$ git clone -n https://gitee.com/opencloudos-stream/fftw.git /var/lib/mock/dist-ocs23-build-242543-22482/root/chroot_tmpdir/scmroot/fftw
Cloning into '/var/lib/mock/dist-ocs23-build-242543-22482/root/chroot_tmpdir/scmroot/fftw'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/fftw
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f774ff0 Rebuilt for loongarch release