$ git clone -n https://gitee.com/wency_cn/flatpak.git /var/lib/mock/dist-an23-build-492132-74553/root/chroot_tmpdir/scmroot/flatpak
Cloning into '/var/lib/mock/dist-an23-build-492132-74553/root/chroot_tmpdir/scmroot/flatpak'...
$ git fetch origin e44c9eae12f1fbdaca499393e5331e65f9742c3e:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/flatpak
 * [new ref]         e44c9eae12f1fbdaca499393e5331e65f9742c3e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e44c9ea Update code from upstream