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5f433eb164
Before, loading a module would be guarded by an optional platform condition. This made it possible to avoid loading and evaluating a module if it did not support the host platform. Unfortunately, this made it impossible to share a single configuration between GNU/Linux and Darwin hosts, which some wish to do. This removes the conditional load and instead inserts host platform assertions in the modules that are platform specific. Fixes #1906
14 lines
376 B
Nix
14 lines
376 B
Nix
{ lib }:
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{
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assertPlatform = module: pkgs: platforms: {
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assertion = lib.elem pkgs.stdenv.hostPlatform.system platforms;
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message = let
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platformsStr = lib.concatStringsSep "\n"
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(map (p: " - ${p}") (lib.sort (a: b: a < b) platforms));
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in ''
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The module ${module} does not support your platform. It only supports
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${platformsStr}'';
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};
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}
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