annotate hgext/journal.py @ 33923:e6d421566906

journal: do not use atomictemp (issue5338) Writing journal files using `atomictemp` leads to quadratic performance that could be problematic if automation runs many commands. Other logs like blackbox does not use atomictemp, and journal logs are not critical for repo correctness. So let's make them non-atomictemp. Differential Revision: https://phab.mercurial-scm.org/D517
author Jun Wu <quark@fb.com>
date Thu, 24 Aug 2017 21:43:54 -0700
parents 0407a51b9d8c
children 135edf120d76
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 # journal.py
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2 #
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3 # Copyright 2014-2016 Facebook, Inc.
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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 """track previous positions of bookmarks (EXPERIMENTAL)
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8
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9 This extension adds a new command: `hg journal`, which shows you where
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10 bookmarks were previously located.
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11
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12 """
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13
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14 from __future__ import absolute_import
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15
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16 import collections
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17 import errno
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18 import os
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19 import weakref
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20
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21 from mercurial.i18n import _
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22
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23 from mercurial import (
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24 bookmarks,
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25 cmdutil,
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26 dispatch,
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27 error,
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28 extensions,
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29 hg,
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30 localrepo,
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31 lock,
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32 node,
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33 registrar,
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34 util,
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35 )
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36
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37 from . import share
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38
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39 cmdtable = {}
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40 command = registrar.command(cmdtable)
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41
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42 # Note for extension authors: ONLY specify testedwith = 'ships-with-hg-core' for
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43 # extensions which SHIP WITH MERCURIAL. Non-mainline extensions should
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44 # be specifying the version(s) of Mercurial they are tested with, or
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45 # leave the attribute unspecified.
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46 testedwith = 'ships-with-hg-core'
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47
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48 # storage format version; increment when the format changes
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49 storageversion = 0
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50
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51 # namespaces
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52 bookmarktype = 'bookmark'
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53 wdirparenttype = 'wdirparent'
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54 # In a shared repository, what shared feature name is used
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55 # to indicate this namespace is shared with the source?
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56 sharednamespaces = {
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57 bookmarktype: hg.sharedbookmarks,
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58 }
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59
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60 # Journal recording, register hooks and storage object
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61 def extsetup(ui):
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62 extensions.wrapfunction(dispatch, 'runcommand', runcommand)
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63 extensions.wrapfunction(bookmarks.bmstore, '_write', recordbookmarks)
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64 extensions.wrapfilecache(
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65 localrepo.localrepository, 'dirstate', wrapdirstate)
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66 extensions.wrapfunction(hg, 'postshare', wrappostshare)
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67 extensions.wrapfunction(hg, 'copystore', unsharejournal)
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68
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69 def reposetup(ui, repo):
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70 if repo.local():
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71 repo.journal = journalstorage(repo)
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72 repo._wlockfreeprefix.add('namejournal')
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73
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74 dirstate, cached = localrepo.isfilecached(repo, 'dirstate')
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75 if cached:
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76 # already instantiated dirstate isn't yet marked as
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77 # "journal"-ing, even though repo.dirstate() was already
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78 # wrapped by own wrapdirstate()
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79 _setupdirstate(repo, dirstate)
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80
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81 def runcommand(orig, lui, repo, cmd, fullargs, *args):
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82 """Track the command line options for recording in the journal"""
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83 journalstorage.recordcommand(*fullargs)
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84 return orig(lui, repo, cmd, fullargs, *args)
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85
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86 def _setupdirstate(repo, dirstate):
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87 dirstate.journalstorage = repo.journal
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88 dirstate.addparentchangecallback('journal', recorddirstateparents)
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89
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90 # hooks to record dirstate changes
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91 def wrapdirstate(orig, repo):
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92 """Make journal storage available to the dirstate object"""
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93 dirstate = orig(repo)
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94 if util.safehasattr(repo, 'journal'):
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95 _setupdirstate(repo, dirstate)
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96 return dirstate
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97
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98 def recorddirstateparents(dirstate, old, new):
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99 """Records all dirstate parent changes in the journal."""
