$ git clone -n https://src.fedoraproject.org/rpms/grass.git /var/lib/mock/f40-build-2515662-61725/root/chroot_tmpdir/scmroot/grass
Cloning into '/var/lib/mock/f40-build-2515662-61725/root/chroot_tmpdir/scmroot/grass'...
$ git fetch origin 0e710f0d0ae3d8a30c0f3a0f04c881a546de581d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/grass
 * [new ref]         0e710f0d0ae3d8a30c0f3a0f04c881a546de581d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0e710f0 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild