$ git clone -n https://gitee.com/opencloudos-stream/qt5-qtserialbus.git /var/lib/mock/dist-ocs23-build-88937-5426/root/chroot_tmpdir/scmroot/qt5-qtserialbus
Cloning into '/var/lib/mock/dist-ocs23-build-88937-5426/root/chroot_tmpdir/scmroot/qt5-qtserialbus'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/qt5-qtserialbus
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 204dff1 !2 Upgrade to 5.15.10 Merge pull request !2 from kianli/master