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post_install() { [[ $(type -p gtk-update-icon-cache) ]] && usr/bin/gtk-update-icon-cache -qtf usr/share/icons/hicolor [[ $(type -p update-desktop-database) ]] && usr/bin/update-desktop-database -q usr/share/applications true } post_upgrade() { post_install $1 true } post_remove() { post_install $1 true }