$ git clone -n https://gitee.com/fundawang/qt5.git /var/lib/mock/dist-an23-build-317298-67804/root/chroot_tmpdir/scmroot/qt5
Cloning into '/var/lib/mock/dist-an23-build-317298-67804/root/chroot_tmpdir/scmroot/qt5'...
$ git fetch origin dcfed4e958e76b395dc2b61f616eb0c9dbaef5f1:KOJI_FETCH_HEAD
From https://gitee.com/fundawang/qt5
 * [new ref]         dcfed4e958e76b395dc2b61f616eb0c9dbaef5f1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dcfed4e 5.15.11