rev-parse(1): logically group options

diff --git a/sha1_name.c b/sha1_name.c
index 01b36ead42c2c7d22550c83061e8ff17b91720f6..0077dbd50b516c9614573b5c6197fc627802527e 100644 (file)
--- a/sha1_name.c
+++ b/sha1_name.c
@@ -241,7 +241,7 @@ static int disambiguate_committish_only(const unsigned char *sha1, void *cb_data
                return 0;
 
        /* We need to do this the hard way... */
-       obj = deref_tag(lookup_object(sha1), NULL, 0);
+       obj = deref_tag(parse_object(sha1), NULL, 0);
        if (obj && obj->type == OBJ_COMMIT)
                return 1;
        return 0;
@@ -1065,9 +1065,13 @@ int interpret_branch_name(const char *name, struct strbuf *buf)
 int strbuf_branchname(struct strbuf *sb, const char *name)
 {
        int len = strlen(name);
-       if (interpret_branch_name(name, sb) == len)
+       int used = interpret_branch_name(name, sb);
+
+       if (used == len)
                return 0;
-       strbuf_add(sb, name, len);
+       if (used < 0)
+               used = 0;
+       strbuf_add(sb, name + used, len - used);
        return len;
 }