log-tree: rely upon the check in the gpg_interface

It's just so much clearer.

Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/log-tree.c b/log-tree.c
index 4f86def..ff9522f 100644 (file)
--- a/log-tree.c
+++ b/log-tree.c
@@ -498,20 +498,17 @@ static void show_one_mergetag(struct rev_info *opt,
        gpg_message_offset = verify_message.len;
 
        payload_size = parse_signature(extra->value, extra->len);
-       if ((extra->len <= payload_size) ||
-           (verify_signed_buffer(extra->value, payload_size,
-                                 extra->value + payload_size,
-                                 extra->len - payload_size,
-                                 &verify_message) &&
-            verify_message.len <= gpg_message_offset)) {
-               strbuf_addstr(&verify_message, "No signature\n");
-               status = -1;
-       }
-       else if (strstr(verify_message.buf + gpg_message_offset,
-                       ": Good signature from "))
-               status = 0;
-       else
-               status = -1;
+       status = -1;
+       if (extra->len > payload_size)
+               if (verify_signed_buffer(extra->value, payload_size,
+                                        extra->value + payload_size,
+                                        extra->len - payload_size,
+                                        &verify_message)) {
+                       if (verify_message.len <= gpg_message_offset)
+                               strbuf_addstr(&verify_message, "No signature\n");
+                       else
+                               status = 0;
+               }
 
        show_sig_lines(opt, status, verify_message.buf);
        strbuf_release(&verify_message);