mirror of
https://github.com/nix-community/home-manager
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8db712a6a2
This makes definitions like home.activation.foo = mkIf false "bar" work, where previously they would complain about `home.activation.foobar.data` being used but not defined. The crucial part is that we don't call `convertAllToDags` in `dagOf.merge`, because we need to process `mkIf`/`mkMerge` properties first. So we let `attrEquivalent.merge` do its job normally, but give it a type `dagEntryOf` that does the conversion. Ideally this shouldn't require so much boilerplate; I'd like to implement something like types.changeInto dagContentType elemType dagEntryAnywhere in Nixpkgs.
35 lines
850 B
Nix
35 lines
850 B
Nix
{ config, lib, pkgs, ... }:
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let
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inherit (lib) concatStringsSep hm mkIf mkMerge mkOption types;
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dag = lib.hm.dag;
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result = let
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sorted = dag.topoSort config.tested.dag;
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data = map (e: "${e.name}:${e.data}") sorted.result;
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in concatStringsSep "\n" data + "\n";
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in {
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options.tested.dag = mkOption { type = hm.types.dagOf types.str; };
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config = {
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tested.dag = mkMerge [
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{ never = mkIf false "never"; }
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{ after = mkMerge [ "after" (mkIf false "neither") ]; }
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{ before = dag.entryBefore [ "after" ] (mkIf true "before"); }
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{
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between =
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mkIf true (dag.entryBetween [ "after" ] [ "before" ] "between");
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}
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];
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home.file."result.txt".text = result;
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nmt.script = ''
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assertFileContent \
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home-files/result.txt \
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${./dag-merge-result.txt}
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'';
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};
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}
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