nix: add files

.github/workflows/nix-build.yaml

@@ -0,0 +1,21 @@
+name: Build xdph (Nix)
+
+on: [push, pull_request, workflow_dispatch]
+jobs:
+  nix:
+    name: "Build"
+    runs-on: ubuntu-latest
+    steps:
+    - name: Clone repository
+      uses: actions/checkout@v3
+      with:
+        submodules: recursive
+    - name: Install nix
+      uses: cachix/install-nix-action@v17
+      with:
+        install_url: https://releases.nixos.org/nix/nix-2.10.3/install
+        extra_nix_config: |
+          auto-optimise-store = true
+          experimental-features = nix-command flakes
+    - name: Build xdg-desktop-portal-hyprland
+      run: nix build --print-build-logs

flake.lock

@@ -0,0 +1,27 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1669969257,
+        "narHash": "sha256-mOS13sK3v+kfgP+1Mh56ohiG8uVhLHAo7m/q9kqAehc=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "b72b8b94cf0c012b0252a9100a636cad69696666",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -0,0 +1,35 @@
+{
+  description = "xdg-desktop-portal-hyprland";
+
+  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+
+  outputs = {
+    self,
+    nixpkgs,
+    ...
+  }: let
+    inherit (nixpkgs) lib;
+    genSystems = lib.genAttrs [
+      "aarch64-linux"
+      "x86_64-linux"
+    ];
+    pkgsFor = nixpkgs.legacyPackages;
+    mkDate = longDate: (lib.concatStringsSep "-" [
+      (builtins.substring 0 4 longDate)
+      (builtins.substring 4 2 longDate)
+      (builtins.substring 6 2 longDate)
+    ]);
+  in {
+    overlays.default = _: prev: {
+      xdg-desktop-portal-hyprland = prev.callPackage ./nix/default.nix {
+        version = "0.pre" + "+date=" + (mkDate (self.lastModifiedDate or "19700101")) + "_" + (self.shortRev or "dirty");
+      };
+    };
+
+    packages = genSystems (system:
+      (self.overlays.default null pkgsFor.${system})
+      // {default = self.packages.${system}.xdg-desktop-portal-hyprland;});
+
+    formatter = genSystems (system: pkgsFor.${system}.alejandra);
+  };
+}

nix/default.nix

@@ -0,0 +1,48 @@
+{
+  lib,
+  stdenv,
+  fetchpatch,
+  makeWrapper,
+  meson,
+  ninja,
+  pkg-config,
+  wayland-protocols,
+  wayland-scanner,
+  grim,
+  inih,
+  libdrm,
+  mesa,
+  pipewire,
+  slurp,
+  systemd,
+  wayland,
+  src,
+  version ? "git",
+}:
+stdenv.mkDerivation {
+  pname = "xdg-desktop-portal-hyprland";
+  inherit version;
+
+  src = ../.;
+
+  strictDeps = true;
+  depsBuildBuild = [pkg-config];
+  nativeBuildInputs = [meson ninja pkg-config wayland-scanner makeWrapper];
+  buildInputs = [inih libdrm mesa pipewire systemd wayland wayland-protocols];
+
+  mesonFlags = [
+    "-Dsd-bus-provider=libsystemd"
+  ];
+
+  postInstall = ''
+    wrapProgram $out/libexec/xdg-desktop-portal-hyprland --prefix PATH ":" ${lib.makeBinPath [grim slurp]}
+  '';
+
+  meta = with lib; {
+    homepage = "https://github.com/emersion/xdg-desktop-portal-hyprland";
+    description = "xdg-desktop-portal backend for Hyprland";
+    maintainers = with maintainers; [fufexan];
+    platforms = platforms.linux;
+    license = licenses.mit;
+  };
+}