annotate README @ 717:ae5968ffe6fe

svnwrap: fix handling of quotable URLs (fixes #197, refs #132) The way hgsubversion handles URLs that may or may not be quoted is somewhat fragile. As part of fixing issue 132 in 925ff8c5989c, the path component of URLs was always quoted. The URL has been attempted encoded since the initial check-in. The fix from 925ff8c5989c was incomplete; reverting it allows us to clone a URL with a '~' in it.[1] Encoding the URL as UTF-8 seldom works as expected, as the default string encoding is ASCII, causing Python to be unable to decode any URL containing an 8-bit character. The core problem here is that we don't know whether the URL specified by the user is quoted or not. Rather than trying to deal with this ourselves, we pass the problem on to Subversion. Then, we obtain the URL from the RA instance, where it is always quoted. (It's worth noting that the editor interface, on the other hand, always deals with unquoted paths...) Thus, the following invariants should apply to SubversionRepo attributes: - svn_url and root will always be quoted. - subdir will always be unquoted. Tests are added that verify that it won't affect the conversion whether a URL is specified in quoted or unquoted form. Furthermore, a test fixture for this is added *twice*, so that we can thoroughly test both quoted and unquoted URLs. I'm not adding a test dedicated to tildes in URLs; it doesn't seem necessary. [1] Such as <https://svn.kenai.com/svn/winsw~subversion>.
author Dan Villiom Podlaski Christiansen <danchr@gmail.com>
date Mon, 04 Oct 2010 21:00:36 -0500
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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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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 either have Subversion 1.5 (or later) installed along with
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18 either Subvertpy 0.7.3 (or later) or the Subversion SWIG Python bindings. You
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19 need Mercurial 1.3 or later.
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21 .. _mercurial: http://selenic.com/repo/hg
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22 .. _mercurial-stable: http://selenic.com/repo/hg-stable
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23 .. _crew: http://hg.intevation.org/mercurial/crew
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24 .. _crew-stable: http://hg.intevation.org/mercurial/crew-stable
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26 If you are unfamiliar with installing Mercurial extensions, please see
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27 the UsingExtensions_ page in the Mercurial wiki. Look at the example
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28 for specifying an absolute path near the bottom of the page. You want
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29 to give the path to the top level of your clone of this repository.
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31 .. _UsingExtensions: http://mercurial.selenic.com/wiki/UsingExtensions
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33 Before using hgsubversion, I *strongly* encourage you to run the
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34 automated tests. Just use nose_ if you have it (or ``easy_install
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35 nose`` if you want it), or use ``python tests/run.py`` to run the
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36 suite with the conventional test runner. Note that because I use nose,
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37 there's a lot of stdout spew in the tests right now. The important
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38 part is that all the tests pass.
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40 .. _nose: http://code.google.com/p/python-nose/
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42 You can check that hgsubversion is installed and properly activated using the
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43 following command::
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45 $ hg version --svn
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46 Mercurial Distributed SCM (version ...)
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48 Copyright (C) 2005-2010 Matt Mackall <mpm@selenic.com> and others
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49 This is free software; see the source for copying conditions. There is NO
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50 warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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52 hgsubversion: ...
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53 Subversion: ...
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54 bindings: Subvertpy ...
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56 If your bindings are listed as `SWIG`, please consider installing Subvertpy_.
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58 .. _Subvertpy: http://pypi.python.org/pypi/subvertpy
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60 Further Reading
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61 ---------------
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63 More information on how to use hgsubversion is available from within Mercurial
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64 in the `subversion` help topic. To view it, use::
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66 $ hg help subversion
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68 The Restructured Text source for this topic is also available in the file
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69 ``hgsubverson/help/subversion.rst``.