$ git clone -n https://src.fedoraproject.org/rpms/python-nashpy.git /var/lib/mock/f40-build-2707619-71352/root/chroot_tmpdir/scmroot/python-nashpy
Cloning into '/var/lib/mock/f40-build-2707619-71352/root/chroot_tmpdir/scmroot/python-nashpy'...
$ git fetch origin 029ebe990c00081de1a7f6046e06df5a18377e64:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-nashpy
 * [new ref]         029ebe990c00081de1a7f6046e06df5a18377e64 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 029ebe9 Update to 0.0.41