diff --git a/builtin-commit.c b/builtin-commit.c
index 07872c8ea71064c1bcf5813dd66b4a7e5feb9bec..90200ed643bcf21f28a66396f0d15db920a5d4c8 100644 (file)
--- a/builtin-commit.c
+++ b/builtin-commit.c
if (interactive) {
interactive_add(argc, argv, prefix);
+ if (read_cache() < 0)
+ die("index file corrupt");
commit_style = COMMIT_AS_IS;
return get_index_file();
}
{
struct object *obj = parse_object(sha1);
const char *parent = sha1_to_hex(sha1);
+ const char *cp;
+
if (!obj)
die("Unable to find commit parent %s", parent);
if (obj->type != OBJ_COMMIT)
die("Parent %s isn't a proper commit", parent);
+
+ for (cp = sb->buf; cp && (cp = strstr(cp, "\nparent ")); cp += 8) {
+ if (!memcmp(cp + 8, parent, 40) && cp[48] == '\n') {
+ error("duplicate parent %s ignored", parent);
+ return;
+ }
+ }
strbuf_addf(sb, "parent %s\n", parent);
}