feat: use pkgs.formats for everything

configs/alacritty.nix

@@ -1,46 +1,45 @@
 { pkgs, lib, config, ... }:
-let
-  inherit (import <niveum/lib>) colours;
-  colourNames =
-    [ "black" "red" "green" "yellow" "blue" "magenta" "cyan" "white" ];
-  colourPairs = lib.getAttrs colourNames colours;
-  alacrittyConfig = {
-    background_opacity = 0.9;
-    colors = {
-      primary = { inherit (colours) background foreground; };
-      normal = lib.mapAttrs (_: colour: colour.dark) colourPairs;
-      bright = lib.mapAttrs (_: colour: colour.bright) colourPairs;
-    };
-    font = {
-      normal.family = "Monospace";
-      size = 6;
-    };
-    key_bindings = [
-      {
-        key = "Add";
-        mods = "Control";
-        action = "IncreaseFontSize";
-      }
-      {
-        key = "Minus";
-        mods = "Control";
-        action = "DecreaseFontSize";
-      }
-      {
-        key = "Key0";
-        mods = "Control";
-        action = "ResetFontSize";
-      }
-    ];
-  };
-in {
+{
   environment.variables.TERMINAL = "alacritty";
 
   environment.systemPackages = [
     pkgs.alacritty
   ];
 
-  home-manager.users.me.xdg.configFile = {
-    "alacritty/alacritty.yml".text = builtins.toJSON alacrittyConfig;
+  home-manager.users.me.xdg.configFile =
+  let
+    inherit (import <niveum/lib>) colours;
+    colourNames = [ "black" "red" "green" "yellow" "blue" "magenta" "cyan" "white" ];
+    colourPairs = lib.getAttrs colourNames colours;
+  in {
+    "alacritty/alacritty.yml".source = (pkgs.formats.yaml {}).generate "alacritty.yml" {
+      background_opacity = 0.9;
+      colors = {
+        primary = { inherit (colours) background foreground; };
+        normal = lib.mapAttrs (_: colour: colour.dark) colourPairs;
+        bright = lib.mapAttrs (_: colour: colour.bright) colourPairs;
+      };
+      font = {
+        normal.family = "Monospace";
+        size = 6;
+      };
+      key_bindings = [
+        {
+          key = "Add";
+          mods = "Control";
+          action = "IncreaseFontSize";
+        }
+        {
+          key = "Minus";
+          mods = "Control";
+          action = "DecreaseFontSize";
+        }
+        {
+          key = "Key0";
+          mods = "Control";
+          action = "ResetFontSize";
+        }
+      ];
+    };
   };
 }

configs/default.nix

@@ -36,7 +36,6 @@ in {
           (self: super: {
             scripts = import <niveum/packages/scripts> { pkgs = super; lib = super.lib; };
           })
-          (import <niveum/overlays/toml.nix>)
           (import <stockholm/krebs/5pkgs/haskell>)
           (import <stockholm/submodules/nix-writers/pkgs>)
           (import <stockholm/krebs/5pkgs/override>)

configs/i3.nix

@@ -143,7 +143,7 @@ in {
           };
         };
         statusCommand = "${pkgs.i3status-rust}/bin/i3status-rs ${
-            pkgs.writeTOML (import <niveum/lib/i3status-rust.nix> {
+            (pkgs.formats.toml {}).generate "i3status-rust.toml" (import <niveum/lib/i3status-rust.nix> {
               inherit (config.niveum) batteryName wirelessInterface;
               inherit colours;
               inherit pkgs;

configs/matterbridge.nix

@@ -1,47 +1,6 @@
 { pkgs, lib, ... }:
-let
-  bridgeBotToken = lib.strings.fileContents <system-secrets/telegram/kmein.token>;
-  config = {
-    general = {
-      RemoteNickFormat = "[{NICK}] ";
-      Charset = "utf-8";
-    };
-    telegram.kmein.Token = bridgeBotToken;
-    irc.freenode = {
-      Server = "irc.freenode.net:6667";
-      Nick = "ponte";
-      StripMarkdown = true;
-    };
-    mumble.lassulus = {
-      Server = "lassul.us:64738";
-      Nick = "krebs_bridge";
-      SkipTLSVerify = true;
-    };
-    gateway = [
-      {
-        name = "krebs-bridge";
-        enable = true;
-        inout = [
-          {
-            account = "irc.freenode";
-            channel = "#krebs";
-          }
-          {
-            account = "telegram.kmein";
-            channel = "-330372458";
-          }
-          {
-            account = "mumble.lassulus";
-            channel = 6; # "nixos"
-          }
-        ];
-      }
-    ];
-  };
-in
 {
   nixpkgs.overlays = [
-    (import <niveum/overlays/toml.nix>)
     (self: super: {
       matterbridge = (import (super.fetchFromGitHub {
         owner = "NixOS";
@@ -54,6 +13,44 @@ in
 
