$ git clone -n https://src.fedoraproject.org/rpms/R-future.git /var/lib/mock/f42-build-3264645-41245/root/chroot_tmpdir/scmroot/R-future
Cloning into '/var/lib/mock/f42-build-3264645-41245/root/chroot_tmpdir/scmroot/R-future'...
$ git fetch origin 4029688f6f1e64a12b31512b440350806ef44f63:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-future
 * [new ref]         4029688f6f1e64a12b31512b440350806ef44f63 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4029688 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild