Merge branch 'fs/find-end-of-log-message-fix'

The code to find the effective end of log message can fall into an
endless loop, which has been corrected.

* fs/find-end-of-log-message-fix:
  wt-status: don't find scissors line beyond buf len

Author: gitster

t/t7513-interpret-trailers.sh

@@ -1935,4 +1935,18 @@ test_expect_success 'suppressing --- does not disable cut-line handling' '
 	test_cmp expected actual
 '
 
+test_expect_success 'handling of --- lines in conjunction with cut-lines' '
+	echo "my-trailer: here" >expected &&
+
+	git interpret-trailers --parse >actual <<-\EOF &&
+	subject
+
+	my-trailer: here
+	---
+	# ------------------------ >8 ------------------------
+	EOF
+
+	test_cmp expected actual
+'
+
 test_done

wt-status.c

@@ -1093,8 +1093,11 @@ size_t wt_status_locate_end(const char *s, size_t len)
 	strbuf_addf(&pattern, "\n%c %s", comment_line_char, cut_line);
 	if (starts_with(s, pattern.buf + 1))
 		len = 0;
-	else if ((p = strstr(s, pattern.buf)))
-		len = p - s + 1;
+	else if ((p = strstr(s, pattern.buf))) {
+		size_t newlen = p - s + 1;
+		if (newlen < len)
+			len = newlen;
+	}
 	strbuf_release(&pattern);
 	return len;
 }