git-send-email: die if sendmail.* config is set
I've seen several people mis-configure git send-email on their first
attempt because they set the sendmail.* config options - not
sendemail.*. This patch detects this mistake and bails out with a
friendly warning.
Signed-off-by: Drew DeVault <sir@cmpwn.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/perl/Git.pm b/perl/Git.pm
index 54c9ed0..10df990 100644
--- a/perl/Git.pm
+++ b/perl/Git.pm
@@ -723,6 +723,32 @@
return scalar _config_common({'kind' => '--int'}, @_);
}
+=item config_regexp ( RE )
+
+Retrieve the list of configuration key names matching the regular
+expression C<RE>. The return value is a list of strings matching
+this regex.
+
+=cut
+
+sub config_regexp {
+ my ($self, $regex) = _maybe_self(@_);
+ try {
+ my @cmd = ('config', '--name-only', '--get-regexp', $regex);
+ unshift @cmd, $self if $self;
+ my @matches = command(@cmd);
+ return @matches;
+ } catch Git::Error::Command with {
+ my $E = shift;
+ if ($E->value() == 1) {
+ my @matches = ();
+ return @matches;
+ } else {
+ throw $E;
+ }
+ };
+}
+
# Common subroutine to implement bulk of what the config* family of methods
# do. This currently wraps command('config') so it is not so fast.
sub _config_common {
