Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
-sub cfg ($) {
- my ($k) = @_;
+sub cfg ($;$) {
+ my ($k, $optional) = @_;
$/ = "\0";
my @cmd = qw(git config -z);
push @cmd, qw(--get-all) if wantarray;
push @cmd, $k;
$/ = "\0";
my @cmd = qw(git config -z);
push @cmd, qw(--get-all) if wantarray;
push @cmd, $k;
- my $out = cmdoutput @cmd;
+ my $out = cmdoutput_errok @cmd;
+ if (!defined $out) {
+ fail "missing required git config $k" unless $optional;
+ return ();
+ }
return split /\0/, $out;
}
return split /\0/, $out;
}