#!/bin/bash

set -e

# Taken from https://git.io/JJOXZ

function fetch() {
  path="examples/$1"
  url=$2
  sha=$3

  if [ ! -d "$path" ]; then
    git clone --depth 1 --branch "$sha" "https://github.com/$url" "$path"
  fi

  pushd "$path" >/dev/null
  git fetch --depth 1 origin "$sha" && git reset --hard "$sha"
  popd >/dev/null
}

mkdir -p examples

fetch "hack-sql-fake" "slackhq/hack-sql-fake" "v4.0.5"
fetch "hack-json-schema" "slackhq/hack-json-schema" "v4.27.1"
fetch "hhvm" "facebook/hhvm" "HHVM-4.67.0"