#!/bin/sh -e

egrep -o '^/usr/share/icons/[^/]+/' |sort -u |
while read -r dir; do
        dir=${dir%/}
        if [ -f "$dir"/index.theme ]; then
                gtk-update-icon-cache --force --quiet "$dir"
        elif [ -f "$dir"/icon-theme.cache ]; then
                rm -f "$dir"/icon-theme.cache
                rmdir --ignore-fail-on-non-empty "$dir"
        fi
done