mime: extract declaration from implementation

Maybe this should be made into a separate package later.

user/desktop-entries.nix

@@ -0,0 +1,58 @@
+{ config, pkgs, lib, ... }: {
+  xdg.desktopEntries = {
+    kak = {
+      name = "Kakoune";
+      genericName = "Text Editor";
+      comment = "Edit text files";
+      exec = "kak %F";
+      terminal = true;
+      type = "Application";
+      icon = "kak.desktop";
+      categories = [ "Utility" "TextEditor" ];
+      startupNotify = true;
+      mimeType = [
+        "text/english"
+        "text/plain"
+        "text/x-makefile"
+        "text/x-c++hdr"
+        "text/x-c++src"
+        "text/x-chdr"
+        "text/x-csrc"
+        "text/x-java"
+        "text/x-moc"
+        "text/x-pascal"
+        "text/x-tcl"
+        "text/x-tex"
+        "application/x-shellscript"
+        "text/x-c"
+        "text/x-c++"
+      ];
+      settings = {
+        Keywords = "Text;editor;";
+        TryExec = "kak";
+      };
+    };
+    neomutt = {
+      name = "Neomutt";
+      genericName = "Email Client";
+      comment = "View and Send Emails";
+      exec = "neomutt %U";
+      terminal = true;
+      type = "Application";
+      icon = "mutt";
+      categories = [ "Network" "Email" ];
+      startupNotify = false;
+      mimeType = [ "x-scheme-handler/mailto" ];
+      settings = { Keywords = "Mail;E-mail;"; };
+    };
+    down_meme = {
+      name = "DownMeme";
+      genericName = "Download memes";
+      exec = "down_meme";
+      terminal = true;
+      type = "Application";
+      icon = "download";
+      categories = [ "Network" ];
+    };
+  };
+}

user/gnome.nix

@@ -35,4 +35,15 @@
     gnome-passwordsafe
   ];
 
+  xdg.defaultApplications = {
+    enable = true;
+    text-editor = "codium.desktop";
+    image-viewer = "org.gnome.eog.desktop";
+    video-player = "org.gnome.Totem.desktop";
+    web-browser = "firefox.desktop";
+    document-viewer = "org.gnome.Evince.desktop";
+    file-manager = "org.gnome.Nautilus.desktop";
+    email-client = "thunderbird.desktop";
+    torrent-client = "torrent.desktop";
+  };
 }

user/home.nix

@@ -19,6 +19,7 @@
     ./pipewire.nix
     ./rtp-sink.nix
     ./mimeapps.nix
+    ./desktop-entries.nix
     ./chat.nix
     ./email.nix
     ./syncthing.nix
@@ -153,6 +154,21 @@
     indicator = true;
   };
 
+  xdg.defaultApplications = {
+    enable = true;
+    text-editor = lib.mkDefault "kak.desktop";
+    image-viewer = lib.mkDefault "pqiv.desktop";
+    video-player = lib.mkDefault "mpv.desktop";
+    web-browser = lib.mkDefault ({
+      firefox = lib.mkDefault "firefox.desktop";
+      qutebrowser = lib.mkDefault "org.qutebrowser.qutebrowser.desktop";
+    }.${pkgs.uservars.browser});
+    document-viewer = lib.mkDefault "org.pwmt.zathura.desktop";
+    file-manager = lib.mkDefault "thunar.desktop";
+    email-client = lib.mkDefault "thunderbird.desktop";
+    torrent-client = lib.mkDefault "torrent.desktop";
+  };
+
   wayland.windowManager.sway.extraConfig = lib.optionalString (osConfig.networking.hostName or "" == "monolith") ''
     exec steam
     exec obs --startreplaybuffer

