Function do_write_locked_index

read-cache.c:3121–3159

}

static int do_write_locked_index(struct index_state *istate,
				 struct lock_file *lock,
				 unsigned flags,
				 enum write_extensions write_extensions)
{
	int ret;
	int was_full = istate->sparse_index == INDEX_EXPANDED;

	ret = convert_to_sparse(istate, 0);

	if (ret) {
		warning(_("failed to convert to a sparse-index"));
		return ret;
	}

	trace2_region_enter_printf("index", "do_write_index", istate->repo,
				   "%s", get_lock_file_path(lock));
	ret = do_write_index(istate, lock->tempfile, write_extensions, flags);
	trace2_region_leave_printf("index", "do_write_index", istate->repo,
				   "%s", get_lock_file_path(lock));

	if (was_full)
		ensure_full_index(istate);

	if (ret)
		return ret;
	if (flags & COMMIT_LOCK)
		ret = commit_locked_index(lock);
	else
		ret = close_lock_file_gently(lock);

	run_hooks_l(the_repository, "post-index-change",
		    istate->updated_workdir ? "1" : "0",
		    istate->updated_skipworktree ? "1" : "0", NULL);
	istate->updated_workdir = 0;
	istate->updated_skipworktree = 0;

	return ret;
}

static int write_split_index(struct index_state *istate,
			     struct lock_file *lock,