Skip Sanity Tests Useful to speed up the build.

--sanity-tests false

Skipping Build Steps

export SKIP_SCRIPTS+=" 1300_create-raw-image "

Skipping Chroot and/or Postinst Scripts

export SKIP_SCRIPTS+=" dist-base-files.postinst "

Look at the file names and add them. export SKIP_SCRIPTS+=" another_file_name ". Do not forget empty spaces before and after ". We are expanding a bash array.