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100 old = list(old)
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101 new = list(new)
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102 if util.safehasattr(dirstate, 'journalstorage'):
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103 # only record two hashes if there was a merge
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104 oldhashes = old[:1] if old[1] == node.nullid else old
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105 newhashes = new[:1] if new[1] == node.nullid else new
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106 dirstate.journalstorage.record(
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107 wdirparenttype, '.', oldhashes, newhashes)
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108
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109 # hooks to record bookmark changes (both local and remote)
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110 def recordbookmarks(orig, store, fp):
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111 """Records all bookmark changes in the journal."""
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112 repo = store._repo
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113 if util.safehasattr(repo, 'journal'):
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114 oldmarks = bookmarks.bmstore(repo)
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115 for mark, value in store.iteritems():
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116 oldvalue = oldmarks.get(mark, node.nullid)
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117 if value != oldvalue:
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118 repo.journal.record(bookmarktype, mark, oldvalue, value)
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119 return orig(store, fp)
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120
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121 # shared repository support
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122 def _readsharedfeatures(repo):
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123 """A set of shared features for this repository"""
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124 try:
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125 return set(repo.vfs.read('shared').splitlines())
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126 except IOError as inst:
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127 if inst.errno != errno.ENOENT:
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128 raise
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129 return set()
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130
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131 def _mergeentriesiter(*iterables, **kwargs):
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132 """Given a set of sorted iterables, yield the next entry in merged order
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133
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134 Note that by default entries go from most recent to oldest.
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135 """
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136 order = kwargs.pop('order', max)
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137 iterables = [iter(it) for it in iterables]
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138 # this tracks still active iterables; iterables are deleted as they are
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139 # exhausted, which is why this is a dictionary and why each entry also
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140 # stores the key. Entries are mutable so we can store the next value each
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141 # time.
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142 iterable_map = {}
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143 for key, it in enumerate(iterables):
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144 try:
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145 iterable_map[key] = [next(it), key, it]
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146 except StopIteration:
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147 # empty entry, can be ignored
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148 pass
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149
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150 while iterable_map:
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151 value, key, it = order(iterable_map.itervalues())
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152 yield value
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153 try:
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154 iterable_map[key][0] = next(it)
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155 except StopIteration:
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156 # this iterable is empty, remove it from consideration
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157 del iterable_map[key]
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158
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159 def wrappostshare(orig, sourcerepo, destrepo, **kwargs):
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160 """Mark this shared working copy as sharing journal information"""
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161 with destrepo.wlock():
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162 orig(sourcerepo, destrepo, **kwargs)
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163 with destrepo.vfs('shared', 'a') as fp:
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164 fp.write('journal\n')
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165
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166 def unsharejournal(orig, ui, repo, repopath):
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167 """Copy shared journal entries into this repo when unsharing"""
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168 if (repo.path == repopath and repo.shared() and
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169 util.safehasattr(repo, 'journal')):
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170 sharedrepo = share._getsrcrepo(repo)
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171 sharedfeatures = _readsharedfeatures(repo)
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172 if sharedrepo and sharedfeatures > {'journal'}:
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173 # there is a shared repository and there are shared journal entries
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174 # to copy. move shared date over from source to destination but
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175 # move the local file first
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176 if repo.vfs.exists('namejournal'):
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177 journalpath = repo.vfs.join('namejournal')
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178 util.rename(journalpath, journalpath + '.bak')
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179 storage = repo.journal
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180 local = storage._open(
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181 repo.vfs, filename='namejournal.bak', _newestfirst=False)
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182 shared = (
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183 e for e in storage._open(sharedrepo.vfs, _newestfirst=False)
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184 if sharednamespaces.get(e.namespace) in sharedfeatures)
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185 for entry in _mergeentriesiter(local, shared, order=min):
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186 storage._write(repo.vfs, entry)
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187
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188 return orig(ui, repo, repopath)
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189
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190 class journalentry(collections.namedtuple(
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191 u'journalentry',
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192 u'timestamp user command namespace name oldhashes newhashes')):
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193 """Individual journal entry
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194
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195 * timestamp: a mercurial (time, timezone) tuple
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196 * user: the username that ran the command
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197 * namespace: the entry namespace, an opaque string
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198 * name: the name of the changed item, opaque string with meaning in the
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199 namespace
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200 * command: the hg command that triggered this record
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201 * oldhashes: a tuple of one or more binary hashes for the old location
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202 * newhashes: a tuple of one or more binary hashes for the new location
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203
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204 Handles serialisation from and to the storage format. Fields are
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205 separated by newlines, hashes are written out in hex separated by commas,
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206 timestamp and timezone are separated by a space.
