true built-in diff: run everything in-core.

diff --git a/git-fmt-merge-msg.perl b/git-fmt-merge-msg.perl
index dae383f231f4fc4dd5482b2e091da5fe80cfa35d..afe80e6321a1495c34139ec47af7d7d6aeb239fa 100755 (executable)
--- a/git-fmt-merge-msg.perl
+++ b/git-fmt-merge-msg.perl
@@ -47,7 +47,7 @@ sub current_branch {
 sub shortlog {
        my ($tip) = @_;
        my @result;
-       foreach ( qx{git-log --topo-order --pretty=oneline $tip ^HEAD} ) {
+       foreach ( qx{git-log --no-merges --topo-order --pretty=oneline $tip ^HEAD} ) {
                s/^[0-9a-f]{40}\s+//;
                push @result, $_;
        }