$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/perl-Mail-DKIM.git /var/lib/mock/dist-an7-build-32668-16065/root/chroot_tmpdir/scmroot/perl-Mail-DKIM
Cloning into '/var/lib/mock/dist-an7-build-32668-16065/root/chroot_tmpdir/scmroot/perl-Mail-DKIM'...
$ git reset --hard origin/a7
HEAD is now at 5d0bc31 import perl-Mail-DKIM-0.39-8.el7.src.rpm