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do_for_each_ref: perform the same sanity check for leftovers.

Browse Source 
An earlier commit b37a562a added a check to see if the ref
points at a valid object (as a part of 'negative ref' support
which we currently do not use), but did so only while iterating
over both packed and loose refs, and forgot to apply the same
check while iterating over the remaining ones.

We might want to replace the "if null then omit it" check with
"eh --- what business does a 0{40} value have here?" complaint
later since we currently do not use negative refs, but that is
a separate issue.

Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Junio C Hamano 2006-11-18 22:13:33 -08:00
parent 6c96c0f194
commit ef06b91804
1 changed files with 19 additions and 19 deletions

38
refs.c

@ -322,6 +322,20 @@ int read_ref(const char *ref, unsigned char *sha1)
return -1;
}
static int do_one_ref(const char *base, each_ref_fn fn, int trim,
void *cb_data, struct ref_list *entry)
{
if (strncmp(base, entry->name, trim))
return 0;
if (is_null_sha1(entry->sha1))
return 0;
if (!has_sha1_file(entry->sha1)) {
error("%s does not point to a valid object!", entry->name);
return 0;
}
return fn(entry->name + trim, entry->sha1, entry->flag, cb_data);
}
static int do_for_each_ref(const char *base, each_ref_fn fn, int trim,
void *cb_data)
{
@ -343,29 +357,15 @@ static int do_for_each_ref(const char *base, each_ref_fn fn, int trim,
entry = packed;
packed = packed->next;
}
if (strncmp(base, entry->name, trim))
continue;
if (is_null_sha1(entry->sha1))
continue;
if (!has_sha1_file(entry->sha1)) {
error("%s does not point to a valid object!", entry->name);
continue;
}
retval = fn(entry->name + trim, entry->sha1,
entry->flag, cb_data);
retval = do_one_ref(base, fn, trim, cb_data, entry);
if (retval)
return retval;
}
packed = packed ? packed : loose;
while (packed) {
if (!strncmp(base, packed->name, trim)) {
retval = fn(packed->name + trim, packed->sha1,
packed->flag, cb_data);
if (retval)
return retval;
}
packed = packed->next;
for (packed = packed ? packed : loose; packed; packed = packed->next) {
retval = do_one_ref(base, fn, trim, cb_data, packed);
if (retval)
return retval;
}
return 0;
}