$ git clone -n https://gitee.com/wenyuzifang/flatpak.git /var/lib/mock/dist-an23-build-480528-74252/root/chroot_tmpdir/scmroot/flatpak
Cloning into '/var/lib/mock/dist-an23-build-480528-74252/root/chroot_tmpdir/scmroot/flatpak'...
$ git fetch origin e426276d891b10e5cd5d9d4aebe76f9f9c6e98d9:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/flatpak
 * [new ref]         e426276d891b10e5cd5d9d4aebe76f9f9c6e98d9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e426276 Update code from upstream