X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=builtin-write-tree.c;h=c2187997447df64948577d8a9a78f4462239b369;hb=d8933f013a66cc1deadf83a9c24eccb6fee78a35;hp=391de53972ebf77d2e08f1b405969e065bd8b371;hpb=6169a89c4fd29cf9c747bab7bd310877328bc7e2;p=git.git

diff --git a/builtin-write-tree.c b/builtin-write-tree.c
index 391de5397..c21879974 100644
--- a/builtin-write-tree.c
+++ b/builtin-write-tree.c
@@ -11,65 +11,14 @@
 static const char write_tree_usage[] =
 "git-write-tree [--missing-ok] [--prefix=<prefix>/]";
 
-int write_tree(unsigned char *sha1, int missing_ok, const char *prefix)
-{
-	int entries, was_valid, newfd;
-
-	/* We can't free this memory, it becomes part of a linked list parsed atexit() */
-	struct lock_file *lock_file = xcalloc(1, sizeof(struct lock_file));
-
-	newfd = hold_locked_index(lock_file, 1);
-
-	entries = read_cache();
-	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)
-					&& !close(newfd)) {
-				commit_lock_file(lock_file);
-				newfd = -1;
-			}
-		}
-		/* Not being able to write is fine -- we are only interested
-		 * in updating the cache-tree part, and if the next caller
-		 * ends up using the old index with unupdated cache-tree part
-		 * it misses the work we did here, but that is just a
-		 * performance penalty and not a big deal.
-		 */
-	}
-
-	if (prefix) {
-		struct cache_tree *subtree =
-			cache_tree_find(active_cache_tree, prefix);
-		hashcpy(sha1, subtree->sha1);
-	}
-	else
-		hashcpy(sha1, active_cache_tree->sha1);
-
-	if (0 <= newfd)
-		close(newfd);
-	rollback_lock_file(lock_file);
-
-	return 0;
-}
-
 int cmd_write_tree(int argc, const char **argv, const char *unused_prefix)
 {
 	int missing_ok = 0, ret;
 	const char *prefix = NULL;
 	unsigned char sha1[20];
+	const char *me = "git-write-tree";
 
+	git_config(git_default_config, NULL);
 	while (1 < argc) {
 		const char *arg = argv[1];
 		if (!strcmp(arg, "--missing-ok"))
@@ -84,8 +33,20 @@ int cmd_write_tree(int argc, const char **argv, const char *unused_prefix)
 	if (argc > 2)
 		die("too many options");
 
-	ret = write_tree(sha1, missing_ok, prefix);
-	printf("%s\n", sha1_to_hex(sha1));
-
+	ret = write_cache_as_tree(sha1, missing_ok, prefix);
+	switch (ret) {
+	case 0:
+		printf("%s\n", sha1_to_hex(sha1));
+		break;
+	case WRITE_TREE_UNREADABLE_INDEX:
+		die("%s: error reading the index", me);
+		break;
+	case WRITE_TREE_UNMERGED_INDEX:
+		die("%s: error building trees; the index is unmerged?", me);
+		break;
+	case WRITE_TREE_PREFIX_ERROR:
+		die("%s: prefix %s not found", me, prefix);
+		break;
+	}
 	return ret;
 }