feat(nix): add comprehensive Nix flake for linux-rust

.envrc

@@ -0,0 +1 @@
+use flake

.gitignore

@@ -660,5 +660,9 @@ obj/
 # End of https://www.toptal.com/developers/gitignore/api/qt,c++,clion,kotlin,python,android,pycharm,androidstudio,visualstudiocode,linux
 linux/.qmlls.ini
 
-# Nix build symlink
+# Nix
 result
+result-*
+
+# direnv
+.direnv

default.nix

@@ -0,0 +1,12 @@
+(import (
+  let
+    lock = builtins.fromJSON (builtins.readFile ./flake.lock);
+    nodeName = lock.nodes.root.inputs.flake-compat;
+  in
+  fetchTarball {
+    url =
+      lock.nodes.${nodeName}.locked.url
+        or "https://github.com/edolstra/flake-compat/archive/${lock.nodes.${nodeName}.locked.rev}.tar.gz";
+    sha256 = lock.nodes.${nodeName}.locked.narHash;
+  }
+) { src = ./.; }).defaultNix

flake.lock

@@ -1,24 +1,140 @@
 {
   "nodes": {
+    "crane": {
+      "locked": {
+        "lastModified": 1765145449,
+        "narHash": "sha256-aBVHGWWRzSpfL++LubA0CwOOQ64WNLegrYHwsVuVN7A=",
+        "owner": "ipetkov",
+        "repo": "crane",
+        "rev": "69f538cdce5955fcd47abfed4395dc6d5194c1c5",
+        "type": "github"
+      },
+      "original": {
+        "owner": "ipetkov",
+        "repo": "crane",
+        "type": "github"
+      }
+    },
+    "flake-compat": {
+      "locked": {
+        "lastModified": 1733328505,
+        "narHash": "sha256-NeCCThCEP3eCl2l/+27kNNK7QrwZB1IJCrXfrbv5oqU=",
+        "rev": "ff81ac966bb2cae68946d5ed5fc4994f96d0ffec",
+        "revCount": 69,
+        "type": "tarball",
+        "url": "https://api.flakehub.com/f/pinned/edolstra/flake-compat/1.1.0/01948eb7-9cba-704f-bbf3-3fa956735b52/source.tar.gz"
+      },
+      "original": {
+        "type": "tarball",
+        "url": "https://flakehub.com/f/edolstra/flake-compat/1.tar.gz"
+      }
+    },
+    "flake-parts": {
+      "inputs": {
+        "nixpkgs-lib": "nixpkgs-lib"
+      },
+      "locked": {
+        "lastModified": 1765495779,
+        "narHash": "sha256-MhA7wmo/7uogLxiewwRRmIax70g6q1U/YemqTGoFHlM=",
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "rev": "5635c32d666a59ec9a55cab87e898889869f7b71",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hercules-ci",
+        "repo": "flake-parts",
+        "type": "github"
+      }
+    },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1764517877,
+        "lastModified": 1765425892,
-        "narHash": "sha256-pp3uT4hHijIC8JUK5MEqeAWmParJrgBVzHLNfJDZxg4=",
+        "narHash": "sha256-jlQpSkg2sK6IJVzTQBDyRxQZgKADC2HKMRfGCSgNMHo=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "5d6bdbddb4695a62f0d00a3620b37a15275a5093",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs-lib": {
+      "locked": {
+        "lastModified": 1761765539,
+        "narHash": "sha256-b0yj6kfvO8ApcSE+QmA6mUfu8IYG6/uU28OFn4PaC8M=",
+        "owner": "nix-community",
+        "repo": "nixpkgs.lib",
+        "rev": "719359f4562934ae99f5443f20aa06c2ffff91fc",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "nixpkgs.lib",
+        "type": "github"
+      }
+    },
+    "nixpkgs_2": {
+      "locked": {
+        "lastModified": 1761236834,
+        "narHash": "sha256-+pthv6hrL5VLW2UqPdISGuLiUZ6SnAXdd2DdUE+fV2Q=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "2d293cbfa5a793b4c50d17c05ef9e385b90edf6c",
+        "rev": "d5faa84122bc0a1fd5d378492efce4e289f8eac1",
         "type": "github"
       },
       "original": {
         "owner": "nixos",
-        "ref": "nixos-unstable",
+        "ref": "nixpkgs-unstable",
         "repo": "nixpkgs",
         "type": "github"
       }
     },
     "root": {
       "inputs": {
-        "nixpkgs": "nixpkgs"
+        "crane": "crane",
+        "flake-compat": "flake-compat",
+        "flake-parts": "flake-parts",
+        "nixpkgs": "nixpkgs",
+        "systems": "systems",
+        "treefmt-nix": "treefmt-nix"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    },
+    "treefmt-nix": {
+      "inputs": {
+        "nixpkgs": "nixpkgs_2"
+      },
+      "locked": {
+        "lastModified": 1762938485,
+        "narHash": "sha256-AlEObg0syDl+Spi4LsZIBrjw+snSVU4T8MOeuZJUJjM=",
+        "owner": "numtide",
+        "repo": "treefmt-nix",
+        "rev": "5b4ee75aeefd1e2d5a1cc43cf6ba65eba75e83e4",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "treefmt-nix",
+        "type": "github"
       }
     }
   },

