$ git clone -n https://src.fedoraproject.org/rpms/python-fasjson-client.git /var/lib/mock/f45-build-30609-646/root/chroot_tmpdir/scmroot/python-fasjson-client
Cloning into '/var/lib/mock/f45-build-30609-646/root/chroot_tmpdir/scmroot/python-fasjson-client'...
$ git fetch origin c19c4312fa1d42e4426b75e9f48bc20ef3edbfb3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-fasjson-client
 * [new ref]         c19c4312fa1d42e4426b75e9f48bc20ef3edbfb3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c19c431 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild