$ git clone -n https://src.fedoraproject.org/rpms/python-google-cloud-billing-budgets.git /var/lib/mock/f39-build-1924851-43023/root/chroot_tmpdir/scmroot/python-google-cloud-billing-budgets
Cloning into '/var/lib/mock/f39-build-1924851-43023/root/chroot_tmpdir/scmroot/python-google-cloud-billing-budgets'...
$ git fetch origin 3ebb44151bed4ba25beb7e3c4353f818a17c8470:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-google-cloud-billing-budgets
 * [new ref]         3ebb44151bed4ba25beb7e3c4353f818a17c8470 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3ebb441 Allow packit to do koji builds