$ git clone -n https://src.fedoraproject.org/rpms/R-conflicted.git /var/lib/mock/f38-build-side-42-init-devel-680707-26737/root/chroot_tmpdir/scmroot/R-conflicted
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-680707-26737/root/chroot_tmpdir/scmroot/R-conflicted'...
$ git fetch origin c1b8b8df3941fdf0f6a87716b32cdc4679d5b26c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-conflicted
 * [new ref]         c1b8b8df3941fdf0f6a87716b32cdc4679d5b26c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c1b8b8d Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild