$ git clone -n https://gitee.com/opencloudos-stream/qt-creator.git /var/lib/mock/dist-oc9-epol-build-106476-66823/root/chroot_tmpdir/scmroot/qt-creator
Cloning into '/var/lib/mock/dist-oc9-epol-build-106476-66823/root/chroot_tmpdir/scmroot/qt-creator'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/qt-creator
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ae05f79 update