ui class
timeless <timeless@mozdev.org>
parents: 28247
diff changeset
180 if ui._bbrepo:
28247
d2c0527af364 blackbox: store the blackbox ui object instead of the log file
timeless <timeless@mozdev.org>
parents: 28246
diff changeset
181 ctx = ui._bbrepo[None]
28304
6b38888ab033 blackbox: remove hexfn
timeless <timeless@mozdev.org>
parents: 28303
diff changeset
182 parents = ctx.parents()
6b38888ab033 blackbox: remove hexfn
timeless <timeless@mozdev.org>
parents: 28303
diff changeset
183 rev = ('+'.join([hex(p.node()) for p in parents]))
6b38888ab033 blackbox: remove hexfn
timeless <timeless@mozdev.org>
parents: 28303
diff changeset
184 if (ui.configbool('blackbox', 'dirty', False) and (
6b38888ab033 blackbox: remove hexfn
timeless <timeless@mozdev.org>
parents: 28303
diff changeset
185 any(ui._bbrepo.status()) or
6b38888ab033 blackbox: remove hexfn
timeless <timeless@mozdev.org>
parents: 28303
diff changeset
186 any(ctx.sub(s).dirty() for s in ctx.substate)
6b38888ab033 blackbox: remove hexfn
timeless <timeless@mozdev.org>
parents: 28303
diff changeset
187 )):
6b38888ab033 blackbox: remove hexfn
timeless <timeless@mozdev.org>
parents: 28303
diff changeset
188 changed = '+'
28305
f5ae291dfedf blackbox: optionally log event source
timeless <timeless@mozdev.org>
parents: 28304
diff changeset
189 if ui.configbool('blackbox', 'logsource', False):
f5ae291dfedf blackbox: optionally log event source
timeless <timeless@mozdev.org>
parents: 28304
diff changeset
190 src = ' [%s]' % event
f5ae291dfedf blackbox: optionally log event source
timeless <timeless@mozdev.org>
parents: 28304
diff changeset
191 else:
f5ae291dfedf blackbox: optionally log event source
timeless <timeless@mozdev.org>
parents: 28304
diff changeset
192 src = ''
18786
ed39a8f94e95 blackbox: prevent failed I/O from causing hg to abort
Bryan O'Sullivan <bryano@fb.com>
parents: 18676
diff changeset
193 try:
28305
f5ae291dfedf blackbox: optionally log event source
timeless <timeless@mozdev.org>
parents: 28304
diff changeset
194 ui._bbwrite('%s %s @%s%s (%s)%s> %s',
f5ae291dfedf blackbox: optionally log event source
timeless <timeless@mozdev.org>
parents: 28304
diff changeset
195 date, user, rev, changed, pid, src, formattedmsg)
25660
328739ea70c3 global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents: 25186
diff changeset
196 except IOError as err:
18786
ed39a8f94e95 blackbox: prevent failed I/O from causing hg to abort
Bryan O'Sullivan <bryano@fb.com>
parents: 18676
diff changeset
197 self.debug('warning: cannot write to blackbox.log: %s\n' %
ed39a8f94e95 blackbox: prevent failed I/O from causing hg to abort
Bryan O'Sullivan <bryano@fb.com>
parents: 18676
diff changeset
198 err.strerror)
28407
63da8bd0c65e blackbox: guard against recursion from dirty check
timeless <timeless@mozdev.org>
parents: 28305
diff changeset
199 finally:
63da8bd0c65e blackbox: guard against recursion from dirty check
timeless <timeless@mozdev.org>
parents: 28305
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._bbfp = None
28407
63da8bd0c65e blackbox: guard against recursion from dirty check
timeless <timeless@mozdev.org>
parents: 28305
diff changeset
204 self._bbinlog = False
28248
851c41a21869 blackbox: properly replace ui class
timeless <timeless@mozdev.org>
parents: 28247
diff changeset
205 self._bbrepo = repo
28026
a6db1163befa blackbox: refactor use of vfs as _bbvfs
timeless <timeless@mozdev.org>
parents: 28025
diff changeset
206 self._bbvfs = repo.vfs
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 ui.__class__ = blackboxui
28248
851c41a21869 blackbox: properly replace ui class
timeless <timeless@mozdev.org>
parents: 28247
diff changeset
209 uimod.ui = blackboxui
18669
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 uisetup(ui):
18242716a014 blackbox: adds a blackbox extension
Durham Goode <durham@fb.com>
parents:
diff changeset
212 wrapui(ui)
18242716a014 blackbox: adds a blackbox extension
Durham Goode <durham@fb.com>
parents:
diff changeset
213
18242716a014 blackbox: adds a blackbox extension
Durham Goode <durham@fb.com>
parents:
diff changeset
214 def reposetup(ui, repo):
18242716a014 blackbox: adds a blackbox extension
Durham Goode <durham@fb.com>
parents:
diff changeset
215 # 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
216 # 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
217 # the blackbox setup for it.
