#!/bin/bash

set -euo pipefail

ROOT_DIR="$(cd "$(dirname "$0")/.." && pwd)"
RUBY_VERSION="$(cat "$ROOT_DIR/.ruby-version")"

if [[ "$(uname)" = "Linux" ]]; then
  echo "*** installing Linux prerequisites"
  sudo apt install -y \
    build-essential \
    git \
    inotify-tools \
    libffi-dev \
    libyaml-dev \
    pkg-config \
    zlib1g-dev
fi

cd "$ROOT_DIR"

if command -v rbenv >/dev/null 2>/dev/null; then
  echo "*** using rbenv (ruby $RUBY_VERSION)"
  rbenv install -s "$RUBY_VERSION"
  if ! rbenv exec gem list -i bundler >/dev/null 2>/dev/null; then
    rbenv exec gem install bundler
  fi
  rbenv exec bundle install
else
  echo "*** rbenv not found, using system Ruby"
  if ! gem list -i bundler >/dev/null 2>/dev/null; then
    gem install bundler
  fi
  bundle install
fi

echo "*** done"