#!/bin/sh

if mountpoint -q "${HOME}"; then
    exit 0
fi

upperdir="${XDG_RUNTIME_DIR}"/home/rw
workdir="${XDG_RUNTIME_DIR}"/home/.work

mkdir -p "${upperdir}"
mkdir -p "${workdir}"

mount overlay \
    -t overlay \
    -o lowerdir="${HOME}",upperdir="${upperdir}",workdir="${workdir}" \
    "${HOME}"
chown "${PAM_USER}": "${HOME}"