$ git clone -n https://src.fedoraproject.org/rpms/python-google-cloud-iam.git /var/lib/mock/f38-build-side-42-init-devel-1035282-29746/root/chroot_tmpdir/scmroot/python-google-cloud-iam
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1035282-29746/root/chroot_tmpdir/scmroot/python-google-cloud-iam'...
$ git fetch origin 6a65c3cb12497fc4c1548c0af9e8d014b8b2f91c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-google-cloud-iam
 * [new ref]         6a65c3cb12497fc4c1548c0af9e8d014b8b2f91c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6a65c3c Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild