$ git clone -n https://gitee.com/wenyuzifang/gdk-pixbuf2.git /var/lib/mock/dist-an23-build-469620-74027/root/chroot_tmpdir/scmroot/gdk-pixbuf2
Cloning into '/var/lib/mock/dist-an23-build-469620-74027/root/chroot_tmpdir/scmroot/gdk-pixbuf2'...
$ git fetch origin 8f592c32ce387e563d521ba55bc84b006282a51e:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/gdk-pixbuf2
 * [new ref]         8f592c32ce387e563d521ba55bc84b006282a51e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8f592c3 Update code from upstream