diff options
| -rw-r--r-- | perl/Git/SVN/Utils.pm | 14 | ||||
| -rw-r--r-- | t/Git-SVN/Utils/collapse_dotdot.t | 23 |
2 files changed, 36 insertions, 1 deletions
diff --git a/perl/Git/SVN/Utils.pm b/perl/Git/SVN/Utils.pm index 246d1aa60..4925410dd 100644 --- a/perl/Git/SVN/Utils.pm +++ b/perl/Git/SVN/Utils.pm @@ -72,6 +72,18 @@ API as a file path. =cut +# Turn foo/../bar into bar +sub _collapse_dotdot { + my $path = shift; + + 1 while $path =~ s{/[^/]+/+\.\.}{}; + 1 while $path =~ s{[^/]+/+\.\./}{}; + 1 while $path =~ s{[^/]+/+\.\.}{}; + + return $path; +} + + sub canonicalize_path { my ($path) = @_; my $dot_slash_added = 0; @@ -83,7 +95,7 @@ sub canonicalize_path { # good reason), so let's do this manually. $path =~ s#/+#/#g; $path =~ s#/\.(?:/|$)#/#g; - $path =~ s#/[^/]+/\.\.##g; + $path = _collapse_dotdot($path); $path =~ s#/$##g; $path =~ s#^\./## if $dot_slash_added; $path =~ s#^/##; diff --git a/t/Git-SVN/Utils/collapse_dotdot.t b/t/Git-SVN/Utils/collapse_dotdot.t new file mode 100644 index 000000000..1da1cce15 --- /dev/null +++ b/t/Git-SVN/Utils/collapse_dotdot.t @@ -0,0 +1,23 @@ +#!/usr/bin/env perl + +use strict; +use warnings; + +use Test::More 'no_plan'; + +use Git::SVN::Utils; +my $collapse_dotdot = \&Git::SVN::Utils::_collapse_dotdot; + +my %tests = ( + "foo/bar/baz" => "foo/bar/baz", + ".." => "..", + "foo/.." => "", + "/foo/bar/../../baz" => "/baz", + "deeply/.././deeply/nested" => "./deeply/nested", +); + +for my $arg (keys %tests) { + my $want = $tests{$arg}; + + is $collapse_dotdot->($arg), $want, "_collapse_dotdot('$arg') => $want"; +} |