write_index: optionally allow broken null sha1s

diff --git a/builtin/fmt-merge-msg.c b/builtin/fmt-merge-msg.c
index 265a9253bfd7cacd730789212fdb5284fcd270ac..1c040708696c8d6e81023b3261966fa751f14ad4 100644 (file)
--- a/builtin/fmt-merge-msg.c
+++ b/builtin/fmt-merge-msg.c
@@ -287,10 +287,10 @@ static void credit_people(struct strbuf *out,
        const char *me;
 
        if (kind == 'a') {
-               label = "\n# By ";
+               label = "By";
                me = git_author_info(IDENT_NO_DATE);
        } else {
-               label = "\n# Via ";
+               label = "Via";
                me = git_committer_info(IDENT_NO_DATE);
        }
 
@@ -300,7 +300,7 @@ static void credit_people(struct strbuf *out,
             (me = skip_prefix(me, them->items->string)) != NULL &&
             skip_prefix(me, " <")))
                return;
-       strbuf_addstr(out, label);
+       strbuf_addf(out, "\n%c %s ", comment_line_char, label);
        add_people_count(out, them);
 }
 
@@ -503,14 +503,18 @@ static void fmt_merge_msg_sigs(struct strbuf *out)
                } else {
                        if (tag_number == 2) {
                                struct strbuf tagline = STRBUF_INIT;
-                               strbuf_addf(&tagline, "\n# %s\n",
-                                           origins.items[first_tag].string);
+                               strbuf_addch(&tagline, '\n');
+                               strbuf_add_commented_lines(&tagline,
+                                               origins.items[first_tag].string,
+                                               strlen(origins.items[first_tag].string));
                                strbuf_insert(&tagbuf, 0, tagline.buf,
                                              tagline.len);
                                strbuf_release(&tagline);
                        }
-                       strbuf_addf(&tagbuf, "\n# %s\n",
-                                   origins.items[i].string);
+                       strbuf_addch(&tagbuf, '\n');
+                       strbuf_add_commented_lines(&tagbuf,
+                                       origins.items[i].string,
+                                       strlen(origins.items[i].string));
                        fmt_tag_signature(&tagbuf, &sig, buf, len);
                }
                strbuf_release(&sig);