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207
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208 """
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209 @classmethod
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210 def fromstorage(cls, line):
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211 (time, user, command, namespace, name,
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212 oldhashes, newhashes) = line.split('\n')
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213 timestamp, tz = time.split()
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214 timestamp, tz = float(timestamp), int(tz)
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215 oldhashes = tuple(node.bin(hash) for hash in oldhashes.split(','))
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216 newhashes = tuple(node.bin(hash) for hash in newhashes.split(','))
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217 return cls(
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218 (timestamp, tz), user, command, namespace, name,
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219 oldhashes, newhashes)
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220
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221 def __str__(self):
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222 """String representation for storage"""
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223 time = ' '.join(map(str, self.timestamp))
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224 oldhashes = ','.join([node.hex(hash) for hash in self.oldhashes])
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225 newhashes = ','.join([node.hex(hash) for hash in self.newhashes])
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226 return '\n'.join((
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227 time, self.user, self.command, self.namespace, self.name,
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228 oldhashes, newhashes))
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229
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230 class journalstorage(object):
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231 """Storage for journal entries
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232
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233 Entries are divided over two files; one with entries that pertain to the
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234 local working copy *only*, and one with entries that are shared across
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235 multiple working copies when shared using the share extension.
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236
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237 Entries are stored with NUL bytes as separators. See the journalentry
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238 class for the per-entry structure.
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239
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240 The file format starts with an integer version, delimited by a NUL.
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241
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242 This storage uses a dedicated lock; this makes it easier to avoid issues
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243 with adding entries that added when the regular wlock is unlocked (e.g.
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244 the dirstate).
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245
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246 """
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247 _currentcommand = ()
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248 _lockref = None
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249
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250 def __init__(self, repo):
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251 self.user = util.getuser()
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252 self.ui = repo.ui
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253 self.vfs = repo.vfs
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254
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255 # is this working copy using a shared storage?
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256 self.sharedfeatures = self.sharedvfs = None
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diff changeset
257 if repo.shared():
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258 features = _readsharedfeatures(repo)
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259 sharedrepo = share._getsrcrepo(repo)
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260 if sharedrepo is not None and 'journal' in features:
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261 self.sharedvfs = sharedrepo.vfs
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262 self.sharedfeatures = features
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263
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264 # track the current command for recording in journal entries
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diff changeset
265 @property
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266 def command(self):
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267 commandstr = ' '.join(
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268 map(util.shellquote, journalstorage._currentcommand))
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parents:
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269 if '\n' in commandstr:
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parents:
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270 # truncate multi-line commands
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271 commandstr = commandstr.partition('\n')[0] + ' ...'
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272 return commandstr
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273
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274 @classmethod
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275 def recordcommand(cls, *fullargs):
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276 """Set the current hg arguments, stored with recorded entries"""
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277 # Set the current command on the class because we may have started
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parents:
diff changeset
278 # with a non-local repo (cloning for example).
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279 cls._currentcommand = fullargs
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280
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diff changeset
281 def _currentlock(self, lockref):
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282 """Returns the lock if it's held, or None if it's not.
