$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/boost.git /var/lib/mock/dist-an7-updates-build-42767-21665/root/chroot_tmpdir/scmroot/boost
Cloning into '/var/lib/mock/dist-an7-updates-build-42767-21665/root/chroot_tmpdir/scmroot/boost'...
$ git reset --hard origin/a7
HEAD is now at c33b89f update to boost-1.53.0-28.el7.src.rpm