forked from pub-solar/os
c9495ea881
In order to increase determinism in the build environment, we are having direnv load the shell environment from the flake's `devShell` output, instead of the traditional `nix-shell` approach. Of course, one can still enter a `nix-shell` manually on a system without flake support installed.
67 lines
2 KiB
Nix
67 lines
2 KiB
Nix
{
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description = "A highly structured configuration database.";
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inputs.nixpkgs.url = "nixpkgs/release-20.03";
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inputs.unstable.url = "nixpkgs/master";
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inputs.home.url = "github:rycee/home-manager/bqv-flakes";
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outputs = inputs@{ self, home, nixpkgs, unstable }:
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let
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inherit (builtins) listToAttrs baseNameOf attrNames attrValues readDir;
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inherit (nixpkgs.lib) removeSuffix;
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system = "x86_64-linux";
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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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# 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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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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pkgImport = pkgs:
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import pkgs {
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inherit system;
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overlays = attrValues self.overlays;
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config = { allowUnfree = true; };
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};
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pkgs = pkgImport nixpkgs;
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unstablePkgs = pkgImport unstable;
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in {
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nixosConfigurations = let
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configs =
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import ./hosts (inputs // { inherit system pkgs unstablePkgs; });
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in configs;
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devShell."${system}" = import ./shell.nix { inherit pkgs; };
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overlay = import ./pkgs;
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overlays = let
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overlayDir = ./overlays;
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fullPath = name: overlayDir + "/${name}";
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overlayPaths = map fullPath (attrNames (readDir overlayDir));
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in pathsToImportedAttrs overlayPaths;
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packages.x86_64-linux = self.overlay pkgs pkgs;
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nixosModules = let
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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 modulesAttrs // profilesAttrs;
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};
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}
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