Mercurial > hg
annotate hgext/share.py @ 26362:3bfc473f4d33
gitweb, monoblue: fix vertical align of spans in .sourcelines
Empty lines in file view could produce an inexplicable margin before the next
line (most noticeable in browsers on webkit/blink engine). That was making
empty lines seem taller than the rest.
Instead of using default vertical align, let's set it to 'top'.
This issue is actually present in paper, and only recently got into gitweb
(2239626369f5) and monoblue (119202d4d7a4). There's a bit more to it in paper,
so that will be dealt with in a future patch.
Recipe to see live: preferably using a webkit/blink browser, such as chromium,
browse a file with empty lines, e.g. https://selenic.com/hg/file/3.5/README#l8
Selecting a block of text that includes empty lines will reveal white "breaks"
in the selection. Highlighted line (#l8) also shows such a break below itself.
author | Anton Shestakov <av6@dwimlabs.net> |
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date | Fri, 25 Sep 2015 03:02:38 +0800 |
parents | bf3d10f0c34a |
children | 56b2bcea2529 |
rev | line source |
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1 # Copyright 2006, 2007 Matt Mackall <mpm@selenic.com> |
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2 # |
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3 # This software may be used and distributed according to the terms of the |
10263 | 4 # GNU General Public License version 2 or any later version. |
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5 |
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6 '''share a common history between several working directories |
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7 |
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8 Automatic Pooled Storage for Clones |
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9 ----------------------------------- |
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10 |
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11 When this extension is active, :hg:`clone` can be configured to |
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12 automatically share/pool storage across multiple clones. This |
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13 mode effectively converts :hg:`clone` to :hg:`clone` + :hg:`share`. |
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14 The benefit of using this mode is the automatic management of |
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15 store paths and intelligent pooling of related repositories. |
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16 |
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17 The following ``share.`` config options influence this feature: |
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18 |
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19 ``share.pool`` |
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20 Filesystem path where shared repository data will be stored. When |
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21 defined, :hg:`clone` will automatically use shared repository |
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22 storage instead of creating a store inside each clone. |
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23 |
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24 ``share.poolnaming`` |
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25 How directory names in ``share.pool`` are constructed. |
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26 |
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27 "identity" means the name is derived from the first changeset in the |
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28 repository. In this mode, different remotes share storage if their |
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29 root/initial changeset is identical. In this mode, the local shared |
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30 repository is an aggregate of all encountered remote repositories. |
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31 |
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32 "remote" means the name is derived from the source repository's |
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33 path or URL. In this mode, storage is only shared if the path or URL |
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34 requested in the :hg:`clone` command matches exactly to a repository |
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35 that was cloned before. |
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36 |
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37 The default naming mode is "identity." |
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38 ''' |
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39 |
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40 from mercurial.i18n import _ |
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41 from mercurial import cmdutil, commands, hg, util, extensions, bookmarks |
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42 from mercurial.hg import repository, parseurl |
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43 import errno |
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44 |
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45 cmdtable = {} |
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46 command = cmdutil.command(cmdtable) |
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47 # Note for extension authors: ONLY specify testedwith = 'internal' for |
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48 # extensions which SHIP WITH MERCURIAL. Non-mainline extensions should |
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49 # be specifying the version(s) of Mercurial they are tested with, or |
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50 # leave the attribute unspecified. |
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51 testedwith = 'internal' |
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52 |
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53 @command('share', |
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54 [('U', 'noupdate', None, _('do not create a working directory')), |
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55 ('B', 'bookmarks', None, _('also share bookmarks'))], |
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56 _('[-U] [-B] SOURCE [DEST]'), |
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57 norepo=True) |
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58 def share(ui, source, dest=None, noupdate=False, bookmarks=False): |
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59 """create a new shared repository |
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60 |
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61 Initialize a new repository and working directory that shares its |
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62 history (and optionally bookmarks) with another repository. |
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63 |
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65 |
12389 | 66 using rollback or extensions that destroy/modify history (mq, |
67 rebase, etc.) can cause considerable confusion with shared | |
68 clones. In particular, if two shared clones are both updated to | |
69 the same changeset, and one of them destroys that changeset | |
70 with rollback, the other clone will suddenly stop working: all | |
71 operations will fail with "abort: working directory has unknown | |
72 parent". The only known workaround is to use debugsetparents on | |
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73 the broken clone to reset it to a changeset that still exists. |
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74 """ |
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75 |
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76 return hg.share(ui, source, dest, not noupdate, bookmarks) |
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77 |
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78 @command('unshare', [], '') |
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79 def unshare(ui, repo): |
