$ git clone -n https://src.fedoraproject.org/rpms/grammalecte.git /var/lib/mock/f45-build-12983-444/root/chroot_tmpdir/scmroot/grammalecte
Cloning into '/var/lib/mock/f45-build-12983-444/root/chroot_tmpdir/scmroot/grammalecte'...
$ git fetch origin 8c02308f042ec1220dc41bf6b285901e760db081:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/grammalecte
 * [new ref]         8c02308f042ec1220dc41bf6b285901e760db081 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8c02308 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild