$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/nss.git /var/lib/mock/dist-an7-build-34128-16169/root/chroot_tmpdir/scmroot/nss
Cloning into '/var/lib/mock/dist-an7-build-34128-16169/root/chroot_tmpdir/scmroot/nss'...
$ git reset --hard origin/a7
HEAD is now at 26b1d4a update to nss-3.44.0-7.el7_7.src.rpm