$ git clone -n https://gitee.com/opencloudos-stream/qt6-qtbase.git /var/lib/mock/dist-oc9-epol-build-95924-59716/root/chroot_tmpdir/scmroot/qt6-qtbase
Cloning into '/var/lib/mock/dist-oc9-epol-build-95924-59716/root/chroot_tmpdir/scmroot/qt6-qtbase'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/qt6-qtbase
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e1e28c3 update