flake.nix

@@ -1,67 +1,141 @@
-
 {
-  description = "A Nix-flake-based Rust development environment";
+  description = "AirPods liberated from Apple's ecosystem";
 
   inputs = {
-    nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
+    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+    crane.url = "github:ipetkov/crane";
+    flake-parts.url = "github:hercules-ci/flake-parts";
+    flake-compat.url = "https://flakehub.com/f/edolstra/flake-compat/1.tar.gz";
+    systems.url = "github:nix-systems/default";
+    treefmt-nix.url = "github:numtide/treefmt-nix";
   };
 
   outputs =
-    { self, nixpkgs, ... }@inputs:
+    inputs@{
-
+      self,
-    let
+      crane,
-      supportedSystems = [
+      flake-parts,
-        "x86_64-linux"
+      systems,
+      ...
+    }:
+    flake-parts.lib.mkFlake { inherit inputs; } {
+      systems = import systems;
+      imports = [
+        inputs.treefmt-nix.flakeModule
       ];
-      forAllSystems = nixpkgs.lib.genAttrs supportedSystems;
-      pkgsFor = system: import nixpkgs {
-        inherit system;
-      };
-    in
-    {
-      packages = forAllSystems (system: let
-      pkgs = pkgsFor system;
-      in {
-      default = pkgs.rustPlatform.buildRustPackage rec {
-        name = "librepods";
-        version = "0.1.0";
 
-        doCheck = false;
+      perSystem =
+        {
+          self',
+          pkgs,
+          lib,
+          ...
+        }:
+        let
+          buildInputs =
+            with pkgs;
+            [
+              dbus
+              libpulseaudio
+              alsa-lib
+              bluez
+              # https://github.com/max-privatevoid/iced/blob/master/DEPENDENCIES.md
+              expat
+              fontconfig
+              freetype
+              freetype.dev
+              libGL
+              pkg-config
+              xorg.libX11
+              xorg.libXcursor
+              xorg.libXi
+              xorg.libXrandr
+              wayland
+              libxkbcommon
+              vulkan-loader
+            ]
+            ++ pkgs.lib.optionals pkgs.stdenv.isDarwin [
+              pkgs.libiconv
+            ];
 
-        nativeBuildInputs = with pkgs; [
+          nativeBuildInputs = with pkgs; [
-          pkg-config
+            pkg-config
-          libpulseaudio
+            makeWrapper
-          autoPatchelfHook
+          ];
-          makeWrapper
-        ];
 
-        buildInputs = with pkgs; [
+          craneLib = crane.mkLib pkgs;
-          dbus
+          unfilteredRoot = ./linux-rust/.;
-          libpulseaudio
+          src = lib.fileset.toSource {
-          wayland
+            root = unfilteredRoot;
+            fileset = lib.fileset.unions [
+              # Default files from crane (Rust and cargo files)
+              (craneLib.fileset.commonCargoSources unfilteredRoot)
+              (lib.fileset.maybeMissing ./linux-rust/assets/font)
+            ];
+          };
 
-          # From https://github.com/max-privatevoid/iced/blob/master/DEPENDENCIES.md
+          commonArgs = {
-          expat
+            inherit buildInputs nativeBuildInputs src;
-          fontconfig
+            strictDeps = true;
-          freetype
-          freetype.dev
-          libGL
-          pkg-config
-          xorg.libX11
-          xorg.libXcursor
-          xorg.libXi
-          xorg.libXrandr
-          wayland
-          libxkbcommon
-        ];
 
-        src = ./linux-rust;
+            RUST_BACKTRACE = "1";
-        cargoHash = "sha256-Ebqx+UU2tdygvqvDGjBSxbkmPnkR47/yL3sCVWo54CU=";
+          };
 
-        postFixup = ''
+          librepods = craneLib.buildPackage (
-          wrapProgram $out/bin/librepods --suffix LD_LIBRARY_PATH : ${pkgs.lib.makeLibraryPath buildInputs}
+            commonArgs
-        '';
+            // {
-      };
+              cargoArtifacts = craneLib.buildDepsOnly commonArgs;
-    });
+
-  };
+              doCheck = false;
+
+              # Wrap the binary after build to set runtime library path
+              postInstall = ''
+                wrapProgram $out/bin/librepods \
+                  --prefix LD_LIBRARY_PATH : ${lib.makeLibraryPath buildInputs}
+              '';
+
+              meta = {
+                description = "AirPods liberated from Apple's ecosystem";
+                homepage = "https://github.com/kavishdevar/librepods";
+                license = pkgs.lib.licenses.gpl3Only;
+                maintainers = [ "kavishdevar" ];
+                platforms = pkgs.lib.platforms.unix;
+                mainProgram = "librepods";
+              };
+            }
+          );
+        in
+        {
+          # checks = {
+          #   inherit librepods;
+          # };
+
+          packages.default = librepods;
+          apps.default = {
+            type = "app";
+            program = lib.getExe librepods;
+          };
+
+          devShells.default = craneLib.devShell {
+            name = "librepods-dev";
+            checks = self'.checks;
+
+            # NOTE: cargo and rustc are provided by default.
+            buildInputs =
+              with pkgs;
+              [
+                rust-analyzer
+              ]
+              ++ buildInputs;
+
+            # LD_LIBRARY_PATH = builtins.foldl' (a: b: "${a}:${b}/lib") "${pkgs.vulkan-loader}/lib" buildInputs;
+            LD_LIBRARY_PATH = lib.makeLibraryPath buildInputs;
+          };
+
+          treefmt = {
+            programs.nixfmt.enable = pkgs.lib.meta.availableOn pkgs.stdenv.buildPlatform pkgs.nixfmt-rfc-style.compiler;
+            programs.nixfmt.package = pkgs.nixfmt-rfc-style;
+          };
+        };
+    };
 }

shell.nix

@@ -0,0 +1,12 @@
+(import (
+  let
+    lock = builtins.fromJSON (builtins.readFile ./flake.lock);
+    nodeName = lock.nodes.root.inputs.flake-compat;
+  in
+  fetchTarball {
+    url =
+      lock.nodes.${nodeName}.locked.url
+        or "https://github.com/edolstra/flake-compat/archive/${lock.nodes.${nodeName}.locked.rev}.tar.gz";
+    sha256 = lock.nodes.${nodeName}.locked.narHash;
+  }
+) { src = ./.; }).shellNix