$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/crontabs.git /var/lib/mock/dist-an8.4-build-19339-8416/root/chroot_tmpdir/scmroot/crontabs
Cloning into '/var/lib/mock/dist-an8.4-build-19339-8416/root/chroot_tmpdir/scmroot/crontabs'...
$ git reset --hard origin/a8
HEAD is now at ff8f83a update to crontabs-1.11-17.20190603git.el8.src.rpm