init

2026-08-31 09:52:01 +01:00
parent 0d9d960ed4
commit edcb418d64
8 changed files with 3839 additions and 0 deletions
@@ -0,0 +1,106 @@
+{
+  description = "Build a cargo project without extra checks";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+
+    crane.url = "github:ipetkov/crane";
+
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs =
+    {
+      self,
+      nixpkgs,
+      crane,
+      flake-utils,
+      ...
+    }:
+    flake-utils.lib.eachDefaultSystem (
+      system:
+      let
+        pkgs = nixpkgs.legacyPackages.${system};
+
+        craneLib = crane.mkLib pkgs;
+
+        # Runtime/shared libraries required by iced/iced_layershell/winit.
+        # winit dlopens libwayland at runtime, so these must be on
+        # LD_LIBRARY_PATH (see https://github.com/iced-rs/iced/issues/2385).
+        guiLibs = [
+          pkgs.wayland
+          pkgs.wayland-protocols
+          pkgs.libxkbcommon
+          pkgs.vulkan-loader
+          pkgs.libx11
+          pkgs.libxcursor
+          pkgs.libxrandr
+          pkgs.libxi
+          pkgs.libxcb
+        ];
+
+        # Common arguments can be set here to avoid repeating them later
+        # Note: changes here will rebuild all dependency crates
+        commonArgs = {
+          # Exclude build outputs regardless of git state (this repo is not
+          # git-initialized, so cleanCargoSource would otherwise copy target/).
+          src = pkgs.lib.cleanSourceWith {
+            src = ./.;
+            filter = path: type:
+              let
+                base = baseNameOf (toString path);
+              in
+              !(type == "directory" && (base == "target" || base == "result" || base == ".direnv"));
+          };
+          strictDeps = true;
+
+          nativeBuildInputs = [
+            pkgs.pkg-config
+          ];
+
+          buildInputs =
+            guiLibs
+            ++ pkgs.lib.optionals pkgs.stdenv.hostPlatform.isDarwin [
+              # Additional darwin specific inputs can be set here
+              pkgs.libiconv
+            ];
+        };
+
+        my-crate = craneLib.buildPackage (
+          commonArgs
+          // {
+            cargoArtifacts = craneLib.buildDepsOnly commonArgs;
+
+            # Additional environment variables or build phases/hooks can be set
+            # here *without* rebuilding all dependency crates
+            # MY_CUSTOM_VAR = "some value";
+          }
+        );
+      in
+      {
+        checks = {
+          inherit my-crate;
+        };
+
+        packages.default = my-crate;
+
+        apps.default = flake-utils.lib.mkApp {
+          drv = my-crate;
+        };
+
+        devShells.default = craneLib.devShell {
+          # Inherit inputs from checks.
+          checks = self.checks.${system};
+
+          # Put the GUI shared libraries on the runtime library path so winit
+          # can dlopen libwayland and wgpu can find the vulkan loader.
+          shellHook = ''
+            export LD_LIBRARY_PATH="$LD_LIBRARY_PATH:${pkgs.lib.makeLibraryPath guiLibs}"
+          '';
+
+          # Extra inputs can be added here; cargo and rustc are provided by default.
+          packages = guiLibs;
+        };
+      }
+    );
+}