$ git clone -n https://gitee.com/mgb01105731/mpfr.git /var/lib/mock/dist-an23-build-137623-50611/root/chroot_tmpdir/scmroot/mpfr
Cloning into '/var/lib/mock/dist-an23-build-137623-50611/root/chroot_tmpdir/scmroot/mpfr'...
$ git reset --hard origin/a23
HEAD is now at f3c9973 optimise spec file