From 6b6eb40b7380b9dd5b756edb2748ab836656af6f Mon Sep 17 00:00:00 2001
From: katelyn martin <katelyn@penumbralabs.xyz>
Date: Tue, 28 May 2024 00:00:00 +0000
Subject: [PATCH] =?UTF-8?q?flake:=20=F0=9F=A5=90=20add=20nix=20development?=
 =?UTF-8?q?=20shell?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 flake.lock | 106 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 flake.nix  |  56 ++++++++++++++++++++++++++++
 2 files changed, 162 insertions(+)
 create mode 100644 flake.lock
 create mode 100644 flake.nix

diff --git a/flake.lock b/flake.lock
new file mode 100644
index 0000000..21eac4f
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,106 @@
+{
+  "nodes": {
+    "crane": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1716745752,
+        "narHash": "sha256-8K1R9Yg4r08rYk86Yq+lu3E9L3uRUb4xMqYHgl0VGS0=",
+        "owner": "ipetkov",
+        "repo": "crane",
+        "rev": "19ca94ec2d288de334ae932107816b4a97736cd8",
+        "type": "github"
+      },
+      "original": {
+        "owner": "ipetkov",
+        "repo": "crane",
+        "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": 1716509168,
+        "narHash": "sha256-4zSIhSRRIoEBwjbPm3YiGtbd8HDWzFxJjw5DYSDy1n8=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "bfb7a882678e518398ce9a31a881538679f6f092",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "crane": "crane",
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs",
+        "rust-overlay": "rust-overlay"
+      }
+    },
+    "rust-overlay": {
+      "inputs": {
+        "flake-utils": [
+          "flake-utils"
+        ],
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1716862669,
+        "narHash": "sha256-7oTPM9lcdwiI1cpRC313B+lHawocgpY5F07N+Rbm5Uk=",
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "rev": "47b2d15658b37716393b2463a019000dbd6ce4bc",
+        "type": "github"
+      },
+      "original": {
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "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
+}
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..1222bac
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,56 @@
+{
+  description = "A nix development shell and build environment for galileo";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    flake-utils.url = "github:numtide/flake-utils";
+    rust-overlay = {
+      url = "github:oxalica/rust-overlay";
+      inputs = {
+        nixpkgs.follows = "nixpkgs";
+        flake-utils.follows = "flake-utils";
+      };
+    };
+    crane = {
+      url = "github:ipetkov/crane";
+      inputs = { nixpkgs.follows = "nixpkgs"; };
+    };
+  };
+
+  outputs = { nixpkgs, flake-utils, rust-overlay, crane, ... }:
+    flake-utils.lib.eachDefaultSystem
+      (system:
+        let
+          # Set up for Rust builds, pinned to the Rust toolchain version in the Penumbra repository
+          overlays = [ (import rust-overlay) ];
+          pkgs = import nixpkgs { inherit system overlays; };
+          rustToolchain = pkgs.rust-bin.fromRustupToolchainFile ./rust-toolchain.toml;
+          craneLib = (crane.mkLib pkgs).overrideToolchain rustToolchain;
+          src = craneLib.cleanCargoSource (craneLib.path ./.);
+          # Important environment variables so that the build can find the necessary libraries
+          PKG_CONFIG_PATH="${pkgs.openssl.dev}/lib/pkgconfig";
+          LIBCLANG_PATH="${pkgs.libclang.lib}/lib";
+        in with pkgs; with pkgs.lib; let
+	galileo = (craneLib.buildPackage {
+            inherit src system PKG_CONFIG_PATH LIBCLANG_PATH;
+            pname = "galileo";
+            version = "0.1.0";
+            nativeBuildInputs = [ pkg-config ];
+            buildInputs = [ clang openssl ];
+	    # A lockfile is not used in this repository.
+            cargoVendorDir = null;
+        }).overrideAttrs (_: { doCheck = false; }); # Disable tests to improve build times
+	in {
+	  inherit galileo;
+	  devShells.default = craneLib.devShell {
+            inherit LIBCLANG_PATH;
+            inputsFrom = [ galileo ];
+            packages = [ cargo-watch cargo-nextest ];
+            shellHook = ''
+              export LIBCLANG_PATH=${LIBCLANG_PATH}
+              export RUST_SRC_PATH=${pkgs.rustPlatform.rustLibSrc} # Required for rust-analyzer
+            '';
+	  };
+	}
+      );
+}