$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/ustr.git /var/lib/mock/dist-an7-build-30596-15525/root/chroot_tmpdir/scmroot/ustr
Cloning into '/var/lib/mock/dist-an7-build-30596-15525/root/chroot_tmpdir/scmroot/ustr'...
$ git reset --hard origin/a7
HEAD is now at e252ed8 import ustr-1.0.4-16.el7.src.rpm