$ git clone -n https://gitee.com/opencloudos-stream/fftw.git /var/lib/mock/dist-ocs23-loongarch64-build-168388-10409/root/chroot_tmpdir/scmroot/fftw
Cloning into '/var/lib/mock/dist-ocs23-loongarch64-build-168388-10409/root/chroot_tmpdir/scmroot/fftw'...
$ git fetch origin HEAD:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/fftw
 * [new ref]         HEAD       -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1a1c550 !1 update config.guess and config.sub for loongarch64 Merge pull request !1 from zhangwenlong01/master