git-fetch: Don't trigger a bus error when given the refspec "tag"
When git-fetch encounters the refspec "tag" it assumes that the next
argument will be a tag name. If there is no next argument, it should
die gracefully instead of erroring.
Signed-off-by: Kevin Ballard <kevin@sb.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/builtin-fetch.c b/builtin-fetch.c
index a11548c..5841b3e 100644
--- a/builtin-fetch.c
+++ b/builtin-fetch.c
@@ -637,6 +637,8 @@
if (!strcmp(argv[i], "tag")) {
char *ref;
i++;
+ if (i >= argc)
+ die("You need to specify a tag name.");
ref = xmalloc(strlen(argv[i]) * 2 + 22);
strcpy(ref, "refs/tags/");
strcat(ref, argv[i]);
