files for cmake had some minor bugs causing this.
      
per-file comments:
  mysql-test/CMakeLists.txt
Bug#54129      Missing the execute bit for scripts
    use same permissions as in the source folder

  mysql-test/t/disabled.def
Bug#54129      Missing the execute bit for scripts
      mysqlhotcopy tests enabled

  scripts/CMakeLists.txt
Bug#54129      Missing the execute bit for scripts
    chmod +x for the script files