#!/bin/bash
set +e

function _brew {
    local pkg=$1
    if ! brew ls $pkg >/dev/null 2>&1; then
        _run "[brew] Install $pkg" brew install $@
    else
        echo "[brew] $pkg is already installed, skipping."
    fi
}

case "$(uname -s)" in
    Darwin)
        if ! which brew >/dev/null; then
            _run "Install brew" /usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
        fi
        ;;
    *)
        _recipe _apt
        _recipe _path

        for pkg in build-essential curl file gawk git python-setuptools; do
            _apt $pkg
        done
        if ! [ -d ~/.linuxbrew ]; then
            _run "Install brew" git clone -q https://github.com/Linuxbrew/brew.git ~/.linuxbrew
            _path "$HOME/.linuxbrew/bin:$HOME/.linuxbrew/sbin"
        fi
        ;;
esac