$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/perl-constant.git /var/lib/mock/dist-an7-build-32581-16043/root/chroot_tmpdir/scmroot/perl-constant
Cloning into '/var/lib/mock/dist-an7-build-32581-16043/root/chroot_tmpdir/scmroot/perl-constant'...
$ git reset --hard origin/a7
HEAD is now at 124c761 import perl-constant-1.27-2.el7.src.rpm