worktree: rename is_worktree_locked to worktree_lock_reason

diff --git a/builtin/pack-objects.c b/builtin/pack-objects.c
index e6316d294dca1a84149af0bb439027454c54e720..e50c6cd1ff25ce4d65e0ebd854d052c3d1160a2a 100644 (file)
--- a/builtin/pack-objects.c
+++ b/builtin/pack-objects.c
@@ -1469,6 +1469,57 @@ static void cleanup_preferred_base(void)
        done_pbase_paths_num = done_pbase_paths_alloc = 0;
 }
 
+/*
+ * Return 1 iff the object specified by "delta" can be sent
+ * literally as a delta against the base in "base_sha1". If
+ * so, then *base_out will point to the entry in our packing
+ * list, or NULL if we must use the external-base list.
+ *
+ * Depth value does not matter - find_deltas() will
+ * never consider reused delta as the base object to
+ * deltify other objects against, in order to avoid
+ * circular deltas.
+ */
+static int can_reuse_delta(const unsigned char *base_sha1,
+                          struct object_entry *delta,
+                          struct object_entry **base_out)
+{
+       struct object_entry *base;
+
+       if (!base_sha1)
+               return 0;
+
+       /*
+        * First see if we're already sending the base (or it's explicitly in
+        * our "excluded" list).
+        */
+       base = packlist_find(&to_pack, base_sha1, NULL);
+       if (base) {
+               if (!in_same_island(&delta->idx.oid, &base->idx.oid))
+                       return 0;
+               *base_out = base;
+               return 1;
+       }
+
+       /*
+        * Otherwise, reachability bitmaps may tell us if the receiver has it,
+        * even if it was buried too deep in history to make it into the
+        * packing list.
+        */
+       if (thin && bitmap_has_sha1_in_uninteresting(bitmap_git, base_sha1)) {
+               if (use_delta_islands) {
+                       struct object_id base_oid;
+                       hashcpy(base_oid.hash, base_sha1);
+                       if (!in_same_island(&delta->idx.oid, &base_oid))
+                               return 0;
+               }
+               *base_out = NULL;
+               return 1;
+       }
+
+       return 0;
+}
+
 static void check_object(struct object_entry *entry)
 {
        unsigned long canonical_size;
@@ -1555,22 +1606,7 @@ static void check_object(struct object_entry *entry)
                        break;
                }
 
-               if (base_ref && (
-                   (base_entry = packlist_find(&to_pack, base_ref, NULL)) ||
-                   (thin &&
-                    bitmap_has_sha1_in_uninteresting(bitmap_git, base_ref))) &&
-                   in_same_island(&entry->idx.oid, &base_entry->idx.oid)) {
-                       /*
-                        * If base_ref was set above that means we wish to
-                        * reuse delta data, and either we found that object in
-                        * the list of objects we want to pack, or it's one we
-                        * know the receiver has.
-                        *
-                        * Depth value does not matter - find_deltas() will
-                        * never consider reused delta as the base object to
-                        * deltify other objects against, in order to avoid
-                        * circular deltas.
-                        */
+               if (can_reuse_delta(base_ref, entry, &base_entry)) {
                        oe_set_type(entry, entry->in_pack_type);
                        SET_SIZE(entry, in_pack_size); /* delta size */
                        SET_DELTA_SIZE(entry, in_pack_size);
@@ -2363,7 +2399,6 @@ static void init_threaded_search(void)
        pthread_mutex_init(&cache_mutex, NULL);
        pthread_mutex_init(&progress_mutex, NULL);
        pthread_cond_init(&progress_cond, NULL);
-       pthread_mutex_init(&to_pack.lock, NULL);
        old_try_to_free_routine = set_try_to_free_routine(try_to_free_from_threads);
 }
 
@@ -3070,7 +3105,7 @@ static void get_object_list(int ac, const char **av)
        char line[1000];
        int flags = 0;
 
-       init_revisions(&revs, NULL);
+       repo_init_revisions(the_repository, &revs, NULL);
        save_commit_buffer = 0;
        setup_revisions(ac, av, &revs, NULL);