}
}
-static int add_existing(const char *refname, const struct object_id *oid,
- int flag, void *cbdata)
-{
- struct string_list *list = (struct string_list *)cbdata;
- struct string_list_item *item = string_list_insert(list, refname);
- struct object_id *old_oid = xmalloc(sizeof(*old_oid));
-
- oidcpy(old_oid, oid);
- item->util = old_oid;
- return 0;
-}
-
static int will_fetch(struct ref **head, const unsigned char *sha1)
{
struct ref *rm = *head;
return 0;
}
+struct refname_hash_entry {
+ struct hashmap_entry ent; /* must be the first member */
+ struct object_id oid;
+ char refname[FLEX_ARRAY];
+};
+
+static int refname_hash_entry_cmp(const void *hashmap_cmp_fn_data,
+ const void *e1_,
+ const void *e2_,
+ const void *keydata)
+{
+ const struct refname_hash_entry *e1 = e1_;
+ const struct refname_hash_entry *e2 = e2_;
+
+ return strcmp(e1->refname, keydata ? keydata : e2->refname);
+}
+
+static struct refname_hash_entry *refname_hash_add(struct hashmap *map,
+ const char *refname,
+ const struct object_id *oid)
+{
+ struct refname_hash_entry *ent;
+ size_t len = strlen(refname);
+
+ FLEX_ALLOC_MEM(ent, refname, refname, len);
+ hashmap_entry_init(ent, strhash(refname));
+ oidcpy(&ent->oid, oid);
+ hashmap_add(map, ent);
+ return ent;
+}
+
+static int add_one_refname(const char *refname,
+ const struct object_id *oid,
+ int flag, void *cbdata)
+{
+ struct hashmap *refname_map = cbdata;
+
+ (void) refname_hash_add(refname_map, refname, oid);
+ return 0;
+}
+
+static void refname_hash_init(struct hashmap *map)
+{
+ hashmap_init(map, refname_hash_entry_cmp, NULL, 0);
+}
+
+static int refname_hash_exists(struct hashmap *map, const char *refname)
+{
+ return !!hashmap_get_from_hash(map, strhash(refname), refname);
+}
+
static void find_non_local_tags(const struct ref *refs,
struct ref **head,
struct ref ***tail)
{
- struct string_list existing_refs = STRING_LIST_INIT_DUP;
- struct string_list remote_refs = STRING_LIST_INIT_NODUP;
+ struct hashmap existing_refs;
+ struct hashmap remote_refs;
+ struct string_list remote_refs_list = STRING_LIST_INIT_NODUP;
+ struct string_list_item *remote_ref_item;
const struct ref *ref;
- struct string_list_item *item = NULL;
+ struct refname_hash_entry *item = NULL;
+
+ refname_hash_init(&existing_refs);
+ refname_hash_init(&remote_refs);
- for_each_ref(add_existing, &existing_refs);
+ for_each_ref(add_one_refname, &existing_refs);
for (ref = refs; ref; ref = ref->next) {
if (!starts_with(ref->name, "refs/tags/"))
continue;
!has_object_file_with_flags(&ref->old_oid,
OBJECT_INFO_QUICK) &&
!will_fetch(head, ref->old_oid.hash) &&
- !has_sha1_file_with_flags(item->util,
+ !has_sha1_file_with_flags(item->oid.hash,
OBJECT_INFO_QUICK) &&
- !will_fetch(head, item->util))
- item->util = NULL;
+ !will_fetch(head, item->oid.hash))
+ oidclr(&item->oid);
item = NULL;
continue;
}
* fetch.
*/
if (item &&
- !has_sha1_file_with_flags(item->util, OBJECT_INFO_QUICK) &&
- !will_fetch(head, item->util))
- item->util = NULL;
+ !has_sha1_file_with_flags(item->oid.hash, OBJECT_INFO_QUICK) &&
+ !will_fetch(head, item->oid.hash))
+ oidclr(&item->oid);
item = NULL;
/* skip duplicates and refs that we already have */
- if (string_list_has_string(&remote_refs, ref->name) ||
- string_list_has_string(&existing_refs, ref->name))
+ if (refname_hash_exists(&remote_refs, ref->name) ||
+ refname_hash_exists(&existing_refs, ref->name))
continue;
- item = string_list_insert(&remote_refs, ref->name);
- item->util = (void *)&ref->old_oid;
+ item = refname_hash_add(&remote_refs, ref->name, &ref->old_oid);
+ string_list_insert(&remote_refs_list, ref->name);
}
- string_list_clear(&existing_refs, 1);
+ hashmap_free(&existing_refs, 1);
/*
* We may have a final lightweight tag that needs to be
* checked to see if it needs fetching.
*/
if (item &&
- !has_sha1_file_with_flags(item->util, OBJECT_INFO_QUICK) &&
- !will_fetch(head, item->util))
- item->util = NULL;
+ !has_sha1_file_with_flags(item->oid.hash, OBJECT_INFO_QUICK) &&
+ !will_fetch(head, item->oid.hash))
+ oidclr(&item->oid);
/*
- * For all the tags in the remote_refs string list,
+ * For all the tags in the remote_refs_list,
* add them to the list of refs to be fetched
*/
- for_each_string_list_item(item, &remote_refs) {
+ for_each_string_list_item(remote_ref_item, &remote_refs_list) {
+ const char *refname = remote_ref_item->string;
+
+ item = hashmap_get_from_hash(&remote_refs, strhash(refname), refname);
+ if (!item)
+ BUG("unseen remote ref?");
+
/* Unless we have already decided to ignore this item... */
- if (item->util)
- {
- struct ref *rm = alloc_ref(item->string);
- rm->peer_ref = alloc_ref(item->string);
- oidcpy(&rm->old_oid, item->util);
+ if (!is_null_oid(&item->oid)) {
+ struct ref *rm = alloc_ref(item->refname);
+ rm->peer_ref = alloc_ref(item->refname);
+ oidcpy(&rm->old_oid, &item->oid);
**tail = rm;
*tail = &rm->next;
}
}
-
- string_list_clear(&remote_refs, 0);
+ hashmap_free(&remote_refs, 1);
+ string_list_clear(&remote_refs_list, 0);
}
static struct ref *get_ref_map(struct remote *remote,
/* opportunistically-updated references: */
struct ref *orefs = NULL, **oref_tail = &orefs;
- struct string_list existing_refs = STRING_LIST_INIT_DUP;
+ struct hashmap existing_refs;
if (rs->nr) {
struct refspec *fetch_refspec;
ref_map = ref_remove_duplicates(ref_map);
- for_each_ref(add_existing, &existing_refs);
+ refname_hash_init(&existing_refs);
+ for_each_ref(add_one_refname, &existing_refs);
+
for (rm = ref_map; rm; rm = rm->next) {
if (rm->peer_ref) {
- struct string_list_item *peer_item =
- string_list_lookup(&existing_refs,
- rm->peer_ref->name);
+ const char *refname = rm->peer_ref->name;
+ struct refname_hash_entry *peer_item;
+
+ peer_item = hashmap_get_from_hash(&existing_refs,
+ strhash(refname),
+ refname);
if (peer_item) {
- struct object_id *old_oid = peer_item->util;
+ struct object_id *old_oid = &peer_item->oid;
oidcpy(&rm->peer_ref->old_oid, old_oid);
}
}
}
- string_list_clear(&existing_refs, 1);
+ hashmap_free(&existing_refs, 1);
return ref_map;
}