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283
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284 (This is copied from the localrepo class)
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285 """
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diff changeset
286 if lockref is None:
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287 return None
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diff changeset
288 l = lockref()
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diff changeset
289 if l is None or not l.held:
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290 return None
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diff changeset
291 return l
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diff changeset
292
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293 def jlock(self, vfs):
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294 """Create a lock for the journal file"""
29928
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295 if self._currentlock(self._lockref) is not None:
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296 raise error.Abort(_('journal lock does not support nesting'))
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297 desc = _('journal of %s') % vfs.base
29502
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Martijn Pieters <mjpieters@fb.com>
parents: 29443
diff changeset
298 try:
29870
6d11ae3c4c4b journal: rename on disk files to 'namejournal'
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 29841
diff changeset
299 l = lock.lock(vfs, 'namejournal.lock', 0, desc=desc)
29502
8361131b4768 journal: add dirstate tracking
Martijn Pieters <mjpieters@fb.com>
parents: 29443
diff changeset
300 except error.LockHeld as inst:
8361131b4768 journal: add dirstate tracking
Martijn Pieters <mjpieters@fb.com>
parents: 29443
diff changeset
301 self.ui.warn(
8361131b4768 journal: add dirstate tracking
Martijn Pieters <mjpieters@fb.com>
parents: 29443
diff changeset
302 _("waiting for lock on %s held by %r\n") % (desc, inst.locker))
8361131b4768 journal: add dirstate tracking
Martijn Pieters <mjpieters@fb.com>
parents: 29443
diff changeset
303 # default to 600 seconds timeout
8361131b4768 journal: add dirstate tracking
Martijn Pieters <mjpieters@fb.com>
parents: 29443
diff changeset
304 l = lock.lock(
29870
6d11ae3c4c4b journal: rename on disk files to 'namejournal'
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 29841
diff changeset
305 vfs, 'namejournal.lock',
33499
0407a51b9d8c codemod: register core configitems using a script
Jun Wu <quark@fb.com>
parents: 33436
diff changeset
306 int(self.ui.config("ui", "timeout")), desc=desc)
29502
8361131b4768 journal: add dirstate tracking
Martijn Pieters <mjpieters@fb.com>
parents: 29443
diff changeset
307 self.ui.warn(_("got lock after %s seconds\n") % l.delay)
8361131b4768 journal: add dirstate tracking
Martijn Pieters <mjpieters@fb.com>
parents: 29443
diff changeset
308 self._lockref = weakref.ref(l)
8361131b4768 journal: add dirstate tracking
Martijn Pieters <mjpieters@fb.com>
parents: 29443
diff changeset
309 return l
8361131b4768 journal: add dirstate tracking
Martijn Pieters <mjpieters@fb.com>
parents: 29443
diff changeset
310
29443
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
311 def record(self, namespace, name, oldhashes, newhashes):
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
312 """Record a new journal entry
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
313
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
314 * namespace: an opaque string; this can be used to filter on the type
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
315 of recorded entries.
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
316 * name: the name defining this entry; for bookmarks, this is the
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
317 bookmark name. Can be filtered on when retrieving entries.
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
318 * oldhashes and newhashes: each a single binary hash, or a list of
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
319 binary hashes. These represent the old and new position of the named
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
320 item.
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
321
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
322 """
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
323 if not isinstance(oldhashes, list):
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
324 oldhashes = [oldhashes]
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
325 if not isinstance(newhashes, list):
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
326 newhashes = [newhashes]
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
327
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
328 entry = journalentry(
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
329 util.makedate(), self.user, self.command, namespace, name,
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
330 oldhashes, newhashes)
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
331
29503
0103b673d6ca journal: add share extension support
Martijn Pieters <mjpieters@fb.com>
parents: 29502
diff changeset
332 vfs = self.vfs
0103b673d6ca journal: add share extension support
Martijn Pieters <mjpieters@fb.com>
parents: 29502
diff changeset
333 if self.sharedvfs is not None:
0103b673d6ca journal: add share extension support
Martijn Pieters <mjpieters@fb.com>
parents: 29502
diff changeset
334 # write to the shared repository if this feature is being
0103b673d6ca journal: add share extension support
Martijn Pieters <mjpieters@fb.com>
parents: 29502
diff changeset
335 # shared between working copies.
