Do not run `set-env-variables.sh` to set ARCH and OS variables
to avoid the CI failing because of shellcheck lint problems.
Signed-off-by: Miguel Martín <mmartinv@redhat.com>
Make it possible to test if system FIPS mode has been enabled
in the resulting images by running the scripts with a FIPS="true"
environment variable
Signed-off-by: Miguel Martín <mmartinv@redhat.com>
We were using greenprint for failures, which makes it hard to quickly
find where the tests failed. This switches errors to use redprint, and
adds it to places that were simply using echo before doing an exit 1.