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 @@ does. In scalar context requires the variable to be set only one time
 (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 @@ Retrieve the bool configuration C<VARIABLE>. The return value
 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 @@ or 'g' in the config file will cause the value to be multiplied
 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) {