$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/docbook-dtds.git /var/lib/mock/dist-an7-build-31044-15673/root/chroot_tmpdir/scmroot/docbook-dtds
Cloning into '/var/lib/mock/dist-an7-build-31044-15673/root/chroot_tmpdir/scmroot/docbook-dtds'...
$ git reset --hard origin/a7
HEAD is now at f8f6fb6 import docbook-dtds-1.0-60.el7.src.rpm