#!/usr/bin/env bash
set -eo pipefail
[[ $DOKKU_TRACE ]] && set -x

cmd-standard-help() {
  declare desc="help command"
  declare CMD="$1"

  [[ $(echo "$CMD" | sed '/.*:help/!d') ]] && help_topic="${CMD%\:help}"
  if [[ $help_topic ]]; then
    fn-help-content | sed "/^\s*$help_topic\s/!d" | sort | sed '/^.*:/d' | column -c2 -t -s,
  else
    fn-help-content
  fi
}

fn-help-content() {
  declare desc="return help content"
  cat <<help_content
    cleanup [<app>], Cleans up exited/dead Docker containers and removes dangling images
    url <app>, Show the first URL for an application (compatibility)
    urls <app>, Show all URLs for an application
    version , Print dokku's version
    help , Print the list of commands
help_content
}