$ git clone -n https://gitee.com/lzq11122/gnome-boxes.git /var/lib/mock/dist-an23-build-528068-79853/root/chroot_tmpdir/scmroot/gnome-boxes
Cloning into '/var/lib/mock/dist-an23-build-528068-79853/root/chroot_tmpdir/scmroot/gnome-boxes'...
$ git fetch origin f2fffd1cede987b661b1620ce7338c2423d18b33:KOJI_FETCH_HEAD
From https://gitee.com/lzq11122/gnome-boxes
 * [new ref]         f2fffd1cede987b661b1620ce7338c2423d18b33 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f2fffd1 Rebuild with webkitgtk 2.52.1