From 17589430da6b1e626bbdc9bbf785b510ae0bf07e Mon Sep 17 00:00:00 2001
From: Arjen Wiersma <arjen@wiersma.org>
Date: Mon, 17 Jul 2023 23:56:15 +0200
Subject: [PATCH] feat: add nix-shell support

---
 .envrc     |  4 ++++
 .gitignore |  1 +
 flake.lock | 61 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 flake.nix  | 20 ++++++++++++++++++
 4 files changed, 86 insertions(+)
 create mode 100644 .envrc
 create mode 100644 flake.lock
 create mode 100644 flake.nix

diff --git a/.envrc b/.envrc
new file mode 100644
index 0000000..5def8fd
--- /dev/null
+++ b/.envrc
@@ -0,0 +1,4 @@
+if ! has nix_direnv_version || ! nix_direnv_version 2.3.0; then
+    source_url "https://raw.githubusercontent.com/nix-community/nix-direnv/2.3.0/direnvrc" "sha256-Dmd+j63L84wuzgyjITIfSxSD57Tx7v51DMxVZOsiUD8="
+fi
+use flake
diff --git a/.gitignore b/.gitignore
index e6a0d0c..5af4fea 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 /target
 /samples/*.bak
 /lcov.info
+/.direnv/
diff --git a/flake.lock b/flake.lock
new file mode 100644
index 0000000..090aa87
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,61 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1689068808,
+        "narHash": "sha256-6ixXo3wt24N/melDWjq70UuHQLxGV8jZvooRanIHXw0=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "919d646de7be200f3bf08cb76ae1f09402b6f9b4",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1689601424,
+        "narHash": "sha256-WEqoSflQP65MF9O9k+JEkvUXMEoyCatmMAoLOowcEoE=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "d0f2758381caca8b4fb4a6cac61721cc9de06bd9",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    },
+    "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..e755313
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,20 @@
+{
+  description = "A rust development environment for Hed";
+  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+  inputs.flake-utils.url = "github:numtide/flake-utils";
+
+  outputs = { self, nixpkgs, flake-utils }:
+    flake-utils.lib.eachDefaultSystem (system: let
+      pkgs = nixpkgs.legacyPackages.${system};
+    in {
+      devShells.default = pkgs.mkShell {
+        packages = with pkgs; [
+          cargo 
+          rustc
+          rustfmt
+          clippy
+          rust-analyzer  
+        ];
+      };
+    });
+}