recursive_requisite.sls

config_update:
  file.managed:
    - name: /etc/somedir/someconfig
    - source: salt://base/somedir/someconfig
    - user: root
    - group: root
    - mode: 644
    - replace: False
    - order: 1 
    - require:
      - file: config_backup

config_backup:
  file.managed:
    - name: /etc/somedir/someconfig.bak
    - source: /etc/somedir/someconfig
    - user: root
    - group: root
    - mode: 644
    - onchanges:
      - file: config_update


[ERROR   ] Data passed to highstate outputter is not a valid highstate return: {'minion_id': ['A recursive requisite was found, SLS "config" ID "config_update" ID "config_backup"']}