#!/usr/bin/env bash

set -ex

if [ -n "${TRAVIS_TAG-}" ]
then
  ver="$TRAVIS_TAG"
elif [ -n "${TRAVIS_COMMIT-}" ]
then
  ver="$TRAVIS_COMMIT"
else
  ver="$(git rev-parse HEAD)"
fi

traced () {
  echo '$' "$@" >&2; "$@"
}

buildTarball () {
  local plat=${1}
  local haskbin=${2}

  tmp=$(mktemp -d)
  mkdir -p $tmp/$ver-$plat

  # Fetch the vere binary and unpack it into its destination
  wget "https://bootstrap.urbit.org/vere-$ver-$plat.tgz"
  tar xzvf vere-$ver-$plat.tgz --strip=1 -C $tmp/$ver-$plat

  # Fetch king haskell and give it executable permissions.
  wget "https://bootstrap.urbit.org/$haskbin-$ver" -O $tmp/$ver-$plat/urbit-king
  chmod 555 $tmp/$ver-$plat/urbit-king

  echo "packaging release/$ver-$plat.tgz"
  (cd $tmp; tar cz $ver-$plat) > release/$ver-$plat.tgz
}

mkdir -p release

buildTarball "linux64" "king-linux64-dynamic"
buildTarball "darwin" "king-darwin-dynamic"