$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/perl-DateTime.git /var/lib/mock/dist-an7-build-32591-16043/root/chroot_tmpdir/scmroot/perl-DateTime
Cloning into '/var/lib/mock/dist-an7-build-32591-16043/root/chroot_tmpdir/scmroot/perl-DateTime'...
$ git reset --hard origin/a7
HEAD is now at 28cc896 import perl-DateTime-1.04-6.el7.src.rpm