This function checks whether there are any stale Docker images in the
registry that can be purged. Since we're pulling available container
images from our GitLab registry with the 'list-images' action, it
could happen that we'd list old (already unsupported) images and make
them available for the user to consume and run a build in them.
Naturally, the build will most likely fail leaving the user confused.
Signed-off-by: Erik Skultety <eskultet@redhat.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
With the gradual rewrite of the Makefile to the 'helper' script will
require helper functions that would better live in a separate util
module.
Signed-off-by: Erik Skultety <eskultet@redhat.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
