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Subversion's canonical URLs are intended to make URL comparison easy
and therefore have strict rules about what characters are special
enough to urlencode and what characters should be left alone.
When in the fallback codepath because unable to use libsvn's own
canonicalization function for some reason, escape special characters
in URIs according to the svn_uri__char_validity[] table in
subversion/libsvn_subr/path.c (r935829). The libsvn versions that
trigger this code path are not likely to be strict enough to care, but
it's nicer to be consistent.
Noticed by using SVN 1.6.17 perl bindings, which do not provide
SVN::_Core::svn_uri_canonicalize (triggering the fallback code),
with libsvn 1.7.5, whose do_switch is fussy enough to care:
Committing to file:///home/jrn/src/git/t/trash%20directory.\
t9118-git-svn-funky-branch-names/svnrepo/pr%20ject/branches\
/more%20fun%20plugin%21 ...
svn: E235000: In file '[...]/subversion/libsvn_subr/dirent_uri.c' \
line 2291: assertion failed (svn_uri_is_canonical(url, pool))
error: git-svn died of signal 6
not ok - 3 test dcommit to funky branch
After this change, the '!' in 'more%20fun%20plugin!' is not urlencoded
and t9118 passes again.
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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Subversion's svn_dirent_canonicalize() and svn_path_canonicalize()
APIs keep a leading slash in the return value if one was present on
the argument, which can be useful since it allows relative and
absolute paths to be distinguished.
When git-svn's canonicalize_path() learned to use these functions if
available, its semantics changed in the corresponding way. Some new
callers rely on the leading slash --- for example, if the slash is
stripped out then _canonicalize_url_ourselves() will transform
"proto://host/path/to/resource" to "proto://hostpath/to/resource".
Unfortunately the fallback _canonicalize_path_ourselves(), used when
the appropriate SVN APIs are not usable, still follows the old
semantics, so if that code path is exercised then it breaks. Fix it
to follow the new convention.
Noticed by forcing the fallback on and running tests. Without this
patch, t9101.4 fails:
Bad URL passed to RA layer: Unable to open an ra_local session to \
URL: Local URL 'file://homejrnsrcgit-scratch/t/trash%20directory.\
t9101-git-svn-props/svnrepo' contains unsupported hostname at \
/home/jrn/src/git-scratch/perl/blib/lib/Git/SVN.pm line 148
With it, the git-svn tests pass again.
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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Remove the ad-hoc versions.
This is mostly to normalize the process and ensure the URLs produced
don't have double slashes or anything.
Also provides a place to fix the corner case where a file path
contains a percent sign.
[ew: commit title]
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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Previously, our URL canonicalization didn't do much of anything.
Now it actually escapes and collapses slashes. This is mostly a cut & paste
of escape_url from git-svn.
This is closer to how SVN 1.7's canonicalization behaves. Doing it with
1.6 lets us chase down some problems caused by more effective canonicalization
without having to deal with all the other 1.7 issues on top of that.
* Remote URLs have to be canonicalized otherwise Git::SVN->find_existing_remote
will think they're different.
* The SVN remote is now written to the git config canonicalized. That
should be ok. Adjust a test to account for that.
[ew: commit title]
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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All tests pass with SVN 1.6. SVN 1.7 remains broken, not worrying
about it yet.
SVN changed its path canonicalization API between 1.6 and 1.7.
http://svnbook.red-bean.com/en/1.6/svn.developer.usingapi.html#svn.developer.usingapi.urlpath
http://svnbook.red-bean.com/en/1.7/svn.developer.usingapi.html#svn.developer.usingapi.urlpath
The SVN API does not accept foo/.. but it also doesn't canonicalize
it. We have to do it ourselves.
[ew: commit title, fall back if SVN <= 1.6 fails to canonicalize]
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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The code doesn't use File::Spec.
[ew: commit title]
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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Otherwise you might wind up with things like...
my $path1 = undef;
my $path2 = 'foo';
my $path = $path1 . '/' . $path2;
creating '/foo'. Or this...
my $path1 = 'foo/';
my $path2 = 'bar';
my $path = $path1 . '/' . $path2;
creating 'foo//bar'.
Could have used File::Spec, but I'm shying away from it due to SVN
1.7's pickiness about paths. Felt it would be better to have our own
we can control completely.
[ew: commit title]
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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The SVN API functions will not accept ../foo but their canonicalization
functions will not collapse it. So we'll have to do it ourselves.
_collapse_dotdot() works better than the existing regex did.
This will be used shortly when canonicalize_path() starts using the
SVN API.
[ew: commit title]
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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No change on SVN 1.6. The tests all pass with SVN 1.6 if
canonicalize_url() does nothing, so tests passing doesn't have
much meaning.
The tests are so messed up right now with SVN 1.7 it isn't really
useful to check. They will be useful later.
[ew: commit title]
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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So they can be used by others.
I'd like to test them, but they're going to become SVN API wrappers shortly
and those aren't predictable.
No functional change.
[ew: commit title]
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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Put them in a new module called Git::SVN::Utils. Yeah, not terribly
original and it will be a dumping ground. But its better than having
them in the main git-svn program. At least they can be documented
and tested.
* fatal() is used by many classes.
* Change the $can_compress lexical into a function.
This should be enough to extract Git::SVN.
Signed-off-by: Michael G. Schwern <schwern@pobox.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Eric Wong <normalperson@yhbt.net>
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Jonathan Nieder
Michael G. Schwern