Git.pm: Don't require a repository instance for config

git config itself doesn't require to be called in a repository,
so don't add arbitrary restrictions.

Signed-off-by: Frank Lichtenheld <frank@lichtenheld.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/perl/Git.pm b/perl/Git.pm
index a2812ea612b997c1a76d89075dd1263a3af4fd37..67b3749f0e80e2ea74b71acba43fa69b92a9cc40 100644 (file)
--- a/perl/Git.pm
+++ b/perl/Git.pm
@@ -487,22 +487,20 @@ sub wc_chdir {
 (exception is thrown otherwise), in array context returns allows the
 variable to be set multiple times and returns all the values.
 
-Must be called on a repository instance.
-
 This currently wraps command('config') so it is not so fast.
 
 =cut
 
 sub config {
-       my ($self, $var) = @_;
-       $self->repo_path()
-               or throw Error::Simple("not a repository");
+       my ($self, $var) = _maybe_self(@_);
 
        try {
+               my @cmd = ('config');
+               unshift @cmd, $self if $self;
                if (wantarray) {
-                       return $self->command('config', '--get-all', $var);
+                       return command(@cmd, '--get-all', $var);
                } else {
-                       return $self->command_oneline('config', '--get', $var);
+                       return command_oneline(@cmd, '--get', $var);
                }
        } catch Git::Error::Command with {
                my $E = shift;
@@ -522,20 +520,17 @@ sub config {
 is usable as a boolean in perl (and C<undef> if it's not defined,
 of course).
 
-Must be called on a repository instance.
-
 This currently wraps command('config') so it is not so fast.
 
 =cut
 
 sub config_bool {
-       my ($self, $var) = @_;
-       $self->repo_path()
-               or throw Error::Simple("not a repository");
+       my ($self, $var) = _maybe_self(@_);
 
        try {
-               my $val = $self->command_oneline('config', '--bool', '--get',
-                                             $var);
+               my @cmd = ('config', '--bool', '--get', $var);
+               unshift @cmd, $self if $self;
+               my $val = command_oneline(@cmd);
                return undef unless defined $val;
                return $val eq 'true';
        } catch Git::Error::Command with {
@@ -557,19 +552,17 @@ sub config_bool {
 by 1024, 1048576 (1024^2), or 1073741824 (1024^3) prior to output.
 It would return C<undef> if configuration variable is not defined,
 
-Must be called on a repository instance.
-
 This currently wraps command('config') so it is not so fast.
 
 =cut
 
 sub config_int {
-       my ($self, $var) = @_;
-       $self->repo_path()
-               or throw Error::Simple("not a repository");
+       my ($self, $var) = _maybe_self(@_);
 
        try {
-               return $self->command_oneline('config', '--int', '--get', $var);
+               my @cmd = ('config', '--int', '--get', $var);
+               unshift @cmd, $self if $self;
+               return command_oneline(@cmd);
        } catch Git::Error::Command with {
                my $E = shift;
                if ($E->value() == 1) {