Origin for each line in random.init.mk from check-in 7a1e7f4a58:

7a1e7f4a58 2019-10-21        arcade: ENTROPY_FILE?=/var/db/entropy/random
7a1e7f4a58 2019-10-21        arcade: ENTROPY_DIR?=/var/db/entropy
7a1e7f4a58 2019-10-21        arcade: 
7a1e7f4a58 2019-10-21        arcade: random: mount devfs
7a1e7f4a58 2019-10-21        arcade: 	echo "MRC:$@> Seeding."
7a1e7f4a58 2019-10-21        arcade: 	sysctl kern.seedenable=1 > /dev/null
7a1e7f4a58 2019-10-21        arcade: 	( ps -fauxww; ${SYSCTL} -a; date; df -ib; dmesg; ps -fauxww; ) 2>&1 | dd status=none of=/dev/random bs=8k
7a1e7f4a58 2019-10-21        arcade: 	cat /bin/ls | dd status=none of=/dev/random bs=8k
7a1e7f4a58 2019-10-21        arcade: .if exists(ENTROPY_DIR)
7a1e7f4a58 2019-10-21        arcade: .for file in ${:!find ${ENTROPY_DIR} -type f!}
7a1e7f4a58 2019-10-21        arcade: 	dd status=none if=${file} of=/dev/random bs=8k
7a1e7f4a58 2019-10-21        arcade: .endfor
7a1e7f4a58 2019-10-21        arcade: .elif exists(ENTROPY_FILE)
7a1e7f4a58 2019-10-21        arcade: 	dd status=none if=${ENTROPY_FILE} of=/dev/random bs=8k
7a1e7f4a58 2019-10-21        arcade: .endif
7a1e7f4a58 2019-10-21        arcade: 	sysctl kern.seedenable=0 > /dev/null