Mercurial > hg
annotate hgext/fetch.py @ 22984:e0b5f5e3afe8
histedit: move locks into state
Allow action functions to control the locks. This is necessary for
an implementation of x/exec or similar.
author | David Soria Parra <davidsp@fb.com> |
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date | Wed, 15 Oct 2014 08:38:36 -0700 |
parents | 6ea41d41aba1 |
children | f1eaf03dd608 |
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1 # fetch.py - pull and merge remote changes |
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2 # |
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3 # Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com> |
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4 # |
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5 # This software may be used and distributed according to the terms of the |
10263 | 6 # GNU General Public License version 2 or any later version. |
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7 |
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8 '''pull, update and merge in one command (DEPRECATED)''' |
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9 |
3891 | 10 from mercurial.i18n import _ |
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11 from mercurial.node import short |
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12 from mercurial import commands, cmdutil, hg, util, error |
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13 from mercurial.lock import release |
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14 from mercurial import exchange |
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15 |
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16 cmdtable = {} |
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17 command = cmdutil.command(cmdtable) |
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18 testedwith = 'internal' |
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19 |
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20 @command('fetch', |
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21 [('r', 'rev', [], |
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22 _('a specific revision you would like to pull'), _('REV')), |
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23 ('e', 'edit', None, _('invoke editor on commit messages')), |
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24 ('', 'force-editor', None, _('edit commit message (DEPRECATED)')), |
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25 ('', 'switch-parent', None, _('switch parents when merging')), |
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26 ] + commands.commitopts + commands.commitopts2 + commands.remoteopts, |
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27 _('hg fetch [SOURCE]')) |
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28 def fetch(ui, repo, source='default', **opts): |
7598 | 29 '''pull changes from a remote repository, merge new changes if needed. |
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30 |
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31 This finds all changes from the repository at the specified path |
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32 or URL and adds them to the local repository. |
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33 |
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34 If the pulled changes add a new branch head, the head is |
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35 automatically merged, and the result of the merge is committed. |
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36 Otherwise, the working directory is updated to include the new |
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37 changes. |
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38 |
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39 When a merge is needed, the working directory is first updated to |
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40 the newly pulled changes. Local changes are then merged into the |
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41 pulled changes. To switch the merge order, use --switch-parent. |
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42 |
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43 See :hg:`help dates` for a list of formats valid for -d/--date. |
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44 |
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45 Returns 0 on success. |
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46 ''' |
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47 |
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48 date = opts.get('date') |
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49 if date: |
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50 opts['date'] = util.parsedate(date) |
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51 |
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52 parent, _p2 = repo.dirstate.parents() |
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53 branch = repo.dirstate.branch() |
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54 try: |
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55 branchnode = repo.branchtip(branch) |
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56 except error.RepoLookupError: |
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57 branchnode = None |
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58 if parent != branchnode: |
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59 raise util.Abort(_('working dir not at branch tip ' |
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60 '(use "hg update" to check out branch tip)')) |
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61 |
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62 wlock = lock = None |
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63 try: |
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64 wlock = repo.wlock() |
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65 lock = repo.lock() |
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66 |
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67 cmdutil.bailifchanged(repo) |
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68 |
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69 bheads = repo.branchheads(branch) |
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70 bheads = [head for head in bheads if len(repo[head].children()) == 0] |
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71 if len(bheads) > 1: |
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72 raise util.Abort(_('multiple heads in this branch ' |
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73 '(use "hg heads ." and "hg merge" to merge)')) |
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74 |
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75 other = hg.peer(repo, opts, ui.expandpath(source)) |
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76 ui.status(_('pulling from %s\n') % |
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77 util.hidepassword(ui.expandpath(source))) |
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78 revs = None |
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79 if opts['rev']: |
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80 try: |
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81 revs = [other.lookup(rev) for rev in opts['rev']] |
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82 except error.CapabilityError: |
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83 err = _("other repository doesn't support revision lookup, " |
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84 "so a rev cannot be specified.") |
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85 raise util.Abort(err) |
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86 |
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87 # Are there any changes at all? |
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88 modheads = exchange.pull(repo, other, heads=revs).cgresult |
