POSTIN

/bin/sh

[ -f /var/lib/plymouth/boot-duration ] || cp -f /usr/share/plymouth/default-boot-duration /var/lib/plymouth/boot-duration
/usr/libexec/plymouth/plymouth-generate-initrd

POSTUN

/bin/sh

if [ $1 -eq 0 ]; then
    rm -f /usr/lib/plymouth/default.so
    rm -f /boot/initrd-plymouth.img
fi