cat-file doc: document that -e will return some output

[git-core/git.git] / commit.c

diff --git a/commit.c b/commit.c
index 1e0e633..cab8d44 100644 (file)
--- a/commit.c
+++ b/commit.c
@@ -1090,6 +1090,13 @@ struct commit_list *reduce_heads(struct commit_list *heads)
        return result;
 }
 
+void reduce_heads_replace(struct commit_list **heads)
+{
+       struct commit_list *result = reduce_heads(*heads);
+       free_commit_list(*heads);
+       *heads = result;
+}
+
 static const char gpg_sig_header[] = "gpgsig";
 static const int gpg_sig_header_len = sizeof(gpg_sig_header) - 1;