Merge branch 'cc/interpret-trailers'

Small fixes to a new experimental command already in 'master'.

* cc/interpret-trailers:
  trailer: display a trailer without its trailing newline
  trailer: ignore comment lines inside the trailers

trailer.c

@@ -582,8 +582,12 @@ static int parse_trailer(struct strbuf *tok, struct strbuf *val, const char *tra
 	strbuf_addch(&seps, '=');
 	len = strcspn(trailer, seps.buf);
 	strbuf_release(&seps);
-	if (len == 0)
-		return error(_("empty trailer token in trailer '%s'"), trailer);
+	if (len == 0) {
+		int l = strlen(trailer);
+		while (l > 0 && isspace(trailer[l - 1]))
+			l--;
+		return error(_("empty trailer token in trailer '%.*s'"), l, trailer);
+	}
 	if (len < strlen(trailer)) {
 		strbuf_add(tok, trailer, len);
 		strbuf_trim(tok);
@@ -803,8 +807,10 @@ static int process_input_file(struct strbuf **lines,
 
 	/* Parse trailer lines */
 	for (i = trailer_start; i < patch_start; i++) {
-		struct trailer_item *new = create_trailer_item(lines[i]->buf);
-		add_trailer_item(in_tok_first, in_tok_last, new);
+		if (lines[i]->buf[0] != comment_line_char) {
+			struct trailer_item *new = create_trailer_item(lines[i]->buf);
+			add_trailer_item(in_tok_first, in_tok_last, new);
+		}
 	}
 
 	return patch_start;