0103b673d6ca journal: add share extension support
Martijn Pieters <mjpieters@fb.com>
parents: 29502
diff changeset
336 if sharednamespaces.get(namespace) in self.sharedfeatures:
0103b673d6ca journal: add share extension support
Martijn Pieters <mjpieters@fb.com>
parents: 29502
diff changeset
337 vfs = self.sharedvfs
0103b673d6ca journal: add share extension support
Martijn Pieters <mjpieters@fb.com>
parents: 29502
diff changeset
338
0103b673d6ca journal: add share extension support
Martijn Pieters <mjpieters@fb.com>
parents: 29502
diff changeset
339 self._write(vfs, entry)
0103b673d6ca journal: add share extension support
Martijn Pieters <mjpieters@fb.com>
parents: 29502
diff changeset
340
0103b673d6ca journal: add share extension support
Martijn Pieters <mjpieters@fb.com>
parents: 29502
diff changeset
341 def _write(self, vfs, entry):
0103b673d6ca journal: add share extension support
Martijn Pieters <mjpieters@fb.com>
parents: 29502
diff changeset
342 with self.jlock(vfs):
29443
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
343 version = None
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
344 # open file in amend mode to ensure it is created if missing
33923
e6d421566906 journal: do not use atomictemp (issue5338)
Jun Wu <quark@fb.com>
parents: 33499
diff changeset
345 with vfs('namejournal', mode='a+b') as f:
29443
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
346 f.seek(0, os.SEEK_SET)
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
347 # Read just enough bytes to get a version number (up to 2
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
348 # digits plus separator)
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
349 version = f.read(3).partition('\0')[0]
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
350 if version and version != str(storageversion):
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
351 # different version of the storage. Exit early (and not
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
352 # write anything) if this is not a version we can handle or
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
353 # the file is corrupt. In future, perhaps rotate the file
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
354 # instead?
29502
8361131b4768 journal: add dirstate tracking
Martijn Pieters <mjpieters@fb.com>
parents: 29443
diff changeset
355 self.ui.warn(
29443
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
356 _("unsupported journal file version '%s'\n") % version)
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
357 return
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
358 if not version:
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
359 # empty file, write version first
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
360 f.write(str(storageversion) + '\0')
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
361 f.seek(0, os.SEEK_END)
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
362 f.write(str(entry) + '\0')
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
363
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
364 def filtered(self, namespace=None, name=None):
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
365 """Yield all journal entries with the given namespace or name
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
366
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
367 Both the namespace and the name are optional; if neither is given all
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
368 entries in the journal are produced.
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
369
29504
7503d8874617 journal: add support for seaching by pattern
Martijn Pieters <mjpieters@fb.com>
parents: 29503
diff changeset
370 Matching supports regular expressions by using the `re:` prefix
7503d8874617 journal: add support for seaching by pattern
Martijn Pieters <mjpieters@fb.com>
parents: 29503
diff changeset
371 (use `literal:` to match names or namespaces that start with `re:`)
7503d8874617 journal: add support for seaching by pattern
Martijn Pieters <mjpieters@fb.com>
parents: 29503
diff changeset
372
29443
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
373 """
29504
7503d8874617 journal: add support for seaching by pattern
Martijn Pieters <mjpieters@fb.com>
parents: 29503
diff changeset
374 if namespace is not None:
7503d8874617 journal: add support for seaching by pattern
Martijn Pieters <mjpieters@fb.com>
parents: 29503
diff changeset
375 namespace = util.stringmatcher(namespace)[-1]
7503d8874617 journal: add support for seaching by pattern
Martijn Pieters <mjpieters@fb.com>
parents: 29503
diff changeset
376 if name is not None:
7503d8874617 journal: add support for seaching by pattern
Martijn Pieters <mjpieters@fb.com>
parents: 29503
diff changeset
377 name = util.stringmatcher(name)[-1]
29443
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
378 for entry in self:
29504
7503d8874617 journal: add support for seaching by pattern
Martijn Pieters <mjpieters@fb.com>
parents: 29503
diff changeset
379 if namespace is not None and not namespace(entry.namespace):
29443
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
380 continue
29504
7503d8874617 journal: add support for seaching by pattern
Martijn Pieters <mjpieters@fb.com>
parents: 29503
diff changeset
381 if name is not None and not name(entry.name):
29443
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
382 continue
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
383 yield entry
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
384
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
385 def __iter__(self):
