$ git clone -n https://src.fedoraproject.org/rpms/R-RColorBrewer.git /var/lib/mock/f40-build-2322059-58630/root/chroot_tmpdir/scmroot/R-RColorBrewer
Cloning into '/var/lib/mock/f40-build-2322059-58630/root/chroot_tmpdir/scmroot/R-RColorBrewer'...
$ git fetch origin 1831f1c8f2b44ba1395d8217d21162979c2c3902:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-RColorBrewer
 * [new ref]         1831f1c8f2b44ba1395d8217d21162979c2c3902 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1831f1c Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild