mergetools / kompareon commit diff-highlight: use test_tick in graph test (53ab9f0)
   1can_merge () {
   2        return 1
   3}
   4
   5diff_cmd () {
   6        "$merge_tool_path" "$LOCAL" "$REMOTE"
   7}
   8
   9exit_code_trustable () {
  10        true
  11}