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
386 """Iterate over the storage
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
387
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
388 Yields journalentry instances for each contained journal record.
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
389
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
390 """
29503
0103b673d6ca journal: add share extension support
Martijn Pieters <mjpieters@fb.com>
parents: 29502
diff changeset
391 local = self._open(self.vfs)
0103b673d6ca journal: add share extension support
Martijn Pieters <mjpieters@fb.com>
parents: 29502
diff changeset
392
0103b673d6ca journal: add share extension support
Martijn Pieters <mjpieters@fb.com>
parents: 29502
diff changeset
393 if self.sharedvfs is None:
0103b673d6ca journal: add share extension support
Martijn Pieters <mjpieters@fb.com>
parents: 29502
diff changeset
394 return local
0103b673d6ca journal: add share extension support
Martijn Pieters <mjpieters@fb.com>
parents: 29502
diff changeset
395
0103b673d6ca journal: add share extension support
Martijn Pieters <mjpieters@fb.com>
parents: 29502
diff changeset
396 # iterate over both local and shared entries, but only those
0103b673d6ca journal: add share extension support
Martijn Pieters <mjpieters@fb.com>
parents: 29502
diff changeset
397 # shared entries that are among the currently shared features
0103b673d6ca journal: add share extension support
Martijn Pieters <mjpieters@fb.com>
parents: 29502
diff changeset
398 shared = (
0103b673d6ca journal: add share extension support
Martijn Pieters <mjpieters@fb.com>
parents: 29502
diff changeset
399 e for e in self._open(self.sharedvfs)
0103b673d6ca journal: add share extension support
Martijn Pieters <mjpieters@fb.com>
parents: 29502
diff changeset
400 if sharednamespaces.get(e.namespace) in self.sharedfeatures)
0103b673d6ca journal: add share extension support
Martijn Pieters <mjpieters@fb.com>
parents: 29502
diff changeset
401 return _mergeentriesiter(local, shared)
0103b673d6ca journal: add share extension support
Martijn Pieters <mjpieters@fb.com>
parents: 29502
diff changeset
402
29870
6d11ae3c4c4b journal: rename on disk files to 'namejournal'
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 29841
diff changeset
403 def _open(self, vfs, filename='namejournal', _newestfirst=True):
29503
0103b673d6ca journal: add share extension support
Martijn Pieters <mjpieters@fb.com>
parents: 29502
diff changeset
404 if not vfs.exists(filename):
29443
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
405 return
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
406
29503
0103b673d6ca journal: add share extension support
Martijn Pieters <mjpieters@fb.com>
parents: 29502
diff changeset
407 with vfs(filename) as f:
29443
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
408 raw = f.read()
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
409
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
410 lines = raw.split('\0')
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
411 version = lines and lines[0]
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
412 if version != str(storageversion):
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
413 version = version or _('not available')
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
414 raise error.Abort(_("unknown journal file version '%s'") % version)
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
415
29503
0103b673d6ca journal: add share extension support
Martijn Pieters <mjpieters@fb.com>
parents: 29502
diff changeset
416 # Skip the first line, it's a version number. Normally we iterate over
0103b673d6ca journal: add share extension support
Martijn Pieters <mjpieters@fb.com>
parents: 29502
diff changeset
417 # these in reverse order to list newest first; only when copying across
0103b673d6ca journal: add share extension support
Martijn Pieters <mjpieters@fb.com>
parents: 29502
diff changeset
418 # a shared storage do we forgo reversing.
