$ git clone -n https://src.fedoraproject.org/rpms/poweradmin.git /var/lib/mock/f45-build-28853-633/root/chroot_tmpdir/scmroot/poweradmin
Cloning into '/var/lib/mock/f45-build-28853-633/root/chroot_tmpdir/scmroot/poweradmin'...
$ git fetch origin 74707830269e8221786f4e815a1737fa87a88826:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/poweradmin
 * [new ref]         74707830269e8221786f4e815a1737fa87a88826 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7470783 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild