03-filesystems.sh ignores ro option in /etc/fstab for root fs

[jose1711]

Even with default,ro in /etc/fstab for root fs (/) the filesystem is always mounted as read-write. Relevant part of /etc/runit/core-services/03-filesystems.sh:

msg "Mounting rootfs read-write..."
mount -o remount,rw / || emergency_shell