0103b673d6ca journal: add share extension support
Martijn Pieters <mjpieters@fb.com>
parents: 29502
diff changeset
419 lines = lines[1:]
0103b673d6ca journal: add share extension support
Martijn Pieters <mjpieters@fb.com>
parents: 29502
diff changeset
420 if _newestfirst:
0103b673d6ca journal: add share extension support
Martijn Pieters <mjpieters@fb.com>
parents: 29502
diff changeset
421 lines = reversed(lines)
29443
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
422 for line in lines:
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
423 if not line:
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
424 continue
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
425 yield journalentry.fromstorage(line)
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
426
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
427 # journal reading
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
428 # log options that don't make sense for journal
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
429 _ignoreopts = ('no-merges', 'graph')
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
430 @command(
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
431 'journal', [
29502
8361131b4768 journal: add dirstate tracking
Martijn Pieters <mjpieters@fb.com>
parents: 29443
diff changeset
432 ('', 'all', None, 'show history for all names'),
29443
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
433 ('c', 'commits', None, 'show commit metadata'),
32375
04baab18d60a commands: move templates of common command options to cmdutil (API)
Yuya Nishihara <yuya@tcha.org>
parents: 32337
diff changeset
434 ] + [opt for opt in cmdutil.logopts if opt[1] not in _ignoreopts],
29443
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
435 '[OPTION]... [BOOKMARKNAME]')
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
436 def journal(ui, repo, *args, **opts):
29502
8361131b4768 journal: add dirstate tracking
Martijn Pieters <mjpieters@fb.com>
parents: 29443
diff changeset
437 """show the previous position of bookmarks and the working copy
29443
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
438
29502
8361131b4768 journal: add dirstate tracking
Martijn Pieters <mjpieters@fb.com>
parents: 29443
diff changeset
439 The journal is used to see the previous commits that bookmarks and the
8361131b4768 journal: add dirstate tracking
Martijn Pieters <mjpieters@fb.com>
parents: 29443
diff changeset
440 working copy pointed to. By default the previous locations for the working
8361131b4768 journal: add dirstate tracking
Martijn Pieters <mjpieters@fb.com>
parents: 29443
diff changeset
441 copy. Passing a bookmark name will show all the previous positions of
8361131b4768 journal: add dirstate tracking
Martijn Pieters <mjpieters@fb.com>
parents: 29443
diff changeset
442 that bookmark. Use the --all switch to show previous locations for all
8361131b4768 journal: add dirstate tracking
Martijn Pieters <mjpieters@fb.com>
parents: 29443
diff changeset
443 bookmarks and the working copy; each line will then include the bookmark
8361131b4768 journal: add dirstate tracking
Martijn Pieters <mjpieters@fb.com>
parents: 29443
diff changeset
444 name, or '.' for the working copy, as well.
29443
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
445
29504
7503d8874617 journal: add support for seaching by pattern
Martijn Pieters <mjpieters@fb.com>
parents: 29503
diff changeset
446 If `name` starts with `re:`, the remainder of the name is treated as
7503d8874617 journal: add support for seaching by pattern
Martijn Pieters <mjpieters@fb.com>
parents: 29503
diff changeset
447 a regular expression. To match a name that actually starts with `re:`,
7503d8874617 journal: add support for seaching by pattern
Martijn Pieters <mjpieters@fb.com>
parents: 29503
diff changeset
448 use the prefix `literal:`.
7503d8874617 journal: add support for seaching by pattern
Martijn Pieters <mjpieters@fb.com>
parents: 29503
diff changeset
449
29443
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
450 By default hg journal only shows the commit hash and the command that was
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
451 running at that time. -v/--verbose will show the prior hash, the user, and
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
452 the time at which it happened.
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
453
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
454 Use -c/--commits to output log information on each commit hash; at this
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
455 point you can use the usual `--patch`, `--git`, `--stat` and `--template`
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
456 switches to alter the log output for these.
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
457
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
458 `hg journal -T json` can be used to produce machine readable output.
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
459
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
460 """
29502
8361131b4768 journal: add dirstate tracking
Martijn Pieters <mjpieters@fb.com>
parents: 29443
diff changeset
461 name = '.'
