$ git clone -n https://src.fedoraproject.org/rpms/R-tweenr.git /var/lib/mock/f40-build-2114884-50675/root/chroot_tmpdir/scmroot/R-tweenr
Cloning into '/var/lib/mock/f40-build-2114884-50675/root/chroot_tmpdir/scmroot/R-tweenr'...
$ git fetch origin 98496c35bb29469ce6dec5e5488e3fce1746bc7e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-tweenr
 * [new ref]         98496c35bb29469ce6dec5e5488e3fce1746bc7e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 98496c3 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild