The config file can be found at /etc/velvettools/config

flash=auto (default)
if the kernel version is the same it will just flash it, but when switching versions it will test for successful boot first.
flash=forced
will automatically flash without testing,
flash=manual
will not flash automatically unless you ask for it.

main_part=auto (default)
will automatically be detected,
main_part=/dev/x
in case you are running not default configuration you can specify the partition.

test_part=auto (default)
will automatically be detected,
test_part=n (only if forced or manual)
in case there is no test partition.
test_part=/dev/x
in case you are running a non default configuration you can specify the partition.

init_gen_hook=y
automatically rebuild and flash image (if enabled) when initramfs is rebuilt,
init_gen_hook=n
or not !
