$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/perl-XML-Writer.git /var/lib/mock/dist-an7-build-32757-16093/root/chroot_tmpdir/scmroot/perl-XML-Writer
Cloning into '/var/lib/mock/dist-an7-build-32757-16093/root/chroot_tmpdir/scmroot/perl-XML-Writer'...
$ git reset --hard origin/a7
HEAD is now at e971ba4 import perl-XML-Writer-0.623-3.el7.src.rpm