$ git clone -n https://src.fedoraproject.org/rpms/xfce-polkit.git /var/lib/mock/f39-build-1520921-35833/root/chroot_tmpdir/scmroot/xfce-polkit
Cloning into '/var/lib/mock/f39-build-1520921-35833/root/chroot_tmpdir/scmroot/xfce-polkit'...
$ git fetch origin e471ef1da3adbb2cfba59987f73b724f0085f5fe:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xfce-polkit
 * [new ref]         e471ef1da3adbb2cfba59987f73b724f0085f5fe -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e471ef1 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild