$ git clone -n https://src.fedoraproject.org/rpms/qcad.git /var/lib/mock/f42-build-3490642-45852/root/chroot_tmpdir/scmroot/qcad
Cloning into '/var/lib/mock/f42-build-3490642-45852/root/chroot_tmpdir/scmroot/qcad'...
$ git fetch origin 856890b505775e4a0816f179aba74b4bdd132e18:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qcad
 * [new ref]         856890b505775e4a0816f179aba74b4bdd132e18 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 856890b Release 3.32.0.0