#!/usr/bin/env bash

set -ex


##
##  Make sure this is running OSX/Linux in Travis
##

os="$TRAVIS_OS_NAME"

[ "$os" = osx ] || [ "$os" = linux ]


##
##  Download the stack executable.
##

mkdir -p ~/.local/bin

stackurl="https://get.haskellstack.org/stable/$os-x86_64.tar.gz"

case $os in
    osx)
        curl -L "$stackurl" |
            tar xz --strip-components=1 --include '*/stack' -C ~/.local/bin
        ;;
    linux)
        mkdir -p tmp
        curl -L "$stackurl" | tar xz -C tmp
        mv tmp/stack-*/stack ~/.local/bin
        ;;
esac


##
##  Use the more reliable S3 mirror of Hackage.
##

mkdir -p ~/.cabal

cat > ~/.cabal/config <<EOF
remote-repo: hackage.haskell.org:http://hackage.fpcomplete.com/
remote-repo-cache: $HOME/.cabal/packages
EOF