#!/usr/bin/sh

set -e
set -u

case "${1}" in
  install)
    if ! /usr/bin/getent passwd 'git' > '/dev/null' 2>&1; then
      /usr/sbin/adduser --quiet \
                        --system \
                        --home '/nonexistent' \
                        --shell '/usr/sbin/nologin' \
                        --no-create-home \
                        --group \
                        --disabled-password \
                        --disabled-login \
                        'git' > '/dev/null' 2>&1
      /usr/bin/echo "########################################################################"
      /usr/bin/echo "#                                                                      #"
      /usr/bin/echo "#  ! Run this commands as User 'git' and add your Gitea-Credentials !  #"
      /usr/bin/echo "#               ! to activate the Gitea Action Runner !                #"
      /usr/bin/echo "#                                                                      #"
      /usr/bin/echo "# /usr/bin/sudo --user='git' \                                         #"
      /usr/bin/echo "#   /usr/bin/act_runner register \                                     #"
      /usr/bin/echo "#     --config '/etc/act_runner/act_runner.yaml' \                     #"
      /usr/bin/echo "#     --no-interactive \                                               #"
      /usr/bin/echo "#     --instance 'https://<URL>/' \                                    #"
      /usr/bin/echo "#     --labels '<LABEL>:<HOST>' \                                      #"
      /usr/bin/echo "#     --name '<NAME>' \                                                #"
      /usr/bin/echo "#     --token '<TOKEN>'                                                #"
      /usr/bin/echo "#                                                                      #"
      /usr/bin/echo "# /bin/chmod '0440' '/etc/act_runner/act_runner'                       #"
      /usr/bin/echo "#                                                                      #"
      /usr/bin/echo "# /bin/chgrp 'root' '/etc/act_runner/act_runner'                       #"
      /usr/bin/echo "#                                                                      #"
      /usr/bin/echo "########################################################################"
    fi
  ;;
esac