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89 if modheads == 0: |
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90 return 0 |
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91 |
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92 # Is this a simple fast-forward along the current branch? |
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93 newheads = repo.branchheads(branch) |
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94 newchildren = repo.changelog.nodesbetween([parent], newheads)[2] |
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95 if len(newheads) == 1 and len(newchildren): |
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96 if newchildren[0] != parent: |
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97 return hg.update(repo, newchildren[0]) |
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98 else: |
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99 return 0 |
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100 |
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101 # Are there more than one additional branch heads? |
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102 newchildren = [n for n in newchildren if n != parent] |
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103 newparent = parent |
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104 if newchildren: |
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105 newparent = newchildren[0] |
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106 hg.clean(repo, newparent) |
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107 newheads = [n for n in newheads if n != newparent] |
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108 if len(newheads) > 1: |
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109 ui.status(_('not merging with %d other new branch heads ' |
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110 '(use "hg heads ." and "hg merge" to merge them)\n') % |
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111 (len(newheads) - 1)) |
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112 return 1 |
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113 |
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114 if not newheads: |
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115 return 0 |
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Matt Mackall <mpm@selenic.com>
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116 |
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fetch: added support for named branches
Sune Foldager <cryo@cyanite.org>
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117 # Otherwise, let's merge. |
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Bryan O'Sullivan <bos@serpentine.com>
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118 err = False |
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Bryan O'Sullivan <bos@serpentine.com>
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119 if newheads: |
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120 # By default, we consider the repository we're pulling |
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121 # *from* as authoritative, so we merge our changes into |
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Bryan O'Sullivan <bos@serpentine.com>
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122 # theirs. |
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123 if opts['switch_parent']: |
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124 firstparent, secondparent = newparent, newheads[0] |
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Bryan O'Sullivan <bos@serpentine.com>
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125 else: |
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126 firstparent, secondparent = newheads[0], newparent |
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127 ui.status(_('updating to %d:%s\n') % |
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128 (repo.changelog.rev(firstparent), |
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129 short(firstparent))) |
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130 hg.clean(repo, firstparent) |
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131 ui.status(_('merging with %d:%s\n') % |
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132 (repo.changelog.rev(secondparent), short(secondparent))) |
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Bryan O'Sullivan <bos@serpentine.com>
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133 err = hg.merge(repo, secondparent, remind=False) |
6941
b2bc2d984bac
fetch: linearize code by eliminating nested functions
Dirkjan Ochtman <dirkjan@ochtman.nl>
parents:
6666
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134 |
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new extension: fetch -> combine pull and merge/update
Vadim Gelfer <vadim.gelfer@gmail.com>
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135 if not err: |
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do not translate commit messages
Martin Geisler <mg@lazybytes.net>
parents:
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136 # we don't translate commit messages |
14635
217b7d83afc3
cmdutil, logmessage: use ui.fin when reading from '-'
Idan Kamara <idankk86@gmail.com>
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137 message = (cmdutil.logmessage(ui, opts) or |
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Martin Geisler <mg@lazybytes.net>
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138 ('Automated merge with %s' % |
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924c82157d46
url: move URL parsing functions into util to improve startup time
Brodie Rao <brodie@bitheap.org>
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139 util.removeauth(other.url()))) |
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288a793c3167
fetch: use "getcommiteditor()" instead of explicit editor choice
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
21247
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140 editopt = opts.get('edit') or opts.get('force_editor') |
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fetch: pass 'editform' argument to 'cmdutil.getcommiteditor'
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
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141 editor = cmdutil.getcommiteditor(edit=editopt, editform='fetch') |
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FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
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142 n = repo.commit(message, opts['user'], opts['date'], editor=editor) |
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Vadim Gelfer <vadim.gelfer@gmail.com>
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143 ui.status(_('new changeset %d:%s merges remote changes ' |
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Vadim Gelfer <vadim.gelfer@gmail.com>
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144 'with local\n') % (repo.changelog.rev(n), |
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Vadim Gelfer <vadim.gelfer@gmail.com>
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145 short(n))) |
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146 |
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fetch: fix and document exit codes (issue2356)
Matt Mackall <mpm@selenic.com>
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147 return err |
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Matt Mackall <mpm@selenic.com>
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148 |
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0496cfb05243
fetch: lock repo across pull and commit
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2824
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149 finally: |
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6ee71f78497c
switch lock releasing in the extensions from gc to explicit
Ronny Pfannschmidt <Ronny.Pfannschmidt@gmx.de>
parents:
7991
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150 release(lock, wlock) |