$ git clone -n https://src.fedoraproject.org/rpms/R-webutils.git /var/lib/mock/f40-build-2040970-48398/root/chroot_tmpdir/scmroot/R-webutils
Cloning into '/var/lib/mock/f40-build-2040970-48398/root/chroot_tmpdir/scmroot/R-webutils'...
$ git fetch origin f8a64ce28f297411b4956683e1f711fdc98bb139:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-webutils
 * [new ref]         f8a64ce28f297411b4956683e1f711fdc98bb139 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f8a64ce Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild