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-rw-r--r--builtin-fmt-merge-msg.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/builtin-fmt-merge-msg.c b/builtin-fmt-merge-msg.c
index 3d3097d299..87d3d63ec7 100644
--- a/builtin-fmt-merge-msg.c
+++ b/builtin-fmt-merge-msg.c
@@ -278,6 +278,8 @@ int cmd_fmt_merge_msg(int argc, const char **argv, const char *prefix)
/* get current branch */
current_branch = resolve_ref("HEAD", head_sha1, 1, NULL);
+ if (!current_branch)
+ die("No current branch");
if (!strncmp(current_branch, "refs/heads/", 11))
current_branch += 11;