$ git clone -n https://src.fedoraproject.org/rpms/qt5-qtdatavis3d.git /var/lib/mock/f42-build-side-1-3539496-46565/root/chroot_tmpdir/scmroot/qt5-qtdatavis3d
Cloning into '/var/lib/mock/f42-build-side-1-3539496-46565/root/chroot_tmpdir/scmroot/qt5-qtdatavis3d'...
$ git fetch origin 576818001942e86b64c930b462a752740622270d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt5-qtdatavis3d
 * [new ref]         576818001942e86b64c930b462a752740622270d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5768180 5.15.17