register_ref(): make a copy of the bad reference SHA-1

The lifetime of the sha1 parameter passed to an each_ref_fn callback
is not guaranteed, so make a copy for later use.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Michael Haggerty 2013-05-25 11:08:23 +02:00 committed by Junio C Hamano
parent 66ce036628
commit bf42772e38

View File

@ -15,7 +15,7 @@
static struct sha1_array good_revs;
static struct sha1_array skipped_revs;
static const unsigned char *current_bad_sha1;
static unsigned char *current_bad_sha1;
static const char *argv_checkout[] = {"checkout", "-q", NULL, "--", NULL};
static const char *argv_show_branch[] = {"show-branch", NULL, NULL};
@ -404,7 +404,8 @@ static int register_ref(const char *refname, const unsigned char *sha1,
int flags, void *cb_data)
{
if (!strcmp(refname, "bad")) {
current_bad_sha1 = sha1;
current_bad_sha1 = xmalloc(20);
hashcpy(current_bad_sha1, sha1);
} else if (!prefixcmp(refname, "good-")) {
sha1_array_append(&good_revs, sha1);
} else if (!prefixcmp(refname, "skip-")) {