#+title: System Management Script

#+begin_src sh
  #!/bin/sh

  usage ()
  {
      echo "Usage: $0 [command] where command is one of"
      echo "help    - show this message and exit"
      echo "backup  - push the configuration to the remote"
      echo "update  - update the system"
      echo "install - install the system configurations"
  }

  [ "$#" -eq 0 ] && usage && exit 1

  dir="$pwd"
  cd ~/.dotfiles || exit 1

  case "$1" in
      help)
          usage
          cd "$dir" || exit 1
          exit 0
          ;;
      backup)
          git push
          cd "$dir" || exit 1
          exit 0
          ;;
      update)
          make update
          cd "$dir" || exit 1
          exit 0
          ;;
      install)
          make install
          cd "$dir" || exit 1
          exit 0
          ;;
      ,*)
          usage
          cd "$dir" || exit 1
          exit 1
          ;;
  esac
#+end_src