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

7a1e7f4a58 2019-10-21    1: HOSTNAME?=Amnesiac
7a1e7f4a58 2019-10-21    2: 
7a1e7f4a58 2019-10-21    3: hostname:
7a1e7f4a58 2019-10-21    4: 	echo "MRC:$@> Setting to ${HOSTNAME}."
7a1e7f4a58 2019-10-21    5: 	hostname ${HOSTNAME}