lib: move lib extensions into its own module argument

flake.nix

@@ -3,7 +3,7 @@
 
   inputs = {
     nixpkgs.url = "nixpkgs/nixos-22.05";
-    unstable-nixpkgs.url = "nixpkgs/nixos-unstable";
+    nixpkgs-unstable.url = "nixpkgs/nixos-unstable";
 
     home-manager = {
       url = "github:nix-community/home-manager/release-22.05";
@@ -46,18 +46,17 @@
   outputs = inputs@{
     self,
     nixpkgs,
-    unstable-nixpkgs,
+    nixpkgs-unstable,
     home-manager,
     vscode-server,
     secrets,
     fonts,
     dotfiles,
-    website,
-    ...
+    website
   }: let
     system = "x86_64-linux";
 
-    pkgs = import nixpkgs {
+    pkgs-config = {
       inherit system;
 
       config = {
@@ -65,26 +64,13 @@
         android_sdk.accept_license = true;
       };
 
-      overlays = [ self.overlays.lib ];
-    };
-
-    unstable-pkgs = import unstable-nixpkgs {
-      inherit system;
-
-      config = {
-        allowUnfree = true;
-        android_sdk.accept_license = true;
-      };
-
-      overlays = [ self.overlays.lib ];
+      # overlays = [ self.overlays.lib ];
     };
 
+    pkgs = import nixpkgs pkgs-config;
+    unstable-pkgs = import nixpkgs-unstable pkgs-config;
   in {
-    overlays = {
-      lib = import ./overlays/lib;
-    };
-
-    lib = (pkgs.extend self.overlays.lib).lib;
+    extendedLib = import ./lib { stdlib = pkgs.lib; };
 
     homeConfigurations = {
       h7x4 = home-manager.lib.homeManagerConfiguration {
@@ -130,6 +116,7 @@
               config._module.args = {
                 inherit inputs;
                 inherit unstable-pkgs;
+                inherit (self) extendedLib;
                 secrets = secrets.outputs.settings;
               };
             }
@@ -138,12 +125,18 @@
             {
               home-manager = {
                 useGlobalPkgs = true;
-                extraSpecialArgs = { inherit inputs; secrets = secrets.outputs.settings; };
+                extraSpecialArgs = {
+                  inherit inputs;
+                  inherit (self) extendedLib;
+                  secrets = secrets.outputs.settings;
+                };
 
                 users.h7x4 = import ./home/home.nix {
                   inherit pkgs;
                   inherit inputs;
+                  inherit (pkgs) lib;
                   inherit (config) machineVars colors;
+                  inherit (self) extendedLib;
                 };
               };
             })

home/config/ssh/hosts/pvv.nix

@@ -1,6 +1,5 @@
-{ pkgs, secrets, ... }:
+{ pkgs, lib, extendedLib, secrets, ... }:
 let
-  inherit (pkgs) lib;
   inherit (secrets.ssh.users.pvv) normalUser adminUser;
 
   # http://www.pvv.ntnu.no/pvv/Maskiner
@@ -82,10 +81,9 @@ let
     ];
   in
     machines: pipe machines pipeline;
-
 in
   {
-    programs.ssh.matchBlocks = lib.attrsets.concatAttrs [
+    programs.ssh.matchBlocks = extendedLib.attrsets.concatAttrs [
       (convertMachinesWith convertNormalMachine normalMachines)
       (convertMachinesWith convertAdminMachine rootMachines)
     ];

home/home.nix

@@ -1,6 +1,5 @@
-{ pkgs, inputs, machineVars, colors, ... } @ args: let
-  inherit (pkgs) lib;
-  inherit (pkgs.lib) mkForce mkIf optionals;
+{ pkgs, lib, extendedLib, inputs, machineVars, colors, ... } @ args: let
+  inherit (lib) mkForce mkIf optionals;
   graphics = !machineVars.headless;
 in {
   inherit machineVars;
@@ -54,7 +53,7 @@ in {
     homeDirectory = "/home/h7x4";
     file = {
       ".ghci".text = ''
-        :set prompt "${lib.termColors.front.magenta "[GHCi]λ"} ".
+        :set prompt "${extendedLib.termColors.front.magenta "[GHCi]λ"} ".
       '';
 
