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Merge branch 'jc/maint-refs-dangling'

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* jc/maint-refs-dangling:
  refs: ref entry with NULL sha1 is can be a dangling symref
This commit is contained in:
Junio C Hamano
2010-03-24 16:25:34 -07:00
parent a5ee8faaee e01de1c912
commit 954f7cfdac
2 changed files with 10 additions and 7 deletions
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11
refs.c
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@ -6,6 +6,7 @@
/* ISSYMREF=01 and ISPACKED=02 are public interfaces */
#define REF_KNOWS_PEELED 04
#define REF_BROKEN 010
struct ref_list {
struct ref_list *next;
@ -275,8 +276,10 @@ static struct ref_list *get_ref_dir(const char *base, struct ref_list *list)
list = get_ref_dir(ref, list);
continue;
}
if (!resolve_ref(ref, sha1, 1, &flag))
if (!resolve_ref(ref, sha1, 1, &flag)) {
hashclr(sha1);
flag |= REF_BROKEN;
}
list = add_ref(ref, sha1, flag, list, NULL);
}
free(ref);
@ -539,10 +542,10 @@ static int do_one_ref(const char *base, each_ref_fn fn, int trim,
{
if (strncmp(base, entry->name, trim))
return 0;
/* Is this a "negative ref" that represents a deleted ref? */
if (is_null_sha1(entry->sha1))
return 0;
if (!(flags & DO_FOR_EACH_INCLUDE_BROKEN)) {
if (entry->flag & REF_BROKEN)
return 0; /* ignore dangling symref */
if (!has_sha1_file(entry->sha1)) {
error("%s does not point to a valid object!", entry->name);
return 0;