$ git clone -n https://gitee.com/opencloudos-stream/qtwebkit.git /var/lib/mock/dist-oc9-epol-build-212735-80759/root/chroot_tmpdir/scmroot/qtwebkit
Cloning into '/var/lib/mock/dist-oc9-epol-build-212735-80759/root/chroot_tmpdir/scmroot/qtwebkit'...
$ git fetch origin cc8d3967d21c90f6c2199c1f723bf42f860f8ff2:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/qtwebkit
 * [new ref]         cc8d3967d21c90f6c2199c1f723bf42f860f8ff2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cc8d396 fix