#!/usr/bin/env bash

set -e

git diff --cached --name-only --diff-filter=ACM | while read file; do
  if [[ "$file" =~ (\.ml|\.mli)$ ]]; then
    # Convert from OCaml to ReasonML
    newfile=$(echo $file | sed 's/-ocaml/-reason/' | sed 's/\.ml/\.re/')
    echo "Converting $file to $newfile"
    node_modules/.bin/bsrefmt --parse=ml -p re $file >$newfile
    git add "$newfile"
  elif [[ "$file" =~ (\.re|\.rei)$ ]]; then
    # Convert from ReasonML to OCaml
    newfile=$(echo $file | sed 's/-reason/-ocaml/' | sed 's/\.re/\.ml/')
    echo "Converting $file to $newfile"
    node_modules/.bin/bsrefmt --parse=re -p ml $file >$newfile
    git add "$newfile"
  else
    [[ "$VERBOSE" = "" ]] || echo "Leaving $file as is"
  fi
done