       ".pyrc".text = ''
@@ -63,7 +62,7 @@ in {
 
         # You also need \x01 and \x02 to separate escape sequence, due to:
         # https://stackoverflow.com/a/9468954/1147688
-        sys.ps1='\x01\x1b${lib.termColors.front.blue "[Python]> "}\x02>>>\x01\x1b[0m\x02 '  # bright yellow
+        sys.ps1='\x01\x1b${extendedLib.termColors.front.blue "[Python]> "}\x02>>>\x01\x1b[0m\x02 '  # bright yellow
         sys.ps2='\x01\x1b[1;49;31m\x02...\x01\x1b[0m\x02 '  # bright red
       '';
     };

home/shellOptions.nix

@@ -1,7 +1,4 @@
-{ pkgs, config, ... }: let
-
-  # FIXME: lib should be imported directly as a module argument.
-  inherit (pkgs) lib;
+{ pkgs, lib, extendedLib, config, ... }: let
 
   sedColor =
     color:
@@ -16,7 +13,7 @@
   # Context Functors
   functors = let
     inherit (lib.strings) concatStringsSep;
-    inherit (lib.termColors.front) blue;
+    inherit (extendedLib.termColors.front) blue;
     genWrapper = type: value: { inherit type; inherit value; };
   in
     {
@@ -228,7 +225,7 @@ in rec {
         watch = "${procps}/bin/watch ";
 
         concatPdfs = shellThen [
-          "echo \"${lib.termColors.front.red "Concatenating all pdfs in current directory to 'out.pdf'"}\""
+          "echo \"${extendedLib.termColors.front.red "Concatenating all pdfs in current directory to 'out.pdf'"}\""
           "${poppler_utils}/bin/pdfunite *.pdf out.pdf"
         ];
 
@@ -247,14 +244,14 @@ in rec {
 
       "Misc" = {
         youtube-dl-list = shellJoin [
-          "${youtube-dl}/bin/youtube-dl"
+          "${yt-dlp}/bin/yt-dlp"
           "-f \"bestvideo[ext=mp4]+bestaudio[e=m4a]/bestvideo+bestaudio\""
           "-o \"%(playlist_index)s-%(title)s.%(ext)s\""
         ];
 
-        music-dl = "${youtube-dl}/bin/youtube-dl --extract-audio -f \"bestaudio[ext=m4a]/best\"";
+        music-dl = "${yt-dlp}/bin/yt-dlp --extract-audio -f \"bestaudio[ext=m4a]/best\"";
         music-dl-list = shellJoin [
-          "${youtube-dl}/bin/youtube-dl"
+          "${yt-dlp}/bin/yt-dlp"
           "--extract-audio"
           "-f \"bestaudio[ext=m4a]/best\""
           "-o \"%(playlist_index)s-%(title)s.%(ext)s\""
@@ -273,8 +270,12 @@ in rec {
 
       "Generated" = {
         "cds" = let
-          inherit (lib.strings) concatStringsSep repeatString;
-          inherit (lib.lists) range flatten repeat;
+          inherit (lib.strings) concatStringsSep;
+          inherit (extendedLib.strings) repeatString;
+
+          inherit (lib.lists) range flatten;
+          inherit (extendedLib.lists) repeat;
+
           inherit (lib.attrsets) nameValuePair listToAttrs;
 
           nthCds = n: [
@@ -336,7 +337,8 @@ in rec {
     };
 
     flattened.aliases = let
-      inherit (lib.attrsets) mapAttrs attrValues filterAttrs isAttrs concatAttrs;
+      inherit (lib.attrsets) mapAttrs attrValues filterAttrs isAttrs;
+      inherit (extendedLib.attrsets) concatAttrs;
       inherit (lib.strings) isString concatStringsSep;
 
       applyFunctor = attrset: functors.${attrset.type}.apply attrset;
@@ -369,11 +371,12 @@ in rec {
   xdg.dataFile = {
     aliases = {
       text = let
-        inherit (lib.strings) unlines wrap' replaceStrings' stringLength repeatString;
+        inherit (lib.strings) stringLength;
+        inherit (extendedLib.strings) unlines wrap' replaceStrings' repeatString;
         inherit (lib.attrsets) attrValues mapAttrs isAttrs;
         inherit (lib.lists) remove;
         inherit (lib.trivial) mapNullable;
-        inherit (lib.termColors.front) red green blue;
+        inherit (extendedLib.termColors.front) red green blue;
 
         # int -> String -> AttrSet -> String
         stringifyCategory = level: name: category:
@@ -409,8 +412,8 @@ in rec {
       packageManagerLecture = {
       target = "package-manager.lecture";
       text = let
-        inherit (lib.strings) unlines;
-        inherit (lib.termColors.front) red blue;
+        inherit (extendedLib.strings) unlines;
+        inherit (extendedLib.termColors.front) red blue;
       in unlines [
         ((red "This package manager is not installed on ") + (blue "NixOS") + (red "."))
         ((red "Either use ") + ("\"nix-env -i\"") + (red " or install it through a configuration file."))

