- /* Guess at an initial size */
- size = entries * 40 + 400;
- buffer = malloc(size);
- offset = ORIG_OFFSET;
-
- for (i = 0; i < entries; i++) {
- struct cache_entry *ce = active_cache[i];
- if (check_valid_sha1(ce->sha1) < 0)
- exit(1);
- if (offset + ce->namelen + 60 > size) {
- size = alloc_nr(offset + ce->namelen + 60);
- buffer = realloc(buffer, size);
+ newfd = hold_index_file_for_update(&cache_file, get_index_file());
+ entries = read_cache();
+ if (argc == 2) {
+ if (!strcmp(argv[1], "--missing-ok"))
+ missing_ok = 1;
+ else
+ die(write_tree_usage);
+ }
+
+ if (argc > 2)
+ die("too many options");
+
+ if (entries < 0)
+ die("git-write-tree: error reading cache");
+
+ if (!active_cache_tree)
+ active_cache_tree = cache_tree();
+
+ was_valid = cache_tree_fully_valid(active_cache_tree);
+ if (!was_valid) {
+ if (cache_tree_update(active_cache_tree,
+ active_cache, active_nr,
+ missing_ok, 0) < 0)
+ die("git-write-tree: error building trees");
+ if (0 <= newfd) {
+ if (!write_cache(newfd, active_cache, active_nr))
+ commit_index_file(&cache_file);