Wroclaw/nixos-configuration
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outputs: use lib.pipe in nixosConfigurations

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Wroclaw 2024-07-02 23:24:19 +02:00
parent f39c0b54d0
commit 4f10f70c70
1 changed files with 28 additions and 24 deletions
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52
outputs.nix
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@ -14,39 +14,43 @@ self = {
versionInfoFixup = import ./pkgs/overlays/version-info-fixup.nix { inherit inputs; };
};
nixosConfigurations = let
dir = builtins.readDir ./hosts;
# list nix file paths in ./hosts to attributes in nixosConfigurations
filePaths = lib.mapAttrsToList (name: _: name) (lib.filterAttrs (name: type:
filePaths = lib.pipe ./hosts [
builtins.readDir
( lib.filterAttrs (name: type:
# filter out non-nix files
type == "regular"
type == "regular"
# filter out files that don't end in .nix
&& lib.hasSuffix ".nix" name
# filter out files that start with .
&& ! lib.hasPrefix "." name
) dir
);
&& !lib.hasPrefix "." name
))
(lib.mapAttrsToList (name: _: name))
];
nixosSystem = import "${inputs.nixpkgs}/nixos/lib/eval-config.nix";
in
# mapped list of nix file paths to attrSet with initialized NixOS configurations,
# whose names are derived from file names
builtins.listToAttrs (builtins.map (name: {
name = builtins.substring 0 (builtins.stringLength name - 4) name;
value = nixosSystem {
inherit lib;
modules = [
./hosts/${name}
{
config.nixpkgs.overlays = [
( import ./pkgs/overlays/selfExpr.nix { nixpkgsPath = "${builtins.toString ./.}/pkgs/top-level/impure.nix"; } )
( import "${inputs.nixpkgs}/pkgs/top-level/by-name-overlay.nix" "${builtins.toString ./.}/pkgs/by-name" )
self.overlays.versionInfoFixup
];
}
];
specialArgs = { inherit self inputs; };
};
}) filePaths
);
lib.pipe filePaths [
(builtins.map (name: {
name = builtins.substring 0 (builtins.stringLength name - 4) name;
value = nixosSystem {
inherit lib;
modules = [
./hosts/${name}
{
config.nixpkgs.overlays = [
( import ./pkgs/overlays/selfExpr.nix { nixpkgsPath = "${builtins.toString ./.}/pkgs/top-level/impure.nix"; } )
( import "${inputs.nixpkgs}/pkgs/top-level/by-name-overlay.nix" "${builtins.toString ./.}/pkgs/by-name" )
self.overlays.versionInfoFixup
];
}
];
specialArgs = { inherit self inputs; };
};
}))
builtins.listToAttrs
];
};
in self