lightning-runner/⚡

#!/usr/bin/env bash

main() {
  redefine-functions-defined-with-selector-16
  if [[ $(type -t "⚡$1") == "function" ]]; then
    ⚡$1
  else
    ⚡help
  fi
}

redefine-functions-defined-with-selector-16() {
  for function in $(compgen -c $(printf "⚡\uFE0F")); do
    original_definition="$(typeset -f $function)"
    eval "${original_definition//$(printf "⚡\uFE0F")/⚡}"
    unset $function
  done
}

⚡help() {
  _help-line "Show this list" "$@"
  echo Usage: "$0" SUBCOMMAND
  echo
  echo "Available subcommands:"
  for subcommand in $(_subcommands); do
    if [[ $(type ⚡$subcommand) =~ _help-line ]]; then
      printf "\t%-20s - %s\n" "$subcommand" "$(⚡$subcommand help-line)"
    else
      printf "\t%-20s\n" $subcommand
    fi
  done
}

_subcommands() {
  compgen -c ⚡ | cut -c2-
}

_help-line() {
  if [[ "$#" == 2 && "$2" == "help-line" ]]; then
    echo "$1" && exit 0
  fi
}

_good-message() {
  echo -e "\e[32m$@\e[0m"
}

_bad-message() {
  echo -e "\e[31m$@\e[0m"
}

[[ $(type -t _verify-prerequisites) == "function" ]] && ! _verify-prerequisites && exit 1

main "$@"