Mercurial > hgsubversion

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svnrepo: ease debugging of Subversion fallback Show a verbose note when falling back to Subversion support, and enable showing the traceback.
author Dan Villiom Podlaski Christiansen <danchr@gmail.com>
date Wed, 31 Mar 2010 22:06:05 +0200
parents ebecf034e52a
children f12257bf8b91
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1 .. -*-restructuredtext-*-
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3 ============
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4 hgsubversion
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5 ============
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6
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7 hgsubversion is an extension for Mercurial that allows using Mercurial
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8 as a Subversion client.
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10 At this point, hgsubversion is usable by users reasonably familiar with
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11 Mercurial as a VCS. It's not recommended to dive into hgsubversion as an
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12 introduction to Mercurial, since hgsubversion "bends the rules" a little
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13 and violates some of the typical assumptions of early Mercurial users.
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15 Installation
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16 ------------
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17 You need to have Subversion installed with the SWIG Python bindings
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18 from Subversion 1.5 or later. You need Mercurial 1.3 or later.
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20 .. _mercurial: http://selenic.com/repo/hg
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21 .. _mercurial-stable: http://selenic.com/repo/hg-stable
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22 .. _crew: http://hg.intevation.org/mercurial/crew
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23 .. _crew-stable: http://hg.intevation.org/mercurial/crew-stable
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25 If you are unfamiliar with installing Mercurial extensions, please see
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26 the UsingExtensions_ page in the Mercurial wiki. Look at the example
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27 for specifying an absolute path near the bottom of the page. You want
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28 to give the path to the top level of your clone of this repository.
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30 .. _UsingExtensions: http://mercurial.selenic.com/wiki/UsingExtensions
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32 Before using hgsubversion, I *strongly* encourage you to run the
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33 automated tests. Just use nose_ if you have it (or ``easy_install
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34 nose`` if you want it), or use ``python tests/run.py`` to run the
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35 suite with the conventional test runner. Note that because I use nose,
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36 there's a lot of stdout spew in the tests right now. The important
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37 part is that all the tests pass.
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39 .. _nose: http://code.google.com/p/python-nose/
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41 Basic Use
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42 -----------
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43 Get a new clone of an svn server::
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45 $ hg clone <svn URI> [destination]
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47 Real example::
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49 $ hg clone http://python-nose.googlecode.com/svn nose-hg
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51 Note, you should pull from the root subversion directory, not specific
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52 folders (such as trunk).
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54 Pull new revisions into an already-converted repo::
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56 $ hg pull
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58 For more information, see ``hg help svn`` while in a converted repo.
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60 Support for ``svn:externals``
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61 -----------------------------
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62 All ``svn:externals`` properties are serialized into a single
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63 ``.hgsvnexternals`` file having the following syntax::
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65 [.]
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66 common1 http://path/to/external/svn/repo1
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67 ...additional svn:externals properties lines...
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68 [dir2]
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69 common2 -r123 http://path/to/external/svn/repo2
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70 ...additional svn:externals properties lines...
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72 A header line in brackets specifies the directory the property applies
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73 to, where '.' indicates the project root directory. The property content
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74 follows the header, **with every content line being prefixed by a single
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75 space**. Note that the property lines have a format identical to
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76 svn:externals properties as used in Subversion, and do not support the
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77 hgsubversion extended svn+http:// URL format.
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79 Issuing the command ``hg svn updateexternals`` with the
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80 ``.hgsvnexternals`` example above would fetch the latest revision of
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81 repo1 into the subdirectory ./common1, and revision 123 of repo2 into
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82 dir2/common2. Note that ``.hgsvnexternals`` must be tracked by Mercurial
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83 before this will work. If ``.hgsvnexternals`` is created or changed, it
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84 will not be pushed to the related Subversion repository, *but its
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85 contents will be used to update ``svn:externals`` properties on the
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86 related Subversion repository*.