add package for 'biri', a fork of niri with PRs merged

modules/dev-shells/biri.nix

@@ -0,0 +1,67 @@
+{ inputs, self, ... }: {
+  perSystem = { system, ... }: let
+    pkgs = import inputs.nixpkgs {
+      inherit system;
+      overlays = [
+        (final: prev: {
+          libdisplay-info = inputs.nixpkgs-26-05.legacyPackages.${system}.libdisplay-info;
+        })
+      ];
+      config = { };
+    };
+  in {
+    devShells.niri = with pkgs; mkShell {
+      name = "niri-dev-shell";
+
+      strictDeps = true;
+      
+      buildInputs = with pkgs; [
+        llvmPackages_latest.llvm
+        glib
+        libsysprof-capture
+        pcre2
+        libffi
+        util-linux
+        selinuxPackages.libselinux
+        pipewire
+        systemd
+        seatd
+        pango
+        libdisplay-info
+        libinput
+        libxkbcommon
+        libglvnd
+        libgbm
+        wayland
+        dbus
+      ];
+
+      nativeBuildInputs = [
+        rustc
+        cargo
+        pkg-config
+        rustPlatform.bindgenHook
+      ];
+
+      env = {
+        # Force linking with libEGL and libwayland-client
+        # so they can be discovered by `dlopen()`
+        RUSTFLAGS = toString (
+          map (arg: "-C link-arg=" + arg) [
+            "-Wl,--push-state,--no-as-needed"
+            "-lEGL"
+            "-lwayland-client"
+            "-Wl,--pop-state"
+          ]
+        );
+
+        # Upstream recommends setting the commit hash manually when in a
+        # build environment where the Git repository is unavailable.
+        # See https://github.com/niri-wm/niri/wiki/Packaging-niri#version-string
+        NIRI_BUILD_COMMIT = "barrulus/biri";
+      };
+
+      RUST_SRC_PATH = "${pkgs.rustPlatform.rustLibSrc}";
+    };
+  };
+}