$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/perl-XML-Dumper.git /var/lib/mock/dist-an7-build-29803-15430/root/chroot_tmpdir/scmroot/perl-XML-Dumper
Cloning into '/var/lib/mock/dist-an7-build-29803-15430/root/chroot_tmpdir/scmroot/perl-XML-Dumper'...
$ git reset --hard origin/a7
HEAD is now at 2dc3595 import perl-XML-Dumper-0.81-17.el7.src.rpm