$ git clone -n https://gitee.com/mgb01105731/boost.git /var/lib/mock/dist-an23-build-152279-58076/root/chroot_tmpdir/scmroot/boost
Cloning into '/var/lib/mock/dist-an23-build-152279-58076/root/chroot_tmpdir/scmroot/boost'...
$ git reset --hard origin/a23
HEAD is now at e4901d3 optimise spec file