$ git clone -n https://gitee.com/bbrucezhang/qtwebkit.git /var/lib/mock/dist-oc9-epol-build-186041-80269/root/chroot_tmpdir/scmroot/qtwebkit
Cloning into '/var/lib/mock/dist-oc9-epol-build-186041-80269/root/chroot_tmpdir/scmroot/qtwebkit'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/bbrucezhang/qtwebkit
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6b40bc5 init