Origin for each line in bootfs.init from check-in 2f11a995dc:

2f11a995dc 2019-10-19        arcade: # vim:ft=make:
2f11a995dc 2019-10-19        arcade: 
2f11a995dc 2019-10-19        arcade: bootfs:
2f11a995dc 2019-10-19        arcade: 	: Checking whether we need /boot mounted.
2f11a995dc 2019-10-19        arcade: 	mount -vadr | grep -q ' /boot$' && mount -r /boot || exit 0