init

.envrc

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

.gitignore

@@ -0,0 +1,3 @@
+/target
+result*
+.direnv

Cargo.toml

@@ -0,0 +1,21 @@
+[package]
+name = "quick-start-simple"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+bevy = { version = "0.13.0", features = ["dynamic_linking"] }
+
+# Enable a small amount of optimization in debug mode
+[profile.dev]
+opt-level = 1
+
+# Enable high optimizations for dependencies (incl. Bevy), but not for our code:
+[profile.dev.package."*"]
+opt-level = 3
+
+[target.x86_64-unknown-linux-gnu]
+linker = "clang"
+rustflags = ["-C", "link-arg=-fuse-ld=/usr/bin/mold"]

flake.lock

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+{
+  "nodes": {
+    "crane": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1713979152,
+        "narHash": "sha256-apdecPuh8SOQnkEET/kW/UcfjCRb8JbV5BKjoH+DcP4=",
+        "owner": "ipetkov",
+        "repo": "crane",
+        "rev": "a5eca68a2cf11adb32787fc141cddd29ac8eb79c",
+        "type": "github"
+      },
+      "original": {
+        "owner": "ipetkov",
+        "repo": "crane",
+        "type": "github"
+      }
+    },
+    "fenix": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ],
+        "rust-analyzer-src": "rust-analyzer-src"
+      },
+      "locked": {
+        "lastModified": 1714026264,
+        "narHash": "sha256-rIRsxOZ/eUnWVHfbJlXXQtYriPICFgHGyao5jxm1FMQ=",
+        "owner": "nix-community",
+        "repo": "fenix",
+        "rev": "4e14e4f21fbd7afae40a492b7d937cbf16f76b11",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "fenix",
+        "type": "github"
+      }
+    },
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1710146030,
+        "narHash": "sha256-SZ5L6eA7HJ/nmkzGG7/ISclqe6oZdOZTNoesiInkXPQ=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "b1d9ab70662946ef0850d488da1c9019f3a9752a",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1714058985,
+        "narHash": "sha256-gD/Ya/oXic+vbQGvmqxm8qaWmOx3HnrKHQtSL6oRW0E=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "bf182c39d9439811484aad0d241ea89619b44bc7",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "crane": "crane",
+        "fenix": "fenix",
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    },
+    "rust-analyzer-src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1713944769,
+        "narHash": "sha256-CmR7q1UAgW9OaJaahz3gCzzUY4ROvVI92xjfSp9xot4=",
+        "owner": "rust-lang",
+        "repo": "rust-analyzer",
+        "rev": "73a427588a787847fb0e9547d7615200587165db",
+        "type": "github"
+      },
+      "original": {
+        "owner": "rust-lang",
+        "ref": "nightly",
+        "repo": "rust-analyzer",
+        "type": "github"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

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+{
+  description = "Build a cargo project without extra checks";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+
+    crane = {
+      url = "github:ipetkov/crane";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+    fenix = {
+      url = "github:nix-community/fenix";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs = {
+    self,
+    nixpkgs,
+    crane,
+    fenix,
+    flake-utils,
+    ...
+  }:
+    flake-utils.lib.eachDefaultSystem (system: let
+      pkgs = nixpkgs.legacyPackages.${system};
+
+      craneLib = crane.lib.${system};
+      rs-toolchain = with fenix.packages.${system};
+        combine [
+          default.toolchain
+          rust-analyzer
+        ];
+      my-crate = craneLib.buildPackage {
+        src = craneLib.cleanCargoSource (craneLib.path ./.);
+        strictDeps = true;
+
+        buildInputs =
+          [
+            # Add additional build inputs here
+          ]
+          ++ pkgs.lib.optionals pkgs.stdenv.isDarwin [
+            # Additional darwin specific inputs can be set here
+            pkgs.libiconv
+          ];
+
+        # Additional environment variables can be set directly
+        # MY_CUSTOM_VAR = "some value";
+      };
+    in {
+      packages.default = my-crate;
+
+      apps.default = flake-utils.lib.mkApp {
+        drv = my-crate;
+      };
+
+      devShells.default = pkgs.mkShell {
+        buildInputs = with pkgs; [
+          pkg-config
+          rs-toolchain
+          udev
+          alsa-lib
+          vulkan-loader
+          xorg.libX11
+          xorg.libXcursor
+          xorg.libXi
+          xorg.libXrandr # To use the x11 feature
+          libxkbcommon
+          mold-wrapped
+          clang_multi
+        ];
+      };
+    });
+}

src/main.rs

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+use bevy::prelude::*;
+
+fn main() {
+    App::new().run();
+}