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80 """convert a shared repository to a normal one |
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81 |
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82 Copy the store data to the repo and remove the sharedpath data. |
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83 """ |
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84 |
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85 if not repo.shared(): |
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86 raise util.Abort(_("this is not a shared repo")) |
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87 |
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88 destlock = lock = None |
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89 lock = repo.lock() |
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90 try: |
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91 # we use locks here because if we race with commit, we |
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92 # can end up with extra data in the cloned revlogs that's |
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93 # not pointed to by changesets, thus causing verify to |
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94 # fail |
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95 |
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96 destlock = hg.copystore(ui, repo, repo.path) |
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97 |
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98 sharefile = repo.join('sharedpath') |
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99 util.rename(sharefile, sharefile + '.old') |
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100 |
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101 repo.requirements.discard('sharedpath') |
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102 repo._writerequirements() |
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103 finally: |
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104 destlock and destlock.release() |
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105 lock and lock.release() |
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106 |
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107 # update store, spath, svfs and sjoin of repo |
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108 repo.unfiltered().__init__(repo.baseui, repo.root) |
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109 |
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110 # Wrap clone command to pass auto share options. |
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111 def clone(orig, ui, source, *args, **opts): |
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112 pool = ui.config('share', 'pool', None) |
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113 if pool: |
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114 pool = util.expandpath(pool) |
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115 |
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116 opts['shareopts'] = dict( |
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117 pool=pool, |
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118 mode=ui.config('share', 'poolnaming', 'identity'), |
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119 ) |
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120 |
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121 return orig(ui, source, *args, **opts) |
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122 |
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123 def extsetup(ui): |
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124 extensions.wrapfunction(bookmarks.bmstore, 'getbkfile', getbkfile) |
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125 extensions.wrapfunction(bookmarks.bmstore, 'recordchange', recordchange) |
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126 extensions.wrapfunction(bookmarks.bmstore, 'write', write) |
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127 extensions.wrapcommand(commands.table, 'clone', clone) |
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128 |
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129 def _hassharedbookmarks(repo): |
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130 """Returns whether this repo has shared bookmarks""" |
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131 try: |
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132 shared = repo.vfs.read('shared').splitlines() |
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133 except IOError as inst: |
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134 if inst.errno != errno.ENOENT: |
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135 raise |
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136 return False |
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137 return 'bookmarks' in shared |
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138 |
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139 def _getsrcrepo(repo): |
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140 """ |
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141 Returns the source repository object for a given shared repository. |
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142 If repo is not a shared repository, return None. |
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143 """ |
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144 if repo.sharedpath == repo.path: |
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145 return None |
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146 |
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147 # the sharedpath always ends in the .hg; we want the path to the repo |
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148 source = repo.vfs.split(repo.sharedpath)[0] |
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149 srcurl, branches = parseurl(source) |
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150 return repository(repo.ui, srcurl) |
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151 |
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152 def getbkfile(orig, self, repo): |
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153 if _hassharedbookmarks(repo): |
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154 srcrepo = _getsrcrepo(repo) |
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155 if srcrepo is not None: |
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156 repo = srcrepo |
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157 return orig(self, repo) |
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158 |
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159 def recordchange(orig, self, tr): |
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160 # Continue with write to local bookmarks file as usual |
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161 orig(self, tr) |
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162 |
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163 if _hassharedbookmarks(self._repo): |
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164 srcrepo = _getsrcrepo(self._repo) |
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165 if srcrepo is not None: |
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166 category = 'share-bookmarks' |
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167 tr.addpostclose(category, lambda tr: self._writerepo(srcrepo)) |
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168 |
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169 def write(orig, self): |
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170 # First write local bookmarks file in case we ever unshare |
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171 orig(self) |
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172 if _hassharedbookmarks(self._repo): |
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173 srcrepo = _getsrcrepo(self._repo) |
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174 if srcrepo is not None: |
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175 self._writerepo(srcrepo) |