Function detach_delta_base_cache_entry

packfile.c:1512–1518

* Remove the entry from the cache, but do _not_ free the associated * entry data. The caller takes ownership of the "data" buffer, and * should copy out any fields it wants before detaching. */

 * should copy out any fields it wants before detaching.
 */
static void detach_delta_base_cache_entry(struct delta_base_cache_entry *ent)
{
	hashmap_remove(&delta_base_cache, &ent->ent, &ent->key);
	list_del(&ent->lru);
	delta_base_cached -= ent->size;
	free(ent);
}

static void *cache_or_unpack_entry(struct repository *r, struct packed_git *p,
				   off_t base_offset, size_t *base_size,