$ git clone -n https://gitee.com/opencloudos-stream/mpfr.git /var/lib/mock/dist-ocs23-base-build-328973-35239/root/chroot_tmpdir/scmroot/mpfr
Cloning into '/var/lib/mock/dist-ocs23-base-build-328973-35239/root/chroot_tmpdir/scmroot/mpfr'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/mpfr
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0a9d489 !3 Add Sw64 ISA support Merge pull request !3 from swcompiler/sw_64