$ git clone -n https://gitee.com/mgb01105731/diffutils.git /var/lib/mock/dist-an23-build-131018-46317/root/chroot_tmpdir/scmroot/diffutils
Cloning into '/var/lib/mock/dist-an23-build-131018-46317/root/chroot_tmpdir/scmroot/diffutils'...
$ git reset --hard origin/a23
HEAD is now at 468fb07 add doc package