95 lines
2.5 KiB
Nix
95 lines
2.5 KiB
Nix
{ lib, ... }:
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let
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inherit (builtins) attrNames attrValues isAttrs readDir listToAttrs mapAttrs;
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inherit (lib) fold filterAttrs hasSuffix mapAttrs' nameValuePair removeSuffix
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recursiveUpdate genAttrs;
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# mapFilterAttrs ::
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# (name -> value -> bool )
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# (name -> value -> { name = any; value = any; })
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# attrs
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mapFilterAttrs = seive: f: attrs: filterAttrs seive (mapAttrs' f attrs);
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# Generate an attribute set by mapping a function over a list of values.
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genAttrs' = values: f: listToAttrs (map f values);
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# pkgImport :: Nixpkgs -> Overlays -> System -> Pkgs
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pkgImport = nixpkgs: overlays: system:
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import nixpkgs {
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inherit system overlays;
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config = { allowUnfree = true; };
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};
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# Convert a list to file paths to attribute set
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# that has the filenames stripped of nix extension as keys
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# and imported content of the file as value.
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#
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pathsToImportedAttrs = paths:
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genAttrs' paths (path: {
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name = removeSuffix ".nix" (baseNameOf path);
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value = import path;
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});
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overlayPaths =
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let
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overlayDir = ../overlays;
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fullPath = name: overlayDir + "/${name}";
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in
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map fullPath (attrNames (readDir overlayDir));
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in
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{
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inherit mapFilterAttrs genAttrs' pkgImport pathsToImportedAttrs;
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overlays = pathsToImportedAttrs overlayPaths;
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recImport = { dir, _import ? base: import "${dir}/${base}.nix" }:
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mapFilterAttrs
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(_: v: v != null)
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(n: v:
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if n != "default.nix" && hasSuffix ".nix" n && v == "regular"
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then
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let name = removeSuffix ".nix" n; in nameValuePair (name) (_import name)
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else
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nameValuePair ("") (null))
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(readDir dir);
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nixosModules =
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let
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# binary cache
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cachix = import ../cachix.nix;
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cachixAttrs = { inherit cachix; };
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# modules
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moduleList = import ../modules/list.nix;
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modulesAttrs = pathsToImportedAttrs moduleList;
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# profiles
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profilesList = import ../profiles/list.nix;
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profilesAttrs = { profiles = pathsToImportedAttrs profilesList; };
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in
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recursiveUpdate
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(recursiveUpdate cachixAttrs modulesAttrs)
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profilesAttrs;
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genPackages = { self, pkgs }:
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let
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inherit (self) overlay overlays;
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packagesNames = attrNames (overlay null null)
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++ attrNames (fold
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(attr: sum: recursiveUpdate sum attr)
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{ }
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(attrValues
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(mapAttrs (_: v: v null null) overlays)
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)
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);
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in
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fold
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(key: sum: recursiveUpdate sum {
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${key} = pkgs.${key};
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})
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{ }
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packagesNames;
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}
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