refs: convert struct ref_entry to use struct object_id

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
brian m. carlson 2015-05-25 18:38:27 +00:00 committed by Junio C Hamano
parent 9532ead987
commit 8353847e85

44
refs.c
View file

@ -161,7 +161,7 @@ struct ref_value {
* null. If REF_ISSYMREF, then this is the name of the object
* referred to by the last reference in the symlink chain.
*/
unsigned char sha1[20];
struct object_id oid;
/*
* If REF_KNOWS_PEELED, then this field holds the peeled value
@ -169,7 +169,7 @@ struct ref_value {
* be peelable. See the documentation for peel_ref() for an
* exact definition of "peelable".
*/
unsigned char peeled[20];
struct object_id peeled;
};
struct ref_cache;
@ -351,8 +351,8 @@ static struct ref_entry *create_ref_entry(const char *refname,
die("Reference has invalid format: '%s'", refname);
len = strlen(refname) + 1;
ref = xmalloc(sizeof(struct ref_entry) + len);
hashcpy(ref->u.value.sha1, sha1);
hashclr(ref->u.value.peeled);
hashcpy(ref->u.value.oid.hash, sha1);
oidclr(&ref->u.value.peeled);
memcpy(ref->name, refname, len);
ref->flag = flag;
return ref;
@ -626,7 +626,7 @@ static int is_dup_ref(const struct ref_entry *ref1, const struct ref_entry *ref2
/* This is impossible by construction */
die("Reference directory conflict: %s", ref1->name);
if (hashcmp(ref1->u.value.sha1, ref2->u.value.sha1))
if (oidcmp(&ref1->u.value.oid, &ref2->u.value.oid))
die("Duplicated ref, and SHA1s don't match: %s", ref1->name);
warning("Duplicated ref: %s", ref1->name);
@ -674,7 +674,7 @@ static int ref_resolves_to_object(struct ref_entry *entry)
{
if (entry->flag & REF_ISBROKEN)
return 0;
if (!has_sha1_file(entry->u.value.sha1)) {
if (!has_sha1_file(entry->u.value.oid.hash)) {
error("%s does not point to a valid object!", entry->name);
return 0;
}
@ -722,7 +722,7 @@ static int do_one_ref(struct ref_entry *entry, void *cb_data)
/* Store the old value, in case this is a recursive call: */
old_current_ref = current_ref;
current_ref = entry;
retval = data->fn(entry->name + data->trim, entry->u.value.sha1,
retval = data->fn(entry->name + data->trim, entry->u.value.oid.hash,
entry->flag, data->cb_data);
current_ref = old_current_ref;
return retval;
@ -1258,7 +1258,7 @@ static void read_packed_refs(FILE *f, struct ref_dir *dir)
line.len == PEELED_LINE_LENGTH &&
line.buf[PEELED_LINE_LENGTH - 1] == '\n' &&
!get_sha1_hex(line.buf + 1, sha1)) {
hashcpy(last->u.value.peeled, sha1);
hashcpy(last->u.value.peeled.hash, sha1);
/*
* Regardless of what the file header said,
* we definitely know the value of *this*
@ -1439,7 +1439,7 @@ static int resolve_gitlink_packed_ref(struct ref_cache *refs,
if (ref == NULL)
return -1;
hashcpy(sha1, ref->u.value.sha1);
hashcpy(sha1, ref->u.value.oid.hash);
return 0;
}
@ -1526,7 +1526,7 @@ static int resolve_missing_loose_ref(const char *refname,
*/
entry = get_packed_ref(refname);
if (entry) {
hashcpy(sha1, entry->u.value.sha1);
hashcpy(sha1, entry->u.value.oid.hash);
if (flags)
*flags |= REF_ISPACKED;
return 0;
