$ git clone -n https://gitee.com/opencloudos-stream/kdesdk-thumbnailers.git /var/lib/mock/dist-oc9-epol-build-92382-59311/root/chroot_tmpdir/scmroot/kdesdk-thumbnailers
Cloning into '/var/lib/mock/dist-oc9-epol-build-92382-59311/root/chroot_tmpdir/scmroot/kdesdk-thumbnailers'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/kdesdk-thumbnailers
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 76657df package init