Add Git::config_path()

Use --path option when calling 'git config' thus allow for pathname
expansion, e.g. a tilde.

Signed-off-by: Cord Seele <cowose@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/perl/Git.pm b/perl/Git.pm
index a86ab709c25b5e110aa2708941cea560f82c1fa8..c279bfb2446880bb18a5e6c898ef533805e78e56 100644 (file)
--- a/perl/Git.pm
+++ b/perl/Git.pm
@@ -627,6 +627,38 @@ sub config_bool {
        };
 }
 
+
+=item config_path ( VARIABLE )
+
+Retrieve the path configuration C<VARIABLE>. The return value
+is an expanded path or C<undef> if it's not defined.
+
+This currently wraps command('config') so it is not so fast.
+
+=cut
+
+sub config_path {
+       my ($self, $var) = _maybe_self(@_);
+
+       try {
+               my @cmd = ('config', '--path');
+               unshift @cmd, $self if $self;
+               if (wantarray) {
+                       return command(@cmd, '--get-all', $var);
+               } else {
+                       return command_oneline(@cmd, '--get', $var);
+               }
+       } catch Git::Error::Command with {
+               my $E = shift;
+               if ($E->value() == 1) {
+                       # Key not found.
+                       return undef;
+               } else {
+                       throw $E;
+               }
+       };
+}
+
 =item config_int ( VARIABLE )
 
 Retrieve the integer configuration C<VARIABLE>. The return value