[Fedora-packaging] php/php53 application packaging

[indent man]

I should have said that I'm also packaging the php/php53 foo/bar
dependencies.
So maybe I just forgot some "Conflicts" tags (my bad).
Taking a look at it...


On Thu, Sep 6, 2012 at 1:30 PM, Michael Schwendt <mschwendt at gmail.com>wrote:

> On Thu, 6 Sep 2012 13:03:07 +0200, indent man wrote:
>
> > > Make the dependencies more specific.
> > >
> > > Add dependencies on package names and/or specific versions. Use RPM to
> > > examine the package's current "Requires" (both the automatically added
> > > ones as well as manually added ones) and the PHP package's "Provides".
> > >
> > > If multiple packages provide the same thing, Yum assumes that either
> one
> > > can be used to resolve a dependency.
> > >
> >
> > Ok, I hoped yum would not to choose conflicting providers.
> > Since it does,
>
> It doesn't. And it cannot know that a package that provides "php(foo)"
> isn't sufficient for a simple dependency on "php(foo)". How would it
> know about a version requirement without any such version in the
> dependency?
>
> The terminology with regard to "conflicts" is different, btw. Packages
> conflict only if there are explicit "Conflicts:" tags in them, or if they
> contain conflicting files in the same path (aka "implicit conflict").
>
> Assumably, the two php(foo) providers can be installed in parallel even.
> So, they don't conflict. It's really just that you need to be more
> specific about which version of php(foo) to install/depend on.
>
> > I suppose I'd better provide 2 separate packages for my app
> > with explicit dependencies.
>
> Of course! There is no way to guess which version of PHP you need.
> That version must be specified in the dependencies wherever it matters.
>
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