Re: [PATCH 12/13] Build in merge

diff --git a/builtin-merge.c b/builtin-merge.c
index cc04d01..77de9e8 100644
--- a/builtin-merge.c
+++ b/builtin-merge.c

@@ -836,9 +836,12 @@ int cmd_merge(int argc, const char **argv, const char *prefix)
 		/* Again the most common case of merging one remote. */
 		struct strbuf msg;
 		struct object *o;
+		char hex[41];
+
+		memcpy(hex, find_unique_abbrev(head, DEFAULT_ABBREV), 41);