Download PR patch from the given head_sha1 sum
Download PR patch from the given head_sha1 sum

This prevents a race between what we expect to test
and what we're actually testing

SUSE-Cloud/automation,aspiers/automation,vmoravec/automation,gosipyan/automation,vmoravec/automation,aspiers/automation,vmoravec/automation,SUSE-Cloud/automation,gosipyan/automation,gosipyan/automation,aspiers/automation,gosipyan/automation,SUSE-Cloud/automation,SUSE-Cloud/automation,vmoravec/automation,aspiers/automation