read_index_from(): catch out of order entries when reading an index file

diff --git a/log-tree.c b/log-tree.c
index cf2f86c86632c6df8862fc065299e6cc35aa4829..f87b7e891adc5dfb429bc0ae35227e19f335b90f 100644 (file)
--- a/log-tree.c
+++ b/log-tree.c
@@ -365,6 +365,7 @@ static void show_sig_lines(struct rev_info *opt, int status, const char *bol)
                eol = strchrnul(bol, '\n');
                printf("%s%.*s%s%s", color, (int)(eol - bol), bol, reset,
                       *eol ? "\n" : "");
+               graph_show_oneline(opt->graph);
                bol = (*eol) ? (eol + 1) : eol;
        }
 }
@@ -376,7 +377,7 @@ static void show_signature(struct rev_info *opt, struct commit *commit)
        struct strbuf gpg_output = STRBUF_INIT;
        int status;
 
-       if (parse_signed_commit(commit->object.sha1, &payload, &signature) <= 0)
+       if (parse_signed_commit(commit, &payload, &signature) <= 0)
                goto out;
 
        status = verify_signed_buffer(payload.buf, payload.len,
@@ -446,16 +447,17 @@ static void show_one_mergetag(struct rev_info *opt,
 
        payload_size = parse_signature(extra->value, extra->len);
        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, NULL)) {
-                       if (verify_message.len <= gpg_message_offset)
-                               strbuf_addstr(&verify_message, "No signature\n");
-                       else
-                               status = 0;
-               }
+       if (extra->len > payload_size) {
+               /* could have a good signature */
+               if (!verify_signed_buffer(extra->value, payload_size,
+                                         extra->value + payload_size,
+                                         extra->len - payload_size,
+                                         &verify_message, NULL))
+                       status = 0; /* good */
+               else if (verify_message.len <= gpg_message_offset)
+                       strbuf_addstr(&verify_message, "No signature\n");
+               /* otherwise we couldn't verify, which is shown as bad */
+       }
 
        show_sig_lines(opt, status, verify_message.buf);
        strbuf_release(&verify_message);
@@ -588,7 +590,7 @@ void show_log(struct rev_info *opt)
                show_mergetag(opt, commit);
        }
 
-       if (!commit->buffer)
+       if (!get_cached_commit_buffer(commit, NULL))
                return;
 
        if (opt->show_notes) {