Mercurial > hg > mercurial-crew-with-dirclash

annotate hgext/fetch.py @ 4797:d00ca99bc54e

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convert svn: minor improvement to tag detection. The better way is probably to list the latest tags directory and look up the last log message for each entry. This is surprisingly annoying to do.
author Brendan Cully <brendan@kublai.com>
date Tue, 03 Jul 2007 20:22:39 -0700
parents eadfaa9ec487
children 97b734fb9c6f
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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 *
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10 from mercurial import commands, cmdutil, hg, node, 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.'''
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21
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22 def postincoming(other, modheads):
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23 if modheads == 0:
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24 return 0
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25 if modheads == 1:
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26 return hg.clean(repo, repo.changelog.tip(), wlock=wlock)
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27 newheads = repo.heads(parent)
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28 newchildren = [n for n in repo.heads(parent) if n != parent]
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29 newparent = parent
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30 if newchildren:
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31 newparent = newchildren[0]
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32 hg.clean(repo, newparent, wlock=wlock)
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33 newheads = [n for n in repo.heads() if n != newparent]
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34 err = False
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35 if newheads:
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36 ui.status(_('merging with new head %d:%s\n') %
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37 (repo.changelog.rev(newheads[0]), short(newheads[0])))
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38 err = hg.merge(repo, newheads[0], remind=False, wlock=wlock)
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39 if not err and len(newheads) > 1:
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40 ui.status(_('not merging with %d other new heads '
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41 '(use "hg heads" and "hg merge" to merge them)') %
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42 (len(newheads) - 1))
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43 if not err:
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44 mod, add, rem = repo.status(wlock=wlock)[:3]
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45 message = (cmdutil.logmessage(opts) or
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46 (_('Automated merge with %s') % other.url()))
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47 n = repo.commit(mod + add + rem, message,
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48 opts['user'], opts['date'], lock=lock, wlock=wlock,
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49 force_editor=opts.get('force_editor'))
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50 ui.status(_('new changeset %d:%s merges remote changes '
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51 'with local\n') % (repo.changelog.rev(n),
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52 short(n)))
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53 def pull():
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54 cmdutil.setremoteconfig(ui, opts)
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55
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56 other = hg.repository(ui, ui.expandpath(source))
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57 ui.status(_('pulling from %s\n') % ui.expandpath(source))
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58 revs = None
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59 if opts['rev'] and not other.local():
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60 raise util.Abort(_("fetch -r doesn't work for remote repositories yet"))
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61 elif opts['rev']:
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62 revs = [other.lookup(rev) for rev in opts['rev']]
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63 modheads = repo.pull(other, heads=revs, lock=lock)
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64 return postincoming(other, modheads)
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65
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66 parent, p2 = repo.dirstate.parents()
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67 if parent != repo.changelog.tip():
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68 raise util.Abort(_('working dir not at tip '
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69 '(use "hg update" to check out tip)'))
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70 if p2 != nullid:
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71 raise util.Abort(_('outstanding uncommitted merge'))
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72 wlock = repo.wlock()
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73 lock = repo.lock()
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74 try:
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75 mod, add, rem = repo.status(wlock=wlock)[:3]
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76 if mod or add or rem:
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77 raise util.Abort(_('outstanding uncommitted changes'))
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78 if len(repo.heads()) > 1:
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79 raise util.Abort(_('multiple heads in this repository '
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80 '(use "hg heads" and "hg merge" to merge)'))
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81 return pull()
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82 finally:
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83 lock.release()
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84 wlock.release()
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85
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86 cmdtable = {
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87 'fetch':
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88 (fetch,
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89 [('e', 'ssh', '', _('specify ssh command to use')),
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90 ('m', 'message', '', _('use <text> as commit message')),
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91 ('l', 'logfile', '', _('read the commit message from <file>')),
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92 ('d', 'date', '', _('record datecode as commit date')),
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93 ('u', 'user', '', _('record user as commiter')),
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94 ('r', 'rev', [], _('a specific revision you would like to pull')),
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95 ('f', 'force-editor', None, _('edit commit message')),
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96 ('', 'remotecmd', '', _('hg command to run on the remote side'))],
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97 _('hg fetch [SOURCE]')),
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98 }