$ git clone -n https://gitee.com/zhuhong_bo/mpfr.git /var/lib/mock/dist-an7-els-build-451788-73148/root/chroot_tmpdir/scmroot/mpfr
Cloning into '/var/lib/mock/dist-an7-els-build-451788-73148/root/chroot_tmpdir/scmroot/mpfr'...
$ git fetch origin 2d294516500244f304eced1e288942fa281a6a0a:KOJI_FETCH_HEAD
From https://gitee.com/zhuhong_bo/mpfr
 * [new ref]         2d294516500244f304eced1e288942fa281a6a0a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2d29451 ppc builds for multilib support