feat(wrapping): introduce wrapped configurations

hosts/python/users/waybar.nix

@@ -0,0 +1,36 @@
+{
+  symlinkJoin,
+  waybar,
+  makeWrapper,
+  runCommand,
+  sass,
+}: let
+  styleCss =
+    runCommand "style.css" {
+      nativeBuildInputs = [sass];
+    } ''
+      sass ${./configs/waybar/style.scss} > $out
+    '';
+in
+  symlinkJoin {
+    name = "waybar";
+    paths = [
+      waybar
+    ];
+    nativeBuildInputs = [
+      makeWrapper
+    ];
+    postBuild = ''
+      wrapProgram $out/bin/waybar \
+        --add-flags "--config" \
+        --add-flags "${./configs/waybar/config.jsonc}" \
+        --add-flags "--style" \
+        --add-flags "${styleCss}"
+
+      substitute ${waybar}/lib/systemd/user/waybar.service $out/lib/systemd/user/waybar-wrapped.service \
+        --replace-fail ${waybar}/bin/waybar $out/bin/waybar
+    '';
+    meta = {
+      inherit (waybar.meta) mainProgram;
+    };
+  }