#!/usr/bin/env bash
set -eo pipefail

SCRIPT="${BASH_SOURCE[0]}"

fail() {
  echo "ERR - $SCRIPT: $1"
  exit 1
}

DIR="$1"
if [[ -z $DIR ]]; then
  DIR=$(pwd)
fi
if [[ ! -d $DIR ]]; then
  echo "Usage: $SCRIPT <Project Directory>"
  exit 1
fi

pushd "$DIR" || fail "Couldn't enter directory."
  if [[ -x "run.sh" ]]; then
    ./run.sh
  elif [[ -f "Cargo.toml" ]]; then
    cargo run
  fi
popd >/dev/null || exit 1