set -eu
user_path=".eteks/sweethome3d/textures/"

# arg 1:  the new package version
post_install() {
    find /home/* -maxdepth 0 -type d \! -user root -print0 | while IFS= read -r -d '' user_home; do
        mkdir -p "${user_home}/${user_path}"
        for lib in /usr/share/eteks/sweethome3d/textures/textures-scopia/*.sh3t; do
            ln -s "$lib" "${user_home}/${user_path}/"
        done
        chown --no-dereference --preserve-root --recursive --reference="${user_home}" "${user_home}/${user_path}"
    done
}

# arg 1:  the old package version
pre_remove() {
    find /home/* -maxdepth 0 -type d \! -user root -print0 | while IFS= read -r -d '' user_home; do
        rm -f "${user_home}/${user_path}/textures-scopia-*.sh3t"
        (
            cd "${user_home}"
            if [ -d "${user_path}" ]; then
                rmdir --ignore-fail-on-non-empty -p "${user_path}"
            fi
        )
    done
}