#!/usr/bin/env bash
[[ " help tags:help " == *" $1 "* ]] || exit "$DOKKU_NOT_IMPLEMENTED_EXIT"
set -eo pipefail; [[ $DOKKU_TRACE ]] && set -x

case "$1" in
  help | tags:help)
    help_content_func () {
      declare desc="return tags plugin help content"
      cat<<help_content
    tags <app>, List all app image tags
    tags:create <app> <tag>, Add tag to latest running app image
    tags:deploy <app> <tag>, Deploy tagged app image
    tags:destroy <app> <tag>, Remove app image tag
help_content
    }

    if [[ $1 = "tags:help" ]] ; then
        echo -e 'Usage: dokku tags[:COMMAND]'
        echo ''
        echo 'Manage docker image tags.'
        echo ''
        echo 'Additional commands:'
        help_content_func | sort | column -c2 -t -s,
    else
        help_content_func
    fi
    ;;

  *)
    exit "$DOKKU_NOT_IMPLEMENTED_EXIT"
    ;;

esac
