Origin for each line in dumpon.init from check-in 716b0393df:

5062c9b6fc 2019-10-19        arcade: # vim:ft=make:
5062c9b6fc 2019-10-19        arcade: 
5062c9b6fc 2019-10-19        arcade: DUMPDEV?=no
5062c9b6fc 2019-10-19        arcade: 
5062c9b6fc 2019-10-19        arcade: dumpon: random
5062c9b6fc 2019-10-19        arcade: 	: Setting dumpon device.
716b0393df 2019-10-21        arcade: 	test -e ${DUMPDEV} && dumpon -v ${DUMPDEV} || true