$ git clone -n https://src.fedoraproject.org/rpms/python-ndjson-testrunner.git /var/lib/mock/f45-build-31685-654/root/chroot_tmpdir/scmroot/python-ndjson-testrunner
Cloning into '/var/lib/mock/f45-build-31685-654/root/chroot_tmpdir/scmroot/python-ndjson-testrunner'...
$ git fetch origin a3a5f716fa4313ab026c92242b67805f43ff1a9d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-ndjson-testrunner
 * [new ref]         a3a5f716fa4313ab026c92242b67805f43ff1a9d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a3a5f71 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild