refactor(devkit,ghostty): use cli flags to set preferences

packages/devkit/ghostty.nix

@@ -2,43 +2,56 @@
   symlinkJoin,
   makeWrapper,
   pkgs,
+  lib,
   ghostty ? pkgs.ghostty,
   command ? null,
 }: let
   colors = import ./colors.nix;
-  theme = with colors;
-    pkgs.writeText "theme" ''
-      palette = 0=${base00}
-      palette = 1=${base08}
-      palette = 2=${base0B}
-      palette = 3=${base0A}
-      palette = 4=${base0D}
-      palette = 5=${base0E}
-      palette = 6=${base0C}
-      palette = 7=${base05}
-      palette = 8=${base03}
-      palette = 9=${base08}
-      palette = 10=${base0B}
-      palette = 11=${base0A}
-      palette = 12=${base0D}
-      palette = 13=${base0E}
-      palette = 14=${base0C}
-      palette = 15=${base07}
-
-      background = ${base00}
-      background-opacity = 0.9
-      foreground = ${base05}
-      cursor-color = ${base05}
-      selection-background = ${base02}
-      selection-foreground = ${base07}
-    '';
+  config = with colors; {
+    background = base00;
+    background-opacity = 0.9;
+    cursor-color = base05;
+    foreground = base05;
+    gtk-titlebar = false;
+    gtk-titlebar-hide-when-maximized = true;
+    palette = [
+      "0=${base00}"
+      "1=${base08}"
+      "2=${base0B}"
+      "3=${base0A}"
+      "4=${base0D}"
+      "5=${base0E}"
+      "6=${base0C}"
+      "7=${base05}"
+      "8=${base03}"
+      "9=${base08}"
+      "10=${base0B}"
+      "11=${base0A}"
+      "12=${base0D}"
+      "13=${base0E}"
+      "14=${base0C}"
+      "15=${base07}"
+    ];
+    selection-background = base02;
+    selection-foreground = base07;
+  };
 in
   symlinkJoin ({
       paths = [ghostty];
       nativeBuildInputs = [makeWrapper pkgs.coreutils];
       postBuild = ''
-        wrapProgram $out/bin/ghostty \
-          --add-flags '--theme=${theme}' ${
+        wrapProgram $out/bin/ghostty ${
+          with lib;
+            pipe config [
+              (mapAttrsToList
+                (n: v:
+                  if isList v
+                  then (map (v: ["--add-flags" "--${n}='${toString v}'"]) v)
+                  else ["--add-flags" "--${n}='${toString v}'"]))
+              flatten
+              escapeShellArgs
+            ]
+        } ${
           if !(isNull command)
           then "--add-flags '-e' --add-flags '${command}'"
           else ""