$ git clone -n https://src.fedoraproject.org/rpms/grass.git /var/lib/mock/f40-build-2675206-67803/root/chroot_tmpdir/scmroot/grass
Cloning into '/var/lib/mock/f40-build-2675206-67803/root/chroot_tmpdir/scmroot/grass'...
$ git fetch origin ba342d78b36dae9955e6318ffaa80d5576532447:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/grass
 * [new ref]         ba342d78b36dae9955e6318ffaa80d5576532447 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ba342d7 Update to GRASS GIS 8.3.2 (#2268514)