diff options
-rwxr-xr-x | dgit | 10 |
1 files changed, 8 insertions, 2 deletions
@@ -639,8 +639,14 @@ sub rev_parse ($) { sub is_fast_fwd ($$) { my ($ancestor,$child) = @_; - my $mb = cmdoutput @git, qw(merge-base), $ancestor, $child; - return rev_parse($mb) eq rev_parse($ancestor); + my @cmd = (@git, qw(merge-base), $ancestor, $child); + my $mb = cmdoutput_errok @cmd; + if (defined $mb) { + return rev_parse($mb) eq rev_parse($ancestor); + } else { + $?==256 or failedcmd @cmd; + return 0; + } } sub git_fetch_us () { |