t3211: demonstrate loss of peeled refs if a packed ref is deleted

diff --git a/log-tree.c b/log-tree.c
index c894930c1863bfcf33a01b2d98c48478aa874186..4f86defe324bac8374585df5d9e8ef7b5f9a3524 100644 (file)
--- a/log-tree.c
+++ b/log-tree.c
@@ -540,7 +540,6 @@ void show_log(struct rev_info *opt)
        struct pretty_print_context ctx = {0};
 
        opt->loginfo = NULL;
-       ctx.show_notes = opt->show_notes;
        if (!opt->verbose_header) {
                graph_show_commit(opt->graph);
 
@@ -648,6 +647,18 @@ void show_log(struct rev_info *opt)
        if (!commit->buffer)
                return;
 
+       if (opt->show_notes) {
+               int raw;
+               struct strbuf notebuf = STRBUF_INIT;
+
+               raw = (opt->commit_format == CMIT_FMT_USERFORMAT);
+               format_display_notes(commit->object.sha1, &notebuf,
+                                    get_log_output_encoding(), raw);
+               ctx.notes_message = notebuf.len
+                       ? strbuf_detach(&notebuf, NULL)
+                       : xcalloc(1, 1);
+       }
+
        /*
         * And then the pretty-printed message itself
         */
@@ -664,6 +675,16 @@ void show_log(struct rev_info *opt)
 
        if (opt->add_signoff)
                append_signoff(&msgbuf, opt->add_signoff);
+
+       if ((ctx.fmt != CMIT_FMT_USERFORMAT) &&
+           ctx.notes_message && *ctx.notes_message) {
+               if (ctx.fmt == CMIT_FMT_EMAIL) {
+                       strbuf_addstr(&msgbuf, "---\n");
+                       opt->shown_dashes = 1;
+               }
+               strbuf_addstr(&msgbuf, ctx.notes_message);
+       }
+
        if (opt->show_log_size) {
                printf("log size %i\n", (int)msgbuf.len);
                graph_show_oneline(opt->graph);
@@ -689,10 +710,12 @@ void show_log(struct rev_info *opt)
        }
 
        strbuf_release(&msgbuf);
+       free(ctx.notes_message);
 }
 
 int log_tree_diff_flush(struct rev_info *opt)
 {
+       opt->shown_dashes = 0;
        diffcore_std(&opt->diffopt);
 
        if (diff_queue_is_empty()) {
@@ -704,15 +727,16 @@ int log_tree_diff_flush(struct rev_info *opt)
        }
 
        if (opt->loginfo && !opt->no_commit_id) {
-               /* When showing a verbose header (i.e. log message),
-                * and not in --pretty=oneline format, we would want
-                * an extra newline between the end of log and the
-                * output for readability.
-                */
                show_log(opt);
                if ((opt->diffopt.output_format & ~DIFF_FORMAT_NO_OUTPUT) &&
                    opt->verbose_header &&
                    opt->commit_format != CMIT_FMT_ONELINE) {
+                       /*
+                        * When showing a verbose header (i.e. log message),
+                        * and not in --pretty=oneline format, we would want
+                        * an extra newline between the end of log and the
+                        * diff/diffstat output for readability.
+                        */
                        int pch = DIFF_FORMAT_DIFFSTAT | DIFF_FORMAT_PATCH;
                        if (opt->diffopt.output_prefix) {
                                struct strbuf *msg = NULL;
@@ -720,9 +744,20 @@ int log_tree_diff_flush(struct rev_info *opt)
                                        opt->diffopt.output_prefix_data);
                                fwrite(msg->buf, msg->len, 1, stdout);
                        }
-                       if ((pch & opt->diffopt.output_format) == pch) {
+
+                       /*
+                        * We may have shown three-dashes line early
+                        * between notes and the log message, in which
+                        * case we only want a blank line after the
+                        * notes without (an extra) three-dashes line.
+                        * Otherwise, we show the three-dashes line if
+                        * we are showing the patch with diffstat, but
+                        * in that case, there is no extra blank line
+                        * after the three-dashes line.
+                        */
+                       if (!opt->shown_dashes &&
+                           (pch & opt->diffopt.output_format) == pch)
                                printf("---");
-                       }
                        putchar('\n');
                }
        }