$ git clone -n https://gitee.com/src-opencloudos-rpms/flatpak-builder.git /var/lib/mock/dist-oc8-build-75088-51959/root/chroot_tmpdir/scmroot/flatpak-builder
Cloning into '/var/lib/mock/dist-oc8-build-75088-51959/root/chroot_tmpdir/scmroot/flatpak-builder'...
$ git fetch origin 7b864b47921cc3d218bdc66342851bffebc18c69:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/flatpak-builder
 * [new ref]         7b864b47921cc3d218bdc66342851bffebc18c69 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7b864b4 import flatpak-builder-1.2.3-1.tl3