$ git clone -n https://gitee.com/opencloudos-stream/qt6-qtmultimedia.git /var/lib/mock/dist-ocs23-epol9-build-260335-24987/root/chroot_tmpdir/scmroot/qt6-qtmultimedia
Cloning into '/var/lib/mock/dist-ocs23-epol9-build-260335-24987/root/chroot_tmpdir/scmroot/qt6-qtmultimedia'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/qt6-qtmultimedia
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d6c52b1 update