8361131b4768 journal: add dirstate tracking
Martijn Pieters <mjpieters@fb.com>
parents: 29443
diff changeset
462 if opts.get('all'):
8361131b4768 journal: add dirstate tracking
Martijn Pieters <mjpieters@fb.com>
parents: 29443
diff changeset
463 if args:
8361131b4768 journal: add dirstate tracking
Martijn Pieters <mjpieters@fb.com>
parents: 29443
diff changeset
464 raise error.Abort(
8361131b4768 journal: add dirstate tracking
Martijn Pieters <mjpieters@fb.com>
parents: 29443
diff changeset
465 _("You can't combine --all and filtering on a name"))
8361131b4768 journal: add dirstate tracking
Martijn Pieters <mjpieters@fb.com>
parents: 29443
diff changeset
466 name = None
29443
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
467 if args:
29502
8361131b4768 journal: add dirstate tracking
Martijn Pieters <mjpieters@fb.com>
parents: 29443
diff changeset
468 name = args[0]
29443
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
469
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
470 fm = ui.formatter('journal', opts)
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
471
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
472 if opts.get("template") != "json":
29502
8361131b4768 journal: add dirstate tracking
Martijn Pieters <mjpieters@fb.com>
parents: 29443
diff changeset
473 if name is None:
8361131b4768 journal: add dirstate tracking
Martijn Pieters <mjpieters@fb.com>
parents: 29443
diff changeset
474 displayname = _('the working copy and bookmarks')
29443
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
475 else:
29502
8361131b4768 journal: add dirstate tracking
Martijn Pieters <mjpieters@fb.com>
parents: 29443
diff changeset
476 displayname = "'%s'" % name
8361131b4768 journal: add dirstate tracking
Martijn Pieters <mjpieters@fb.com>
parents: 29443
diff changeset
477 ui.status(_("previous locations of %s:\n") % displayname)
29443
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
478
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
479 limit = cmdutil.loglimit(opts)
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
480 entry = None
29502
8361131b4768 journal: add dirstate tracking
Martijn Pieters <mjpieters@fb.com>
parents: 29443
diff changeset
481 for count, entry in enumerate(repo.journal.filtered(name=name)):
29443
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
482 if count == limit:
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
483 break
29677
69890b5dd32b journal: use fm.formatlist() to pass hashes in appropriate type (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 29675
diff changeset
484 newhashesstr = fm.formatlist(map(fm.hexfunc, entry.newhashes),
69890b5dd32b journal: use fm.formatlist() to pass hashes in appropriate type (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 29675
diff changeset
485 name='node', sep=',')
69890b5dd32b journal: use fm.formatlist() to pass hashes in appropriate type (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 29675
diff changeset
486 oldhashesstr = fm.formatlist(map(fm.hexfunc, entry.oldhashes),
69890b5dd32b journal: use fm.formatlist() to pass hashes in appropriate type (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 29675
diff changeset
487 name='node', sep=',')
29443
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
488
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
489 fm.startitem()
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
490 fm.condwrite(ui.verbose, 'oldhashes', '%s -> ', oldhashesstr)
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
491 fm.write('newhashes', '%s', newhashesstr)
29502
8361131b4768 journal: add dirstate tracking
Martijn Pieters <mjpieters@fb.com>
parents: 29443
diff changeset
492 fm.condwrite(ui.verbose, 'user', ' %-8s', entry.user)
29504
7503d8874617 journal: add support for seaching by pattern
Martijn Pieters <mjpieters@fb.com>
parents: 29503
diff changeset
493 fm.condwrite(
7503d8874617 journal: add support for seaching by pattern
Martijn Pieters <mjpieters@fb.com>
parents: 29503
diff changeset
494 opts.get('all') or name.startswith('re:'),
7503d8874617 journal: add support for seaching by pattern
Martijn Pieters <mjpieters@fb.com>
parents: 29503
diff changeset
495 'name', ' %-8s', entry.name)
29443
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
496
29679
e54bdd3aa23b journal: use fm.formatdate() to pass date tuple in appropriate type (BC)
Yuya Nishihara <yuya@tcha.org>
parents: 29677
diff changeset
497 timestring = fm.formatdate(entry.timestamp, '%Y-%m-%d %H:%M %1%2')
29443
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
498 fm.condwrite(ui.verbose, 'date', ' %s', timestring)
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
499 fm.write('command', ' %s\n', entry.command)
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
500
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
501 if opts.get("commits"):
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
502 displayer = cmdutil.show_changeset(ui, repo, opts, buffered=False)
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
503 for hash in entry.newhashes:
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
504 try:
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
505 ctx = repo[hash]
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
506 displayer.show(ctx)
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
507 except error.RepoLookupError as e:
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
508 fm.write('repolookuperror', "%s\n\n", str(e))
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
509 displayer.close()
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
510
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
511 fm.end()
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
512
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
513 if entry is None:
cf092a3d202a journal: new experimental extension
Martijn Pieters <mjpieters@fb.com>
parents:
diff changeset
514 ui.status(_("no recorded locations\n"))