user/mimeapps.nix

@@ -1,63 +1,24 @@
 { config, pkgs, lib, font, ... }:
-let inherit (pkgs.uservars) browser;
+let
-in {
+  inherit (pkgs.uservars) browser;
-  config = {
+  cfg = config.xdg.defaultApplications;
-    xdg.desktopEntries = {
+in
-      kak = {
+{
-        name = "Kakoune";
+  options = {
-        genericName = "Text Editor";
+    xdg.defaultApplications = {
-        comment = "Edit text files";
+      enable = lib.mkEnableOption "Whether vpn should be enabled";
-        exec = "kak %F";
+      text-editor = lib.mkOption { };
-        terminal = true;
+      image-viewer = lib.mkOption { };
-        type = "Application";
+      video-player = lib.mkOption { };
-        icon = "kak.desktop";
+      web-browser = lib.mkOption { };
-        categories = [ "Utility" "TextEditor" ];
+      document-viewer = lib.mkOption { };
-        startupNotify = true;
+      torrent-client = lib.mkOption { };
-        mimeType = [
+      file-manager = lib.mkOption { };
-          "text/english"
+      email-client = lib.mkOption { };
-          "text/plain"
-          "text/x-makefile"
-          "text/x-c++hdr"
-          "text/x-c++src"
-          "text/x-chdr"
-          "text/x-csrc"
-          "text/x-java"
-          "text/x-moc"
-          "text/x-pascal"
-          "text/x-tcl"
-          "text/x-tex"
-          "application/x-shellscript"
-          "text/x-c"
-          "text/x-c++"
-        ];
-        settings = {
-          Keywords = "Text;editor;";
-          TryExec = "kak";
-        };
-      };
-      neomutt = {
-        name = "Neomutt";
-        genericName = "Email Client";
-        comment = "View and Send Emails";
-        exec = "neomutt %U";
-        terminal = true;
-        type = "Application";
-        icon = "mutt";
-        categories = [ "Network" "Email" ];
-        startupNotify = false;
-        mimeType = [ "x-scheme-handler/mailto" ];
-        settings = { Keywords = "Mail;E-mail;"; };
-      };
-      down_meme = {
-        name = "DownMeme";
-        genericName = "Download memes";
-        exec = "down_meme";
-        terminal = true;
-        type = "Application";
-        icon = "download";
-        categories = [ "Network" ];
     };
   };
+
+  config = lib.mkIf (cfg.enable) {
     # workaround to allow overriding mimeapps file
     # btw, whatever it was that decided that damn file should always be written is an asshole
     xdg.configFile."mimeapps.list".force = true;
@@ -73,29 +34,24 @@ in {
             (map (createMimeAssociation mime_prefix application) mime_suffixes));
 
         mimes = simple
-          // (createMimeAssociations "text" "kak.desktop" text_suffixes)
+          // (createMimeAssociations "text" cfg.text-editor text_suffixes)
-          // (createMimeAssociations "image" "pqiv.desktop" image_suffixes)
+          // (createMimeAssociations "image" cfg.image-viewer image_suffixes)
-          // (createMimeAssociations "video" "mpv.desktop" video_suffixes);
+          // (createMimeAssociations "video" cfg.video-player video_suffixes);
-
-        browser_desktop = {
-          firefox = "firefox.desktop";
-          qutebrowser = "org.qutebrowser.qutebrowser.desktop";
-        }.${browser};
 
         simple = {
-          "inode/directory" = "thunar.desktop";
+          "inode/directory" = cfg.file-manager;
 
-          "application/pdf" = "org.pwmt.zathura.desktop";
+          "application/pdf" = cfg.document-viewer;
-          "application/epub+zip" = "org.pwmt.zathura.desktop";
+          "application/epub+zip" = cfg.document-viewer;
 
-          "text/html" = browser_desktop;
+          "text/html" = cfg.web-browser;
-          "x-scheme-handler/http" = browser_desktop;
+          "x-scheme-handler/http" = cfg.web-browser;
-          "x-scheme-handler/https" = browser_desktop;
+          "x-scheme-handler/https" = cfg.web-browser;
 
-          "x-scheme-handler/magnet" = "torrent.desktop";
+          "x-scheme-handler/magnet" = cfg.torrent-client;
-          "application/x-bittorrent" = "torrent.desktop";
+          "application/x-bittorrent" = cfg.torrent-client;
 
-          "x-scheme-handler/mailto" = "thunderbird.desktop";
+          "x-scheme-handler/mailto" = cfg.email-client;
         };
 
         text_suffixes = [