$ git clone -n https://src.fedoraproject.org/rpms/xfhell.git /var/lib/mock/f40-build-794312-139514/root/chroot_tmpdir/scmroot/xfhell
Cloning into '/var/lib/mock/f40-build-794312-139514/root/chroot_tmpdir/scmroot/xfhell'...
$ git fetch origin 673849d760c1984f4a2ef57ec65bbc1bf9ae78d1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xfhell
 * [new ref]         673849d760c1984f4a2ef57ec65bbc1bf9ae78d1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 673849d Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild