$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/jackson.git /var/lib/mock/dist-an7-build-28435-15255/root/chroot_tmpdir/scmroot/jackson
Cloning into '/var/lib/mock/dist-an7-build-28435-15255/root/chroot_tmpdir/scmroot/jackson'...
$ git reset --hard origin/a7
HEAD is now at 841f0bc import jackson-1.9.4-7.el7.src.rpm