Function write_bundle_refs

bundle.c:383–444

* Write out bundle refs based on the tips already * parsed into revs.pending. As a side effect, may * manipulate revs.pending to include additional * necessary objects (like tags). * * Returns the number of refs written, or negative * on error. */

 * on error.
 */
static int write_bundle_refs(int bundle_fd, struct rev_info *revs)
{
	int i;
	int ref_count = 0;
	struct strset objects = STRSET_INIT;

	for (i = 0; i < revs->pending.nr; i++) {
		struct object_array_entry *e = revs->pending.objects + i;
		struct object_id oid;
		char *ref;
		const char *display_ref;
		int flag;

		if (e->item->flags & UNINTERESTING)
			continue;
		if (repo_dwim_ref(the_repository, e->name, strlen(e->name),
				  &oid, &ref, 0) != 1)
			goto skip_write_ref;
		if (refs_read_ref_full(get_main_ref_store(the_repository), e->name, RESOLVE_REF_READING, &oid, &flag))
			flag = 0;
		display_ref = (flag & REF_ISSYMREF) ? e->name : ref;

		if (strset_contains(&objects, display_ref))
			goto skip_write_ref;

		if (e->item->type == OBJ_TAG &&
				!is_tag_in_date_range(e->item, revs)) {
			e->item->flags |= UNINTERESTING;
			goto skip_write_ref;
		}

		/*
		 * Make sure the refs we wrote out is correct; --max-count and
		 * other limiting options could have prevented all the tips
		 * from getting output.
		 *
		 * Non commit objects such as tags and blobs do not have
		 * this issue as they are not affected by those extra
		 * constraints.
		 */
		if (!(e->item->flags & SHOWN) && e->item->type == OBJ_COMMIT) {
			warning(_("ref '%s' is excluded by the rev-list options"),
				e->name);
			goto skip_write_ref;
		}

		ref_count++;
		strset_add(&objects, display_ref);
		write_or_die(bundle_fd, oid_to_hex(&e->item->oid), the_hash_algo->hexsz);
		write_or_die(bundle_fd, " ", 1);
		write_or_die(bundle_fd, display_ref, strlen(display_ref));
		write_or_die(bundle_fd, "\n", 1);
 skip_write_ref:
		free(ref);
	}

	strset_clear(&objects);