$ git clone -n https://src.fedoraproject.org/rpms/xfdesktop.git /var/lib/mock/f40-build-788522-135185/root/chroot_tmpdir/scmroot/xfdesktop
Cloning into '/var/lib/mock/f40-build-788522-135185/root/chroot_tmpdir/scmroot/xfdesktop'...
$ git fetch origin e5de46391927475285c9fd43f3e08939ff6d9fee:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xfdesktop
 * [new ref]         e5de46391927475285c9fd43f3e08939ff6d9fee -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e5de463 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild