Update the documentation for git-merge-base

[git.git] / commit-tree.c

diff --git a/commit-tree.c b/commit-tree.c
index 2d86518..0320036 100644 (file)
--- a/commit-tree.c
+++ b/commit-tree.c
@@ -45,14 +45,13 @@ static void add_buffer(char **bufp, unsigned int *sizep, const char *fmt, ...)
 
 static void check_valid(unsigned char *sha1, const char *expect)
 {
-       void *buf;
        char type[20];
-       unsigned long size;
 
-       buf = read_sha1_file(sha1, type, &size);
-       if (!buf || strcmp(type, expect))
-               die("%s is not a valid '%s' object", sha1_to_hex(sha1), expect);
-       free(buf);
+       if (sha1_object_info(sha1, type, NULL))
+               die("%s is not a valid object", sha1_to_hex(sha1));
+       if (expect && strcmp(type, expect))
+               die("%s is not a valid '%s' object", sha1_to_hex(sha1),
+                   expect);
 }
 
 /*
@@ -92,15 +91,19 @@ int main(int argc, char **argv)
 
        git_config(git_default_config);
 
-       if (argc < 2 || get_sha1_hex(argv[1], tree_sha1) < 0)
+       if (argc < 2)
                usage(commit_tree_usage);
+       if (get_sha1(argv[1], tree_sha1))
+               die("Not a valid object name %s", argv[1]);
 
        check_valid(tree_sha1, tree_type);
        for (i = 2; i < argc; i += 2) {
                char *a, *b;
                a = argv[i]; b = argv[i+1];
-               if (!b || strcmp(a, "-p") || get_sha1(b, parent_sha1[parents]))
+               if (!b || strcmp(a, "-p"))
                        usage(commit_tree_usage);
+               if (get_sha1(b, parent_sha1[parents]))
+                       die("Not a valid object name %s", b);
                check_valid(parent_sha1[parents], commit_type);
                if (new_parent(parents))
                        parents++;