$ git clone -n https://gitee.com/opencloudos-stream/mpfr.git /var/lib/mock/dist-ocs23-build-41156-2059/root/chroot_tmpdir/scmroot/mpfr
Cloning into '/var/lib/mock/dist-ocs23-build-41156-2059/root/chroot_tmpdir/scmroot/mpfr'...
$ git fetch origin HEAD:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/mpfr
 * [new ref]         HEAD       -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6b9bb5f !1 Upgrade to 4.2.0 and fix tsprintf fails with glibc 2.37 Merge pull request !1 from rockerzhu/master