hosts/common.nix

@@ -1,6 +1,5 @@
-{ pkgs, unstable-pkgs, config, inputs, secrets, ... }:
+{ pkgs, unstable-pkgs, lib, extendedLib, config, inputs, secrets, ... }:
 let
-  inherit (pkgs) lib;
   # inherit (specialArgs) machineVars;
   inherit (config) machineVars;
   # has_graphics = !config.machineVars.headless;
@@ -130,7 +129,7 @@ in {
       # TODO: move this out of etc, and reference it directly in sudo config.
       sudoLecture = {
         target = "sudo.lecture";
-        text = lib.termColors.front.red "Be careful or something, idk...\n";
+        text = extendedLib.termColors.front.red "Be careful or something, idk...\n";
       };
 
       "resolv.conf".source = let

lib/attrsets.nix

@@ -1,8 +1,8 @@
-final: prev:
+{ stdlib }:
 let
-  inherit (prev.lib.attrsets) mapAttrs isAttrs filterAttrs listToAttrs nameValuePair attrNames mapAttrsToList;
-  inherit (prev.lib.lists) foldr imap0 imap1;
-in prev.lib.attrsets // rec {
+  inherit (stdlib.attrsets) mapAttrs isAttrs filterAttrs listToAttrs nameValuePair attrNames mapAttrsToList;
+  inherit (stdlib.lists) foldr imap0 imap1;
+in rec {
   # a -> [String] -> AttrSet{a}
   mapToAttrsWithConst = constant: items:
     listToAttrs (map (name: nameValuePair name constant) items);

lib/default.nix

@@ -0,0 +1,8 @@
+{ stdlib }: 
+rec {
+  attrsets =   import ./attrsets.nix { inherit stdlib; };
+  lists =      import ./lists.nix { inherit stdlib; };
+  strings =    import ./strings.nix { inherit stdlib lists; };
+  termColors = import ./termColors.nix { inherit stdlib strings; };
+  trivial =    import ./trivial.nix { inherit stdlib; };
+}

lib/lists.nix

@@ -1,8 +1,8 @@
-final: prev:
+{ stdlib }:
 let 
-  inherit (prev.lib.trivial) const;
-  inherit (prev.lib.lists) range any all;
-in prev.lib.lists // {
+  inherit (stdlib.trivial) const;
+  inherit (stdlib.lists) range any all;
+in {
   # a -> Int -> [a]
   repeat = item: times: map (const item) (range 1 times);
 

lib/strings.nix

@@ -1,9 +1,9 @@
-final: prev:
+{ stdlib, lists }:
 let
-  inherit (final.lib.lists) repeat length;
-  inherit (prev.lib.strings) concatStringsSep replaceStrings splitString;
-  # inherit (final.lib.strings) wrap;
-in prev.lib.strings // rec {
+  inherit (stdlib.lists) length;
+  inherit (lists) repeat;
+  inherit (stdlib.strings) concatStringsSep replaceStrings splitString;
+in rec {
   # String -> [String]
   lines = splitString "\n";
 

lib/termColors.nix

@@ -1,8 +1,7 @@
-final: prev:
+{ stdlib, strings }:
 let
-  inherit (final.lib.strings) wrap;
-  inherit (prev.lib.attrsets) mapAttrs' nameValuePair;
-  # inherit (final.lib.myStuff.termColors) escapeCharacter escapeColor resetCharacter wrapWithColor' colorMappings;
+  inherit (strings) wrap;
+  inherit (stdlib.attrsets) mapAttrs' nameValuePair;
 in rec {
   # String
   escapeCharacter = "";

lib/trivial.nix

@@ -1,6 +1,5 @@
-final: prev:
-let
-in prev.lib.trivial // {
+{ stdlib }:
+{
   # a -> b -> Either (a b)
   withDefault = default: value:
     if (value == null) then default else value;

modules/machineVars.nix

@@ -1,6 +1,5 @@
-{ pkgs, config, ... }:
+{ lib, config, ... }:
 let
-  inherit (pkgs) lib;
   inherit (lib) types mkEnableOption mkOption mkIf;
   cfg = config.machineVars;
 in {

overlays/lib/default.nix

@@ -1,10 +0,0 @@
-final: prev: 
-{
-  lib = prev.lib // {
-    attrsets =   (import ./attrsets.nix) final prev;
-    lists =      (import ./lists.nix) final prev;
-    strings =    (import ./strings.nix) final prev;
-    termColors = (import ./termColors.nix) final prev;
-    trivial =    (import ./trivial.nix) final prev;
-  };
-}