[dmd-internals] Fix staging branch breakiing

[Walter Bright]

On 2/11/2013 1:59 AM, kenji hara wrote:
>
> --- commang example
> # fetch all remote branches
> git fetch upstream

How is that different from "git remote update" ?

>
> # Forcely re-tagging
> git tag -f v2.062-b1 upstream/staging~0

What is the ~0 for?

>
> # Push tag to remote
> git push upstream v2.062-b1
> ---
> You should do above commands at each your dmd/druntime/phobos directories.
>
>