tree d70c6fb8cf07e6dff3fd1a4cbef9cc9d1123f88a
parent 5e0145b16e4e0e0111295aac45de1ce54afbd523
author Martin Horak <horak.martin@gmail.com> 1531901751 +0200
committer Martin Horak <horak.martin@gmail.com> 1531901751 +0200

Rewrite update script:
  Fix nonexistent $SCRIPT variable.
  Better parameters handling.
  Add usage info.