[Nix-dev] [Want to commit this week] deepOverride replacement when callPackage is used

[Michael Raskin]

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On 09/03/2010 02:46 PM, Eelco Dolstra wrote:
> Ah, now I see your problem - callPackage doesn't use the overriden packages.
> I've committed a fix (r23613) that does part two of your solution (move
> callPackage etc. inside pkgsFun) and adds a function `applyGlobalOverrides'.

Works nice, thanks

> For instance, to build Thunderbird 3 with an older Glib, you can say:
> 
>   thunderbird3 =
>     let
>       pkgs = applyGlobalOverrides (pkgsOrig:
>         { gtkLibs220 = pkgsOrig.gtkLibs220 //
>             { glib = pkgsOrig.gtkLibs218.glib; };
>         });
>     in
>       pkgs.callPackage .../thunderbird/3.x.nix {
>         inherit (pkgs.gnome) libIDL;
>       };
> 
> The first part of your solution is not necessary, I think.

Yes, I did overrides in slightly other way and it didn't work without
modifying gtkLibs.
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