From 1fc16ab33b9b812407df392d74c36c796bc8d358 Mon Sep 17 00:00:00 2001
From: Gabor Greif <gabor@dfinity.org>
Date: Thu, 15 May 2025 09:38:40 +0200
Subject: [PATCH 1/3] chore: added `flake.nix`

build with
```
nix build
```
run like
```
result/bin/ic-repl --help
```
---
 flake.lock | 62 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 flake.nix  | 46 ++++++++++++++++++++++++++++++++++++++++
 2 files changed, 108 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..fd1211c
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,62 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1747179050,
+        "narHash": "sha256-qhFMmDkeJX9KJwr5H32f1r7Prs7XbQWtO0h3V0a0rFY=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "adaa24fbf46737f3f1b5497bf64bae750f82942e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_2": {
+      "locked": {
+        "lastModified": 1744536153,
+        "narHash": "sha256-awS2zRgF4uTwrOKwwiJcByDzDOdo3Q1rPZbiHQg/N38=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "18dd725c29603f582cf1900e0d25f9f1063dbf11",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs",
+        "rust-overlay": "rust-overlay"
+      }
+    },
+    "rust-overlay": {
+      "inputs": {
+        "nixpkgs": "nixpkgs_2"
+      },
+      "locked": {
+        "lastModified": 1747190175,
+        "narHash": "sha256-s33mQ2s5L/2nyllhRTywgECNZyCqyF4MJeM3vG/GaRo=",
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "rev": "58160be7abad81f6f8cb53120d5b88c16e01c06d",
+        "type": "github"
+      },
+      "original": {
+        "owner": "oxalica",
+        "repo": "rust-overlay",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..d4a2faa
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,46 @@
+{
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    rust-overlay.url = "github:oxalica/rust-overlay";
+  };
+
+  outputs = {
+    self,
+    nixpkgs,
+    rust-overlay,
+  }: let
+    system = "aarch64-darwin";
+    pkgs = import nixpkgs {
+      inherit system;
+      overlays = [rust-overlay.overlays.default];
+    };
+    toolchain = pkgs.rust-bin.fromRustupToolchainFile ./rust-toolchain.toml;
+    manifest = (pkgs.lib.importTOML ./Cargo.toml).package;
+  in {
+    devShells.${system}.default = pkgs.mkShell {
+      packages = [
+        toolchain
+      ];
+
+      nativeBuildInputs = [
+        pkgs.clang_19
+        pkgs.cmake
+      ];
+
+      CXXFLAGS_aarch64_apple_darwin = "--target=aarch64-apple-darwin";
+
+    };
+
+    packages.${system}.default = pkgs.rustPlatform.buildRustPackage rec {
+      pname = manifest.name;
+      inherit (manifest) version;
+      cargoLock.lockFile = ./Cargo.lock;
+      src = pkgs.lib.cleanSource ./.;
+      cargoLock = {
+        outputHashes = {
+        };
+      };
+    };
+  };
+}
+

From e44730a5511fb4c2a1f22f19cf7b19511b0ca018 Mon Sep 17 00:00:00 2001
From: Gabor Greif <gabor@dfinity.org>
Date: Thu, 15 May 2025 11:45:46 +0200
Subject: [PATCH 2/3] simplify

---
 flake.nix | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/flake.nix b/flake.nix
index d4a2faa..9b9af4e 100644
--- a/flake.nix
+++ b/flake.nix
@@ -23,8 +23,8 @@
       ];
 
       nativeBuildInputs = [
-        pkgs.clang_19
-        pkgs.cmake
+        #pkgs.clang_19
+        #pkgs.cmake
       ];
 
       CXXFLAGS_aarch64_apple_darwin = "--target=aarch64-apple-darwin";
@@ -36,11 +36,6 @@
       inherit (manifest) version;
       cargoLock.lockFile = ./Cargo.lock;
       src = pkgs.lib.cleanSource ./.;
-      cargoLock = {
-        outputHashes = {
-        };
-      };
     };
   };
 }
-

From 680f450c9ba6fa319f82615c2856022bc37e88c8 Mon Sep 17 00:00:00 2001
From: Gabor Greif <gabor@dfinity.org>
Date: Fri, 16 May 2025 11:18:34 +0200
Subject: [PATCH 3/3] there is no `rust-toolchain.toml` a.t.m., so leave this
 out for now

---
 flake.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/flake.nix b/flake.nix
index 9b9af4e..384ed7a 100644
--- a/flake.nix
+++ b/flake.nix
@@ -14,12 +14,12 @@
       inherit system;
       overlays = [rust-overlay.overlays.default];
     };
-    toolchain = pkgs.rust-bin.fromRustupToolchainFile ./rust-toolchain.toml;
+    #toolchain = pkgs.rust-bin.fromRustupToolchainFile ./rust-toolchain.toml;
     manifest = (pkgs.lib.importTOML ./Cargo.toml).package;
   in {
     devShells.${system}.default = pkgs.mkShell {
       packages = [
-        toolchain
+        #toolchain
       ];
 
       nativeBuildInputs = [