$ git clone -n https://gitee.com/idolsama/qt5-qttools.git /var/lib/mock/dist-an23-build-337508-69712/root/chroot_tmpdir/scmroot/qt5-qttools
Cloning into '/var/lib/mock/dist-an23-build-337508-69712/root/chroot_tmpdir/scmroot/qt5-qttools'...
$ git fetch origin 02844b96d3820999d496f672a7cbfdbe5f76d7df:KOJI_FETCH_HEAD
From https://gitee.com/idolsama/qt5-qttools
 * [new ref]         02844b96d3820999d496f672a7cbfdbe5f76d7df -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 02844b9 Add riscv64 support