$ git clone -n https://gitee.com/fundawang/libffi.git /var/lib/mock/dist-an23-build-190061-60770/root/chroot_tmpdir/scmroot/libffi
Cloning into '/var/lib/mock/dist-an23-build-190061-60770/root/chroot_tmpdir/scmroot/libffi'...
$ git fetch origin 1b017b9f26a02bddeadb7485f704ad1b611508f7:KOJI_FETCH_HEAD
From https://gitee.com/fundawang/libffi
 * [new ref]         1b017b9f26a02bddeadb7485f704ad1b611508f7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1b017b9 3.4.4