$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/tigervnc.git /var/lib/mock/dist-an7-build-33263-16169/root/chroot_tmpdir/scmroot/tigervnc
Cloning into '/var/lib/mock/dist-an7-build-33263-16169/root/chroot_tmpdir/scmroot/tigervnc'...
$ git reset --hard origin/a7
HEAD is now at f76dc26 import tigervnc-1.8.0-17.el7.src.rpm