vty/ci/build-and-test

#!/usr/bin/env bash
set -ex

source /etc/profile

GHCVER=`ghc --version | cut -d' ' -f8`

function init-sandbox() {
  cabal sandbox init
}

function build() {
  if [[ "${GHCVER}" > "7.4.2" ]] ; then
    cabal install --enable-tests --only-dependencies --force-reinstalls
  else
    echo "Skipping tests on ${GHCVER}"
    cabal install --only-dependencies --force-reinstalls
  fi
}

function rebuild() {
  rm -rf dist
  build
}

function rebuild-including-deps() {
  rm -rf .cabal-sandbox
  rm -rf cabal.sandbox.config
  init-sandbox
  build
}

set -ex

cd vty
if [[ ! -f cabal.sandbox.config ]] ; then
  init-sandbox
fi

build || rebuild || rebuild-including-deps

if [[ "${GHCVER}" > "7.4.2" ]] ; then
  cabal test
fi