Local homepage

Basically the same thing as currently online, except templated, and
trimmed from useless stuff, but needs modernization.

hm/desktop/browser/homepage.nix

@@ -0,0 +1,107 @@
+{
+  pkgs,
+  lib,
+  config,
+  ...
+}:
+let
+  # TODO ForkAwesome is deprecated, find something else
+  fa = pkgs.fetchFromGitHub {
+    owner = "ForkAwesome";
+    repo = "Fork-Awesome";
+    rev = "1.2.0";
+    sha256 = "sha256-zG6/0dWjU7/y/oDZuSEv+54Mchng64LVyV8bluskYzc=";
+  };
+  data = config.frogeye.homepage // {
+    sections = builtins.attrValues config.frogeye.homepage.sections;
+    css = ./homepage.css;
+    fa_css = "${fa}/css/fork-awesome.min.css";
+  };
+  # Blatantly stolen from https://pablo.tools/blog/computers/nix-mustache-templates/
+  homepage = builtins.toString (
+    pkgs.stdenv.mkDerivation {
+
+      name = "homepage.html";
+
+      nativeBuildInpts = [ pkgs.mustache-go ];
+
+      passAsFile = [ "jsonData" ];
+      jsonData = builtins.toJSON data;
+
+      phases = [
+        "buildPhase"
+        "installPhase"
+      ];
+
+      buildPhase = ''
+        ${pkgs.mustache-go}/bin/mustache $jsonDataPath ${./homepage.html.mustache} > homepage.html
+      '';
+
+      installPhase = ''
+        cp homepage.html $out
+      '';
+    }
+  );
+in
+{
+  config.programs = {
+    firefox.profiles.hm.settings."browser.startup.homepage" = homepage;
+    qutebrowser.settings.url = {
+      start_pages = homepage;
+      default_page = homepage;
+    };
+  };
+  options.frogeye.homepage = {
+    sections = lib.mkOption {
+      default = { };
+      description = "Folders used by users";
+      # Top-level so Syncthing can work for all users. Also there's no real home-manager syncthing module.
+      type = lib.types.attrsOf (
+        lib.types.submodule (
+          { config, name, ... }:
+          {
+            options = {
+              title = lib.mkOption {
+                type = lib.types.str;
+                default = "Section title";
+              };
+              color = lib.mkOption {
+                type = lib.types.str;
+                default = "#337ab7";
+              };
+              image = lib.mkOption {
+                type = lib.types.nullOr lib.types.path;
+                default = null;
+              };
+              links = lib.mkOption {
+                default = [ ];
+                type = lib.types.listOf (
+                  lib.types.submodule (
+                    { config, ... }:
+                    {
+                      options = {
+                        name = lib.mkOption {
+                          type = lib.types.str;
+                          default = "Link";
+                        };
+                        url = lib.mkOption {
+                          type = lib.types.str;
+                          default = "about:blank";
+                        };
+                        icon = lib.mkOption {
+                          type = lib.types.str;
+                          default = "question-circle";
+                        };
+                      };
+                    }
+                  )
+                );
+              };
+            };
+          }
+        )
+      );
+    };
+
+  };
+}