#!/usr/bin/env bash

# This script performs one-time bootstrap of required repo tooling to the developer 
# machine.
#
# Once just is installed, everything else can be managed via the justfiles + Bazel
#

set -euo pipefail

bin="${1:-$HOME/bin}"
hackdir="$(pwd)/$(dirname "${BASH_SOURCE[0]}")"

VERSION="1.1.2"
OS="apple-darwin"
if [[ "$OSTYPE" == "linux-gnu"* ]]; then
  OS="unknown-linux-musl"
fi

# determine the architecture 
# apple silicon should use aarch64 https://github.com/casey/just/issues/1132
ARCH="aarch64"
MACHINE_TYPE=$(uname -m)
if [ "${MACHINE_TYPE}" == 'x86_64' ]; then
  ARCH="x86_64"
fi

JUST_DOWNLOAD_URL="https://github.com/casey/just/releases/download/$VERSION/just-$VERSION-$ARCH-$OS.tar.gz"

echo "================================"
echo "Creating $bin if it doesn't exist"
echo "================================"
mkdir -p "$bin"

echo "================================"
echo "Downloading just release tarball"
echo "================================"
rm -rf tmp
mkdir tmp

(
  cd tmp
  curl -L "$JUST_DOWNLOAD_URL" | tar xz
  echo "================================"
  echo "Moving just to $bin/just"
  echo "================================"
  chmod +x just
  mv just "$bin"/just
)


echo "================================"
echo "Testing just"
echo "================================"
"$bin"/just --version

echo "================================"
echo "Cleaning up tmpdir"
echo "================================"
cd .. || exit
rm -rf tmp

echo "================================"
echo "Installing Bazel and iBazel"
echo "================================"
"$bin"/just -d "$hackdir" -f "$hackdir/justfile" bin_dir="$bin" bazel

echo "================================"
echo "Testing just"
echo "================================"
"$bin"/just --version