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git-svn: path canonicalization uses SVN API

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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>
This commit is contained in:
Michael G. Schwern 2012-07-28 02:38:31 -07:00 committed by Eric Wong
parent 8169a3908c
commit 3def8d0884
1 changed files with 24 additions and 0 deletions
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24
perl/Git/SVN/Utils.pm
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@ -86,6 +86,30 @@ sub _collapse_dotdot {
sub canonicalize_path {
my $path = shift;
my $rv;
# The 1.7 way to do it
if ( defined &SVN::_Core::svn_dirent_canonicalize ) {
$path = _collapse_dotdot($path);
$rv = SVN::_Core::svn_dirent_canonicalize($path);
}
# The 1.6 way to do it
# This can return undef on subversion-perl-1.4.2-2.el5 (CentOS 5.2)
elsif ( defined &SVN::_Core::svn_path_canonicalize ) {
$path = _collapse_dotdot($path);
$rv = SVN::_Core::svn_path_canonicalize($path);
}
return $rv if defined $rv;
# No SVN API canonicalization is available, or the SVN API
# didn't return a successful result, do it ourselves
return _canonicalize_path_ourselves($path);
}
sub _canonicalize_path_ourselves {
my ($path) = @_;
my $dot_slash_added = 0;
if (substr($path, 0, 1) ne "/") {