merge: use help_unknown_ref()

Use help.c:help_unknown_ref() instead of die() to provide a friendlier error message before exiting, when one of the refs specified in a merge is unknown. Signed-off-by: Vikrant Varma <vikrant.varma94@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>

Vikrant Varma committed May 4, 2013 at 05:34 UTC f3f8af0e54a31ffed242dc36482f82393f596ee5
1 file changed +2 -1
builtin/merge.c
+2 -1
@@ -1054,7 +1054,8 @@ static struct commit_list *collect_parents(struct commit *head_commit,
1054 for (i = 0; i < argc; i++) {
1055 struct commit *commit = get_merge_parent(argv[i]);
1056 if (!commit)
1057 - die(_("%s - not something we can merge"), argv[i]);
1057 + help_unknown_ref(argv[i], "merge",
1058 + "not something we can merge");
1059 remotes = &commit_list_insert(commit, remotes)->next;
1060 }
1061 *remotes = NULL;