$ git clone -n https://src.fedoraproject.org/rpms/python-nihtest.git /var/lib/mock/f40-build-2027829-47331/root/chroot_tmpdir/scmroot/python-nihtest
Cloning into '/var/lib/mock/f40-build-2027829-47331/root/chroot_tmpdir/scmroot/python-nihtest'...
$ git fetch origin 06352bb6aa7f601419c8591b96e09426b20f3ea3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-nihtest
 * [new ref]         06352bb6aa7f601419c8591b96e09426b20f3ea3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 06352bb Add Packit config