File: //snap/core18/current/usr/share/initramfs-tools/hooks/dmsetup
#!/bin/sh
case $1 in
prereqs)
	echo "udev"
	exit 0
	;;
esac
. /usr/share/initramfs-tools/hook-functions
mkdir -p $DESTDIR/lib/udev/rules.d/
for rules in 55-dm.rules 60-persistent-storage-dm.rules 95-dm-notify.rules; do
	if   [ -e /etc/udev/rules.d/$rules ]; then
		cp -p /etc/udev/rules.d/$rules $DESTDIR/lib/udev/rules.d/
	elif [ -e /lib/udev/rules.d/$rules ]; then
		cp -p /lib/udev/rules.d/$rules $DESTDIR/lib/udev/rules.d/
	else
		exit 1
	fi
done
copy_exec /sbin/dmsetup
manual_add_modules dm_mod