$ git clone -n https://src.fedoraproject.org/rpms/python-google-cloud-private-ca.git /var/lib/mock/f38-build-side-42-init-devel-1020376-29624/root/chroot_tmpdir/scmroot/python-google-cloud-private-ca
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1020376-29624/root/chroot_tmpdir/scmroot/python-google-cloud-private-ca'...
$ git fetch origin 66dced4708d3d43bdfcc012f4707e863ad13897e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-google-cloud-private-ca
 * [new ref]         66dced4708d3d43bdfcc012f4707e863ad13897e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 66dced4 Update to 1.8.0 rhbz#2184810