$ git clone -n https://src.fedoraproject.org/rpms/qatengine.git /var/lib/mock/f39-build-1546227-36701/root/chroot_tmpdir/scmroot/qatengine
Cloning into '/var/lib/mock/f39-build-1546227-36701/root/chroot_tmpdir/scmroot/qatengine'...
$ git fetch origin 9c3e8aca9886c0d2011bb41659e6e97f081e6918:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qatengine
 * [new ref]         9c3e8aca9886c0d2011bb41659e6e97f081e6918 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9c3e8ac Update to qatengine  v1.4.0