[dmd-internals] Fix staging branch breakiing

[Leandro Lucarella]

Walter Bright, el 11 de February a las 12:21 me escribiste:
> 
> 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" ?

git fetch upstream will only fetch new stuff from the upstream remote
repository and will set the FETCH_HEAD reference.

git remove update will fetch new stuff from all the remote repositories
without touching FETCH_HEAD.

> ># Forcely re-tagging
> >git tag -f v2.062-b1 upstream/staging~0
> 
> What is the ~0 for?

It has no effect, I don't know why he used it. REF~N is used to specify
the Nth commit before the reference REF (for example HEAD~3 is 3 commits
before HEAD, and is the same as specifying HEAD^^^). So REF~0 is the
same as REF.

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Leandro Lucarella (AKA luca)                     http://llucax.com.ar/
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