   services.matterbridge = {
     enable = true;
-    configPath = toString (pkgs.writeTOML config);
+    configPath =
+    let bridgeBotToken = lib.strings.fileContents <system-secrets/telegram/kmein.token>;
+    in toString ((pkgs.formats.toml {}).generate "config.toml" {
+      general = {
+        RemoteNickFormat = "[{NICK}] ";
+        Charset = "utf-8";
+      };
+      telegram.kmein.Token = bridgeBotToken;
+      irc.freenode = {
+        Server = "irc.freenode.net:6667";
+        Nick = "ponte";
+        StripMarkdown = true;
+      };
+      mumble.lassulus = {
+        Server = "lassul.us:64738";
+        Nick = "krebs_bridge";
+        SkipTLSVerify = true;
+      };
+      gateway = [
+        {
+          name = "krebs-bridge";
+          enable = true;
+          inout = [
+            {
+              account = "irc.freenode";
+              channel = "#krebs";
+            }
+            {
+              account = "telegram.kmein";
+              channel = "-330372458";
+            }
+            {
+              account = "mumble.lassulus";
+              channel = 6; # "nixos"
+            }
+          ];
+        }
+      ];
+    });
   };
 }

configs/mpd-fm.nix

@@ -47,7 +47,7 @@ in
   systemd.services.mpd-fm-stations =
   let
     stations = lib.lists.imap0 (id: {desc ? "", logo ? "https://picsum.photos/seed/${builtins.hashString "md5" stream}/300", stream, station}: { inherit id desc logo stream station; }) streams;
-    stationsJson = pkgs.writeText "stations.json" (builtins.toJSON stations);
+    stationsJson = (pkgs.formats.json {}).generate "stations.json" stations;
   in {
     wantedBy = [ "mpd-fm.service" ];
     startAt = "hourly";

configs/packages/haskell/default.nix

@@ -10,8 +10,9 @@
     '';
     # :def unpl \x -> return $ ":!${pkgs.haskellPackages.pointful}/bin/pointful \"" ++ x ++ "\""
       # :def pl \x -> return $ ":!${pkgs.haskellPackages.pointfree}/bin/pointfree -v \"" ++ x ++ "\""
-    ".stack/config.yaml".text = let inherit (import <niveum/lib>) kieran;
-    in builtins.toJSON {
+    ".stack/config.yaml".source =
+    let inherit (import <niveum/lib>) kieran;
+    in (pkgs.formats.yaml {}).generate "config.yaml" {
       templates.params = {
         author-name = kieran.name;
         author-email = kieran.email;

configs/urlwatch.nix

@@ -66,7 +66,7 @@ let
     }
   ];
 
-  configFile = pkgs.writeText "urlwatch.yaml" (builtins.toJSON {
+  configFile = (pkgs.formats.yaml {}).generate "urlwatch.yaml" {
     display = {
       error = true;
       new = true;
@@ -100,7 +100,7 @@ let
       #   chat_id = [ "18980945" ];
       # };
     };
-  });
+  };
   urlwatch = pkgs.urlwatch.overrideAttrs (attrs: {
     patches = [ <niveum/packages/urlwatch-insecure.patch> ];
   });

modules/mpd-fm.nix

@@ -44,7 +44,7 @@ in {
 
     stationsFile = mkOption {
       type = types.path;
-      default = pkgs.writeText "stations.json" (builtins.toJSON cfg.stations);
+      default = (pkgs.formats.json {}).generate "stations.json" cfg.stations;
     };
 
     package = mkOption {

overlays/toml.nix

@@ -1,7 +0,0 @@
-(self: super: {
-  writeTOML = object: super.runCommand "writeTOML" {} ''
-    echo '${builtins.toJSON object}' | ${super.remarshal}/bin/json2toml > $out
-  '';
-  toTOML = object: builtins.readFile (self.writeTOML object);
-  writeJSON = path: object: super.writeText path (builtins.toJSON object);
-})