function is_deb {
    command_exists apt-get
}

function is_mac {
    [[ $(uname) == 'Darwin' ]]
}

function is_linux {
    [[ $(uname) == 'Linux' ]]
}

if is_mac; then

    # Change working directory to the top-most Finder window location
    function cdf() { # short for `cdfinder`
            cd "$(osascript -e 'tell app "Finder" to POSIX path of (insertion location as alias)')"
    }

    # Open a file in Mac OS's quick-look
    function quicklook {
        (( $# > 0 )) && qlmanage -p $* &>/dev/null &
    }

    # Check to see if the (mac) app exists
    function app_exists {
        [ -d /Applications/"$1" ] || [ -e /Applications/"$1".app ] || [ -e ~/Applications/"$1".app ]
    }

    function pkg_install() {
        brew install $1
    }

    function pkg_remove() {
        brew remove $1
    }

    function pkg_update() {
        brew update && brew upgrade
    }

elif is_deb; then

    function pkg_install() {
        sudo apt-get -y install $1
    }

    function pkg_remove() {
        sudo apt-get -y remove $1
    }

    function pkg_update() {
        sudo apt-get update && sudo apt-get upgrade
    }
    
fi

# vim:set ft=zsh: