$ git clone -n https://gitee.com/src-opencloudos-rpms/flatpak.git /var/lib/mock/dist-oc8-build-241140-82805/root/chroot_tmpdir/scmroot/flatpak
Cloning into '/var/lib/mock/dist-oc8-build-241140-82805/root/chroot_tmpdir/scmroot/flatpak'...
$ git fetch origin e84e8799a36331ab061d914f14b2aa6ee3e0b8e4:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/flatpak
 * [new ref]         e84e8799a36331ab061d914f14b2aa6ee3e0b8e4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e84e879 import flatpak-1.12.9-4.tl3