Remove unreachable statements

diff --git a/log-tree.c b/log-tree.c
index 3e5e6acfafb5345b8ed4f67599270e841b194ade..a34beb0b027eaec59fa75d1fa18324a8f24eb13d 100644 (file)
--- a/log-tree.c
+++ b/log-tree.c
@@ -15,7 +15,7 @@ static void show_parents(struct commit *commit, int abbrev)
        }
 }
 
-static void show_decorations(struct commit *commit)
+void show_decorations(struct commit *commit)
 {
        const char *prefix;
        struct name_decoration *decoration;
@@ -125,6 +125,18 @@ static unsigned int digits_in_number(unsigned int number)
        return result;
 }
 
+static int has_non_ascii(const char *s)
+{
+       int ch;
+       if (!s)
+               return 0;
+       while ((ch = *s++) != '\0') {
+               if (non_ascii(ch))
+                       return 1;
+       }
+       return 0;
+}
+
 void show_log(struct rev_info *opt, const char *sep)
 {
        struct strbuf msgbuf;
@@ -273,14 +285,16 @@ void show_log(struct rev_info *opt, const char *sep)
         */
        strbuf_init(&msgbuf, 0);
        pretty_print_commit(opt->commit_format, commit, &msgbuf,
-                                 abbrev, subject, extra_headers, opt->date_mode);
+                           abbrev, subject, extra_headers, opt->date_mode,
+                           has_non_ascii(opt->add_signoff));
 
        if (opt->add_signoff)
                append_signoff(&msgbuf, opt->add_signoff);
        if (opt->show_log_size)
                printf("log size %i\n", (int)msgbuf.len);
 
-       printf("%s%s%s", msgbuf.buf, extra, sep);
+       if (msgbuf.len)
+               printf("%s%s%s", msgbuf.buf, extra, sep);
        strbuf_release(&msgbuf);
 }
 
@@ -303,7 +317,8 @@ int log_tree_diff_flush(struct rev_info *opt)
                 * output for readability.
                 */
                show_log(opt, opt->diffopt.msg_sep);
-               if (opt->verbose_header &&
+               if ((opt->diffopt.output_format & ~DIFF_FORMAT_NO_OUTPUT) &&
+                   opt->verbose_header &&
                    opt->commit_format != CMIT_FMT_ONELINE) {
                        int pch = DIFF_FORMAT_DIFFSTAT | DIFF_FORMAT_PATCH;
                        if ((pch & opt->diffopt.output_format) == pch)