$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/mpich.git /var/lib/mock/dist-an8.4-build-20404-8910/root/chroot_tmpdir/scmroot/mpich
Cloning into '/var/lib/mock/dist-an8.4-build-20404-8910/root/chroot_tmpdir/scmroot/mpich'...
$ git reset --hard origin/a8
HEAD is now at 57c2657 update to mpich-3.3.2-9.el8.src.rpm