@ -1836,9 +1836,9 @@ static enum peel_status peel_entry(struct ref_entry *entry, int repeel)
if (entry->flag & REF_KNOWS_PEELED) {
if (repeel) {
entry->flag &= ~REF_KNOWS_PEELED;
hashclr(entry->u.value.peeled);
oidclr(&entry->u.value.peeled);
} else {
return is_null_sha1(entry->u.value.peeled) ?
return is_null_oid(&entry->u.value.peeled) ?
PEEL_NON_TAG : PEEL_PEELED;
}
}
@ -1847,7 +1847,7 @@ static enum peel_status peel_entry(struct ref_entry *entry, int repeel)
if (entry->flag & REF_ISSYMREF)
return PEEL_IS_SYMREF;
status = peel_object(entry->u.value.sha1, entry->u.value.peeled);
status = peel_object(entry->u.value.oid.hash, entry->u.value.peeled.hash);
if (status == PEEL_PEELED || status == PEEL_NON_TAG)
entry->flag |= REF_KNOWS_PEELED;
return status;
@ -1862,7 +1862,7 @@ int peel_ref(const char *refname, unsigned char *sha1)
|| !strcmp(current_ref->name, refname))) {
if (peel_entry(current_ref, 0))
return -1;
hashcpy(sha1, current_ref->u.value.peeled);
hashcpy(sha1, current_ref->u.value.peeled.hash);
return 0;
}
@ -1882,7 +1882,7 @@ int peel_ref(const char *refname, unsigned char *sha1)
if (r) {
if (peel_entry(r, 0))
return -1;
hashcpy(sha1, r->u.value.peeled);
hashcpy(sha1, r->u.value.peeled.hash);
return 0;
}
}
@ -2496,9 +2496,9 @@ static int write_packed_entry_fn(struct ref_entry *entry, void *cb_data)
if (peel_status != PEEL_PEELED && peel_status != PEEL_NON_TAG)
error("internal error: %s is not a valid packed reference!",
entry->name);
write_packed_entry(cb_data, entry->name, entry->u.value.sha1,
write_packed_entry(cb_data, entry->name, entry->u.value.oid.hash,
peel_status == PEEL_PEELED ?
entry->u.value.peeled : NULL);
entry->u.value.peeled.hash : NULL);
return 0;
}
@ -2615,24 +2615,24 @@ static int pack_if_possible_fn(struct ref_entry *entry, void *cb_data)
peel_status = peel_entry(entry, 1);
if (peel_status != PEEL_PEELED && peel_status != PEEL_NON_TAG)
die("internal error peeling reference %s (%s)",
entry->name, sha1_to_hex(entry->u.value.sha1));
entry->name, oid_to_hex(&entry->u.value.oid));
packed_entry = find_ref(cb->packed_refs, entry->name);
if (packed_entry) {
/* Overwrite existing packed entry with info from loose entry */
packed_entry->flag = REF_ISPACKED | REF_KNOWS_PEELED;
hashcpy(packed_entry->u.value.sha1, entry->u.value.sha1);
oidcpy(&packed_entry->u.value.oid, &entry->u.value.oid);
} else {
packed_entry = create_ref_entry(entry->name, entry->u.value.sha1,
packed_entry = create_ref_entry(entry->name, entry->u.value.oid.hash,
REF_ISPACKED | REF_KNOWS_PEELED, 0);
add_ref(cb->packed_refs, packed_entry);
}
hashcpy(packed_entry->u.value.peeled, entry->u.value.peeled);
oidcpy(&packed_entry->u.value.peeled, &entry->u.value.peeled);
/* Schedule the loose reference for pruning if requested. */
if ((cb->flags & PACK_REFS_PRUNE)) {
int namelen = strlen(entry->name) + 1;
struct ref_to_prune *n = xcalloc(1, sizeof(*n) + namelen);
hashcpy(n->sha1, entry->u.value.sha1);
hashcpy(n->sha1, entry->u.value.oid.hash);
strcpy(n->name, entry->name);
n->next = cb->ref_to_prune;
cb->ref_to_prune = n;