#!/usr/bin/bash
set -e

EXEC_TERMINAL=bash

usage() {
	echo "Usage: ${0##*/} [cmd]"
	echo '    -s [shell]         Change shell to [shell]'
	echo '    -h                 This help'
	exit 1
}

opts='s:h'

while getopts "${opts}" arg; do
	case "${arg}" in
	s) EXEC_TERMINAL="$OPTARG" ;;
	h | ?) usage 0 ;;
	*)
		echo "Invalid Argument '${arg}'!"
		usage 1
		;;
	esac
done

shift $(($OPTIND - 1))

initfile="$(mktemp)"
codefile="$initfile"
echo "#!/usr/bin/env bash" >"$initfile"
if [ "$EXEC_TERMINAL" != "bash" ]; then
	codefile="$(mktemp)"
	echo "$EXEC_TERMINAL $codefile" >>"$initfile"
fi
echo "$1" >>"$codefile"
chmod +x "$initfile"
cmd="\"$initfile\""