setup.sh

#!/bin/bash
set -euxo pipefail

# Setup directories
readonly PREFIX=$HOME/.local
readonly BINDIR=$PREFIX/bin
mkdir -p $BINDIR

# Get stack if we don't have it already
if [[ ! -x $BINDIR/stack ]]; then
  if [[ $TRAVIS_OS_NAME == "osx" ]]; then
    readonly WILDCARDS=
  else
    readonly WILDCARDS=--wildcards
  fi
  curl -L https://www.stackage.org/stack/$TRAVIS_OS_NAME-x86_64 | tar xz --strip-components=1 $WILDCARDS -C $BINDIR '*/stack'
fi

# Get NASM if we don't have it already
# To upgrade, we need to remove the cache first
readonly NASMVER=2.15.05

if [[ ! -x $BINDIR/nasm ]]; then
  readonly SRCDIR=$HOME/src
  readonly NASMDIR=$SRCDIR/nasm-$NASMVER
  mkdir -p $SRCDIR
  pushd $SRCDIR

  case $TRAVIS_OS_NAME in
    linux)
      curl -L https://www.nasm.us/pub/nasm/releasebuilds/$NASMVER/nasm-$NASMVER.tar.gz | tar xz
      pushd $NASMDIR
      ./configure --prefix=$PREFIX
      make install
      popd
      ;;
    osx)
      curl -O -L https://www.nasm.us/pub/nasm/releasebuilds/$NASMVER/macosx/nasm-$NASMVER-macosx.zip
      unzip nasm-$NASMVER-macosx.zip
      cp $NASMDIR/nasm $BINDIR
      ;;
    *)
      echo "Unsupported OS: $TRAVIS_OS_NAME"
      exit 1
      ;;
  esac

  popd
fi

stack --version
nasm -v