$ git clone -n https://src.fedoraproject.org/rpms/python-google-cloud-billing.git /var/lib/mock/f39-build-1776868-41525/root/chroot_tmpdir/scmroot/python-google-cloud-billing
Cloning into '/var/lib/mock/f39-build-1776868-41525/root/chroot_tmpdir/scmroot/python-google-cloud-billing'...
$ git fetch origin 383618a2db38209f698f72fd741a362994026f9a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-google-cloud-billing
 * [new ref]         383618a2db38209f698f72fd741a362994026f9a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 383618a Merge #4 `Update rawhide to upstream release 1.11.4`