$ git clone -n https://src.fedoraproject.org/rpms/R-covr.git /var/lib/mock/f38-build-side-42-init-devel-594305-26158/root/chroot_tmpdir/scmroot/R-covr
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-594305-26158/root/chroot_tmpdir/scmroot/R-covr'...
$ git fetch origin 8ba3df9a4f0aa46c354ddcbcdbbe2b4a13467f0d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-covr
 * [new ref]         8ba3df9a4f0aa46c354ddcbcdbbe2b4a13467f0d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8ba3df9 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild