#!/bin/sh
set -eu

sudo apt-get -q update
sudo apt-get -q -y install dctrl-tools

# Try installing some of the build-deps with apt-get for speed.
eval "$(
  printf '%s' "grep-aptavail -n -sPackage '(' -FFALSE -X FALSE ')'"
  2>/dev/null cabal install "$@" --dry-run -v | \
  sed -nre "s/^([^ ]+)-[0-9.]+ \(.*$/ -o '(' -FPackage -X libghc-\1-dev ')'/p" | \
  xargs -d'\n'
)" | sort -u | xargs -d'\n' sudo apt-get -q -y install -- libghc-quickcheck2-dev

# Install whatever is still needed with cabal.
cabal install "$@"