#!/usr/bin/env bash

if [ $# -ne 1 ]; then
  echo "Usage: $(basename "$0") <branch>"
  exit 1
fi

compareWith="$1"
currentBranch="$(git branch --show-current)"

if [ -n "$(git status --porcelain)" ]; then
  echo "$currentBranch is not clean, please stash or commit your changes!"
  exit 1
fi

hyperfine \
  -w 5 \
	-c "git checkout $currentBranch" \
  -p "make build" \
  -p "git checkout $compareWith; make build" \
  -n "$currentBranch" \
  -n "$compareWith" \
  './monkey examples/fib.monkey' \
  './monkey examples/fib.monkey'