[PATCH 1 of 3 STABLE] tags: prevent local tag from overwriting existing global tag

[FUJIWARA Katsunori]

At Wed, 24 Apr 2013 16:33:02 -0500,
Matt Mackall wrote:
> 
> On Thu, 2013-04-25 at 00:12 +0900, FUJIWARA Katsunori wrote:
> > # HG changeset patch
> > # User FUJIWARA Katsunori <foozy at lares.dti.ne.jp>
> > # Date 1366814858 -32400
> > #      Wed Apr 24 23:47:38 2013 +0900
> > # Branch stable
> > # Node ID e20be67cf59c775a9df3b1b462ea4ee402ba89b3
> > # Parent  70675d77fd4a78d3e57723550d9f3031345d38e4
> > tags: prevent local tag from overwriting existing global tag
> > 
> > Before this patch, local tag has higher priority than existing global
> > tag in many cases, because ".hg/localtags" is read in after ".hgtags"
> > on each head revisions.
> 
> That's intentional. The logic is that, lacking any way to compare
> ordering between local and global tags, "my tag" is more important than
> "their tag".
> 
> This has the advantage that I have the ability to -change- a local tag
> locally to have control over exactly this sort of conflict should I have
> been so foolish as to pick a local tag name that collides with a global
> one. Moving global tags to resolve such a conflict is a less good idea.
> 
> Even if it wasn't intentional, it now has 8 years of precedent, and we
> can't guess if people are depending on it continuing to work this way.
> 
> -- 
> Mathematics is the supreme nostalgia of our time.

OK, I withdraw this patch series.

Instead of this, I'll post another series adding some description or
hint to avoid confusion from local tag overwriting, because current
documentation seems not to be enough for non-programmer users.

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[FUJIWARA Katsunori]                             foozy at lares.dti.ne.jp