From 73c6651baff2a727aa13ba19fdb194db340b4fae Mon Sep 17 00:00:00 2001
From: Mihai Fufezan <mihai@fufexan.net>
Date: Tue, 26 Nov 2024 13:57:40 +0200
Subject: [PATCH] Nix: init

---
 flake.lock      | 67 ++++++++++++++++++++++++++++++++++++++++++++++
 flake.nix       | 57 ++++++++++++++++++++++++++++++++++++++++
 nix/default.nix | 70 +++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 194 insertions(+)
 create mode 100644 flake.lock
 create mode 100644 flake.nix
 create mode 100644 nix/default.nix

diff --git a/flake.lock b/flake.lock
new file mode 100644
index 0000000..26957e2
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,67 @@
+{
+  "nodes": {
+    "hyprutils": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ],
+        "systems": [
+          "systems"
+        ]
+      },
+      "locked": {
+        "lastModified": 1732288281,
+        "narHash": "sha256-XTU9B53IjGeJiJ7LstOhuxcRjCOFkQFl01H78sT9Lg4=",
+        "owner": "hyprwm",
+        "repo": "hyprutils",
+        "rev": "b26f33cc1c8a7fd5076e19e2cce3f062dca6351c",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hyprwm",
+        "repo": "hyprutils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1732014248,
+        "narHash": "sha256-y/MEyuJ5oBWrWAic/14LaIr/u5E0wRVzyYsouYY3W6w=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "23e89b7da85c3640bbc2173fe04f4bd114342367",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "hyprutils": "hyprutils",
+        "nixpkgs": "nixpkgs",
+        "systems": "systems"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1689347949,
+        "narHash": "sha256-12tWmuL2zgBgZkdoB6qXZsgJEH9LR3oUgpaQq2RbI80=",
+        "owner": "nix-systems",
+        "repo": "default-linux",
+        "rev": "31732fcf5e8fea42e59c2488ad31a0e651500f68",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default-linux",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..6892d47
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,57 @@
+{
+  description = "Small C++ library with graphics / resource related utilities used across the hypr* ecosystem";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    systems.url = "github:nix-systems/default-linux";
+
+    hyprutils = {
+      url = "github:hyprwm/hyprutils";
+      inputs.nixpkgs.follows = "nixpkgs";
+      inputs.systems.follows = "systems";
+    };
+  };
+
+  outputs = {
+    self,
+    nixpkgs,
+    systems,
+    ...
+  } @ inputs: let
+    inherit (nixpkgs) lib;
+    eachSystem = lib.genAttrs (import systems);
+    pkgsFor = eachSystem (system:
+      import nixpkgs {
+        localSystem.system = system;
+        overlays = with self.overlays; [hyprgraphics];
+      });
+    mkDate = longDate: (lib.concatStringsSep "-" [
+      (builtins.substring 0 4 longDate)
+      (builtins.substring 4 2 longDate)
+      (builtins.substring 6 2 longDate)
+    ]);
+
+    version = lib.removeSuffix "\n" (builtins.readFile ./VERSION);
+  in {
+    overlays = {
+      default = self.overlays.hyprgraphics;
+      hyprgraphics = lib.composeManyExtensions [
+        inputs.hyprutils.overlays.default
+        (final: prev: {
+          hyprgraphics = final.callPackage ./nix/default.nix {
+            stdenv = final.gcc14Stdenv;
+            version = version + "+date=" + (mkDate (self.lastModifiedDate or "19700101")) + "_" + (self.shortRev or "dirty");
+          };
+          hyprgraphics-with-tests = final.hyprgraphics.override {doCheck = true;};
+        })
+      ];
+    };
+
+    packages = eachSystem (system: {
+      default = self.packages.${system}.hyprgraphics;
+      inherit (pkgsFor.${system}) hyprgraphics hyprgraphics-with-tests;
+    });
+
+    formatter = eachSystem (system: pkgsFor.${system}.alejandra);
+  };
+}
diff --git a/nix/default.nix b/nix/default.nix
new file mode 100644
index 0000000..3495368
--- /dev/null
+++ b/nix/default.nix
@@ -0,0 +1,70 @@
+{
+  lib,
+  stdenv,
+  stdenvAdapters,
+  cmake,
+  pkg-config,
+  cairo,
+  file,
+  hyprutils,
+  libjpeg,
+  libjxl,
+  libwebp,
+  pixman,
+  version ? "git",
+  doCheck ? false,
+  debug ? false,
+}: let
+  inherit (builtins) foldl';
+  inherit (lib.lists) flatten;
+  inherit (lib.sources) cleanSource cleanSourceWith;
+  inherit (lib.strings) hasSuffix;
+
+  adapters = flatten [
+    stdenvAdapters.useMoldLinker
+    (lib.optional debug stdenvAdapters.keepDebugInfo)
+  ];
+
+  customStdenv = foldl' (acc: adapter: adapter acc) stdenv adapters;
+in
+  customStdenv.mkDerivation {
+    pname = "hyprgraphics";
+    inherit version doCheck;
+
+    src = cleanSourceWith {
+      filter = name: _type: let
+        baseName = baseNameOf (toString name);
+      in
+        ! (hasSuffix ".nix" baseName);
+      src = cleanSource ../.;
+    };
+
+    nativeBuildInputs = [
+      cmake
+      pkg-config
+    ];
+
+    buildInputs = [
+      cairo
+      file
+      hyprutils
+      libjpeg
+      libjxl
+      libwebp
+      pixman
+    ];
+
+    outputs = ["out" "dev"];
+
+    cmakeBuildType =
+      if debug
+      then "Debug"
+      else "RelWithDebInfo";
+
+    meta = with lib; {
+      homepage = "https://github.com/hyprwm/hyprgraphics";
+      description = "Small C++ library with graphics / resource related utilities used across the hypr* ecosystem";
+      license = licenses.bsd3;
+      platforms = platforms.linux;
+    };
+  }