18242716a014 blackbox: adds a blackbox extension
Durham Goode <durham@fb.com>
parents:
diff changeset
218 if not repo.local():
18242716a014 blackbox: adds a blackbox extension
Durham Goode <durham@fb.com>
parents:
diff changeset
219 return
18242716a014 blackbox: adds a blackbox extension
Durham Goode <durham@fb.com>
parents:
diff changeset
220
19230
6d6f148cada9 blackbox: fix blackbox causing exceptions in tests
Durham Goode <durham@fb.com>
parents: 19162
diff changeset
221 if util.safehasattr(ui, 'setrepo'):
6d6f148cada9 blackbox: fix blackbox causing exceptions in tests
Durham Goode <durham@fb.com>
parents: 19162
diff changeset
222 ui.setrepo(repo)
18673
f27598902007 blackbox: adds a 'blackbox' command for viewing recent logs
Durham Goode <durham@fb.com>
parents: 18669
diff changeset
223
f27598902007 blackbox: adds a 'blackbox' command for viewing recent logs
Durham Goode <durham@fb.com>
parents: 18669
diff changeset
224 @command('^blackbox',
f27598902007 blackbox: adds a 'blackbox' command for viewing recent logs
Durham Goode <durham@fb.com>
parents: 18669
diff changeset
225 [('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
226 ],
f27598902007 blackbox: adds a 'blackbox' command for viewing recent logs
Durham Goode <durham@fb.com>
parents: 18669
diff changeset
227 _('hg blackbox [OPTION]...'))
f27598902007 blackbox: adds a 'blackbox' command for viewing recent logs
Durham Goode <durham@fb.com>
parents: 18669
diff changeset
228 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
229 '''view the recent repository events
f27598902007 blackbox: adds a 'blackbox' command for viewing recent logs
Durham Goode <durham@fb.com>
parents: 18669
diff changeset
230 '''
f27598902007 blackbox: adds a 'blackbox' command for viewing recent logs
Durham Goode <durham@fb.com>
parents: 18669
diff changeset
231
28026
a6db1163befa blackbox: refactor use of vfs as _bbvfs
timeless <timeless@mozdev.org>
parents: 28025
diff changeset
232 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
233 return
f27598902007 blackbox: adds a 'blackbox' command for viewing recent logs
Durham Goode <durham@fb.com>
parents: 18669
diff changeset
234
f27598902007 blackbox: adds a 'blackbox' command for viewing recent logs
Durham Goode <durham@fb.com>
parents: 18669
diff changeset
235 limit = opts.get('limit')
28244
c17d7b1c40be blackbox: rename fp variable
timeless <timeless@mozdev.org>
parents: 28243
diff changeset
236 fp = repo.vfs('blackbox.log', 'r')
c17d7b1c40be blackbox: rename fp variable
timeless <timeless@mozdev.org>
parents: 28243
diff changeset
237 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
238
f27598902007 blackbox: adds a 'blackbox' command for viewing recent logs
Durham Goode <durham@fb.com>
parents: 18669
diff changeset
239 count = 0
f27598902007 blackbox: adds a 'blackbox' command for viewing recent logs
Durham Goode <durham@fb.com>
parents: 18669
diff changeset
240 output = []
f27598902007 blackbox: adds a 'blackbox' command for viewing recent logs
Durham Goode <durham@fb.com>
parents: 18669
diff changeset
241 for line in reversed(lines):
f27598902007 blackbox: adds a 'blackbox' command for viewing recent logs
Durham Goode <durham@fb.com>
parents: 18669
diff changeset
242 if count >= limit:
f27598902007 blackbox: adds a 'blackbox' command for viewing recent logs
Durham Goode <durham@fb.com>
parents: 18669
diff changeset
243 break
f27598902007 blackbox: adds a 'blackbox' command for viewing recent logs
Durham Goode <durham@fb.com>
parents: 18669
diff changeset
244
f27598902007 blackbox: adds a 'blackbox' command for viewing recent logs
Durham Goode <durham@fb.com>
parents: 18669
diff changeset
245 # 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
246 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
247 count += 1
f27598902007 blackbox: adds a 'blackbox' command for viewing recent logs
Durham Goode <durham@fb.com>
parents: 18669
diff changeset
248 output.append(line)
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 ui.status('\n'.join(reversed(output)))