Install xmonad, xmonad-contrib, and xmobar in OS X

xmonad_max.fish

#!/bin/fish
# this assumes that ~/.local/xmonad/bin is a part of your $PATH
function xmonad_mac
    # enforce OSX
    if [ (uname) != 'Darwin' ]
        echo "This is an OSX specific script. Aborted"
        return 1
    end;

    # set up the build enviornment in /tmp
    set WORKDIR /tmp/xmonad(random)
    set DESTDIR $HOME/.local/xmonad
    set OLDDIR (pwd)
    mkdir -p $WORKDIR
    rm -rf $DESTDIR
    cd $WORKDIR

    # fix the enviornment variables
    set -x LIBRARY_PATH /opt/X11/lib $LIBRARY_PATH
    set -x CFLAGS "-I/opt/X11/include"
    set -x CPPFLAGS "-I/opt/X11/include"
    set -x LDFLAGS "-L/opt/X11/lib"
    set -x PKG_CONFIG_PATH /usr/X11/lib/pkgconfig

    # get to work with cabal
    cabal sandbox init

    cabal install -j4 --extra-include-dirs=/opt/X11/include \
       xmonad xmonad-contrib xmobar
    and mv $WORKDIR/.cabal-sandbox/ $DESTDIR
    and echo "Installation successful! Cleaning up."
    or echo "Installation failed. Cleaning up..."

    cd $OLDDIR
    rm -r $WORKDIR
end