$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/mesa.git /var/lib/mock/dist-an7-build-31764-15795/root/chroot_tmpdir/scmroot/mesa
Cloning into '/var/lib/mock/dist-an7-build-31764-15795/root/chroot_tmpdir/scmroot/mesa'...
$ git reset --hard origin/a7
HEAD is now at b08516f update to mesa-18.3.4-6.el7_7.src.rpm