#!/bin/sh

post_install() {
  systemd-sysusers git.conf

  if ! grep -qe '^/usr/bin/git-shell$' etc/shells; then
    echo '/usr/bin/git-shell' >> etc/shells
  fi

  chsh -s /usr/bin/git-shell git
}

post_upgrade() {
  post_install $1
}

post_remove() {
  sed -i -r '/^\/usr\/bin\/git-shell$/d' etc/shells
}