$ git clone -n https://src.fedoraproject.org/rpms/R-downlit.git /var/lib/mock/f40-build-2285009-55667/root/chroot_tmpdir/scmroot/R-downlit
Cloning into '/var/lib/mock/f40-build-2285009-55667/root/chroot_tmpdir/scmroot/R-downlit'...
$ git fetch origin 13564ccb0ba2d6951a04b99c3af05c8dbb3bb429:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-downlit
 * [new ref]         13564ccb0ba2d6951a04b99c3af05c8dbb3bb429 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 13564cc Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild