annotate hgext/fetch.py @ 6679:d286ec1bdcff

context: fix workingctx.fileflags() execute bit
author Patrick Mezard <pmezard@gmail.com>
date Sun, 15 Jun 2008 13:01:01 +0200
parents 0d4e068e9e52
children 53465a7464e2
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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
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6 # of the GNU General Public License, incorporated herein by reference.
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7
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8 from mercurial.i18n import _
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9 from mercurial.node import nullid, short
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10 from mercurial import commands, cmdutil, hg, util
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11
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12 def fetch(ui, repo, source='default', **opts):
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13 '''Pull changes from a remote repository, merge new changes if needed.
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14
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15 This finds all changes from the repository at the specified path
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16 or URL and adds them to the local repository.
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17
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18 If the pulled changes add a new head, the head is automatically
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19 merged, and the result of the merge is committed. Otherwise, the
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20 working directory is updated to include the new changes.
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21
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22 When a merge occurs, the newly pulled changes are assumed to be
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23 "authoritative". The head of the new changes is used as the first
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24 parent, with local changes as the second. To switch the merge
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25 order, use --switch-parent.
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26
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27 See 'hg help dates' for a list of formats valid for -d/--date.
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28 '''
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29
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30 def postincoming(other, modheads):
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31 if modheads == 0:
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32 return 0
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33 if modheads == 1:
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34 return hg.clean(repo, repo.changelog.tip())
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35 newheads = repo.heads(parent)
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36 newchildren = [n for n in repo.heads(parent) if n != parent]
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37 newparent = parent
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38 if newchildren:
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39 newparent = newchildren[0]
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40 hg.clean(repo, newparent)
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41 newheads = [n for n in repo.heads() if n != newparent]
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42 if len(newheads) > 1:
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43 ui.status(_('not merging with %d other new heads '
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44 '(use "hg heads" and "hg merge" to merge them)') %
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45 (len(newheads) - 1))
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46 return
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47 err = False
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48 if newheads:
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49 # By default, we consider the repository we're pulling
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50 # *from* as authoritative, so we merge our changes into
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51 # theirs.
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52 if opts['switch_parent']:
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53 firstparent, secondparent = newparent, newheads[0]
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54 else:
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55 firstparent, secondparent = newheads[0], newparent
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56 ui.status(_('updating to %d:%s\n') %
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57 (repo.changelog.rev(firstparent),
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58 short(firstparent)))
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59 hg.clean(repo, firstparent)
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60 ui.status(_('merging with %d:%s\n') %
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61 (repo.changelog.rev(secondparent), short(secondparent)))
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62 err = hg.merge(repo, secondparent, remind=False)
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63 if not err:
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64 mod, add, rem = repo.status()[:3]
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65 message = (cmdutil.logmessage(opts) or
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66 (_('Automated merge with %s') %
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67 util.removeauth(other.url())))
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68 force_editor = opts.get('force_editor') or opts.get('edit')
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69 n = repo.commit(mod + add + rem, message,
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70 opts['user'], opts['date'], force=True,
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71 force_editor=force_editor)
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72 ui.status(_('new changeset %d:%s merges remote changes '
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73 'with local\n') % (repo.changelog.rev(n),
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74 short(n)))
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75
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76 def pull():
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77 cmdutil.setremoteconfig(ui, opts)
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78
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79 other = hg.repository(ui, ui.expandpath(source))
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80 ui.status(_('pulling from %s\n') %
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81 util.hidepassword(ui.expandpath(source)))
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82 revs = None
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83 if opts['rev']:
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84 if not other.local():
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85 raise util.Abort(_("fetch -r doesn't work for remote "
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86 "repositories yet"))
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87 else:
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88 revs = [other.lookup(rev) for rev in opts['rev']]
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89 modheads = repo.pull(other, heads=revs)
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90 return postincoming(other, modheads)
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91
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92 date = opts.get('date')
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93 if date:
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94 opts['date'] = util.parsedate(date)
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95
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96 parent, p2 = repo.dirstate.parents()
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97 if parent != repo.changelog.tip():
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98 raise util.Abort(_('working dir not at tip '
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99 '(use "hg update" to check out tip)'))
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100 if p2 != nullid:
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101 raise util.Abort(_('outstanding uncommitted merge'))
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102 wlock = lock = None
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103 try:
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104 wlock = repo.wlock()
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105 lock = repo.lock()
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106 mod, add, rem, del_ = repo.status()[:4]
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107 if mod or add or rem:
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108 raise util.Abort(_('outstanding uncommitted changes'))
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109 if del_:
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110 raise util.Abort(_('working directory is missing some files'))
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111 if len(repo.heads()) > 1:
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112 raise util.Abort(_('multiple heads in this repository '
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113 '(use "hg heads" and "hg merge" to merge)'))
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114 return pull()
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115 finally:
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116 del lock, wlock
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117
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118 cmdtable = {
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119 'fetch':
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120 (fetch,
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121 [('r', 'rev', [], _('a specific revision you would like to pull')),
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122 ('e', 'edit', None, _('edit commit message')),
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123 ('', 'force-editor', None, _('edit commit message (DEPRECATED)')),
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124 ('', 'switch-parent', None, _('switch parents when merging')),
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125 ] + commands.commitopts + commands.commitopts2 + commands.remoteopts,
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126 _('hg fetch [SOURCE]')),
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127 }