$ git clone -n https://src.fedoraproject.org/rpms/R-later.git /var/lib/mock/f41-build-837066-158974/root/chroot_tmpdir/scmroot/R-later
Cloning into '/var/lib/mock/f41-build-837066-158974/root/chroot_tmpdir/scmroot/R-later'...
$ git fetch origin 7d12caa288f7e98aa0f92debf26e6e6ff57bf3a2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-later
 * [new ref]         7d12caa288f7e98aa0f92debf26e6e6ff57bf3a2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7d12caa Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild