$ git clone -n https://gitee.com/wency_cn/gdk-pixbuf2.git /var/lib/mock/dist-an23-build-502412-74802/root/chroot_tmpdir/scmroot/gdk-pixbuf2
Cloning into '/var/lib/mock/dist-an23-build-502412-74802/root/chroot_tmpdir/scmroot/gdk-pixbuf2'...
$ git fetch origin a735dc9b72b853fbcb3bb20630a043fb51470623:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/gdk-pixbuf2
 * [new ref]         a735dc9b72b853fbcb3bb20630a043fb51470623 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a735dc9 Update code from upstream