$ git clone -n https://gitee.com/wenyuzifang/flatpak.git /var/lib/mock/dist-an23-build-469635-74027/root/chroot_tmpdir/scmroot/flatpak
Cloning into '/var/lib/mock/dist-an23-build-469635-74027/root/chroot_tmpdir/scmroot/flatpak'...
$ git fetch origin 18ce1c12df53f9ba074176feb235bab52eaac7c6:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/flatpak
 * [new ref]         18ce1c12df53f9ba074176feb235bab52eaac7c6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 18ce1c1 Update code from upstream