$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/po4a.git /var/lib/mock/dist-an7-build-29843-15435/root/chroot_tmpdir/scmroot/po4a
Cloning into '/var/lib/mock/dist-an7-build-29843-15435/root/chroot_tmpdir/scmroot/po4a'...
$ git reset --hard origin/a7
HEAD is now at 1a7fe04 import po4a-0.44-10.el7.src.rpm