add nix flake

.github/workflows/linux.yml

@@ -85,3 +85,25 @@ jobs:
             ebuild /var/db/repos/localrepo/app-misc/psn/psn-9999.ebuild manifest
           FEATURES="-ipc-sandbox -network-sandbox -pid-sandbox -mount-sandbox -usersandbox -userpriv" \
             emerge -pv =app-misc/psn-9999
+
+  nix:
+    runs-on: ubuntu-latest
+    container:
+      image: nixos/nix:2.34.0
+
+    steps:
+      - name: Enable flakes
+        run: |
+          mkdir -p /etc/nix
+          echo "experimental-features = nix-command flakes" >> /etc/nix/nix.conf
+
+      - name: Clone repository
+        run: |
+          git init /psn
+          git -C /psn fetch --depth 1 "https://github.com/${GITHUB_REPOSITORY}.git" "${GITHUB_REF}"
+          git -C /psn checkout FETCH_HEAD
+
+      - name: Build nix flake
+        run: |
+          cd /psn
+          nix build . --option sandbox false --print-build-logs

README.md

@@ -7,6 +7,9 @@
 [![Codecov](https://codecov.io/gh/l5yth/psn/graph/badge.svg)](https://codecov.io/gh/l5yth/psn)
 [![GitHub Release](https://img.shields.io/github/v/release/l5yth/psn)](https://github.com/l5yth/psn/releases)
 [![Crates.io](https://img.shields.io/crates/v/psn.svg)](https://crates.io/crates/psn)
+[![AUR Version](https://img.shields.io/aur/version/psn-bin?logo=archlinux)](https://aur.archlinux.org/packages/psn-bin)
+[![Nix Flake](https://img.shields.io/badge/nix-flake-5277C3?logo=nixos)](https://github.com/l5yth/psn/blob/main/flake.nix)
+[![Gentoo](https://img.shields.io/badge/gentoo-ebuild-54487A?logo=gentoo)](https://github.com/l5yth/psn/tree/main/packaging/gentoo)
 [![Top Language](https://img.shields.io/github/languages/top/l5yth/psn)](https://github.com/l5yth/psn)
 [![License: Apache-2.0](https://img.shields.io/github/license/l5yth/psn)](https://github.com/l5yth/psn/blob/main/LICENSE)
 

flake.nix

@@ -0,0 +1,19 @@
+# Copyright (c) 2026 l5yth
+# SPDX-License-Identifier: Apache-2.0
+{
+  description = "Terminal UI for process status navigation and control";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs = { self, nixpkgs, flake-utils }:
+    flake-utils.lib.eachDefaultSystem (system:
+      let
+        pkgs = nixpkgs.legacyPackages.${system};
+      in {
+        packages.default = pkgs.callPackage ./packaging/nix {};
+      }
+    );
+}

packaging/nix/default.nix

@@ -0,0 +1,20 @@
+# Copyright (c) 2026 l5yth
+# SPDX-License-Identifier: Apache-2.0
+{ lib, rustPlatform }:
+
+rustPlatform.buildRustPackage {
+  pname = "psn";
+  version = "0.1.2";
+
+  src = lib.cleanSource ../..;
+
+  cargoLock.lockFile = ../../Cargo.lock;
+
+  meta = with lib; {
+    description = "Terminal UI for process status navigation and control";
+    homepage = "https://github.com/l5yth/psn";
+    license = licenses.asl20;
+    mainProgram = "psn";
+    platforms = platforms.linux;
+  };
+}