From c4729affcc57f61bfb775bb6696efbbd7c7917c6 Mon Sep 17 00:00:00 2001
From: Patrick McLaughlin <patrickmclaughlin@bitgo.com>
Date: Wed, 11 May 2022 14:05:40 -0400
Subject: [PATCH] feat(nix): use flake

---
 flake.lock | 59 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 flake.nix  | 33 ++++++++++++++++++++++++++++++
 shell.nix  | 24 +++++++++-------------
 3 files changed, 102 insertions(+), 14 deletions(-)
 create mode 100644 flake.lock
 create mode 100644 flake.nix

diff --git a/flake.lock b/flake.lock
new file mode 100644
index 00000000..96a20eb7
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,59 @@
+{
+  "nodes": {
+    "flake-compat": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1650374568,
+        "narHash": "sha256-Z+s0J8/r907g149rllvwhb4pKi8Wam5ij0st8PwAh+E=",
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "rev": "b4a34015c698c7793d592d66adbab377907a2be8",
+        "type": "github"
+      },
+      "original": {
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "type": "github"
+      }
+    },
+    "flake-utils": {
+      "locked": {
+        "lastModified": 1649676176,
+        "narHash": "sha256-OWKJratjt2RW151VUlJPRALb7OU2S5s+f0vLj4o1bHM=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "a4b154ebbdc88c8498a5c7b01589addc9e9cb678",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1652290453,
+        "narHash": "sha256-0iXRvx7DP/HIKd5h7b7Y1+JffoDDRCwz4WTVYfsltrs=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "e680b5cf74e550508f1e2be2fcfdee688bbd3b74",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-compat": "flake-compat",
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 00000000..05007cad
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,33 @@
+{
+  description = "api-ts";
+
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs";
+    flake-utils.url = "github:numtide/flake-utils";
+    flake-compat = {
+      url = "github:edolstra/flake-compat";
+      flake = false;
+    };
+  };
+
+  outputs = { self, nixpkgs, flake-utils, flake-compat }:
+    flake-utils.lib.eachDefaultSystem
+      (system:
+        let
+          pkgs = nixpkgs.legacyPackages.${system};
+        in {
+          devShell = pkgs.mkShell {
+            name = "api-ts-shell";
+
+            packages = with pkgs; [
+              nodejs-16_x
+              go
+            ];
+
+            shellHook = ''
+              export PATH="$(pwd)/node_modules/.bin:$PATH"
+            '';
+          };
+        }
+      );
+}
diff --git a/shell.nix b/shell.nix
index 3c0a9cab..6234bb4d 100644
--- a/shell.nix
+++ b/shell.nix
@@ -1,14 +1,10 @@
-{ pkgs ? import <nixpkgs> {} }:
-
-let
-  PROJECT_ROOT=builtins.toString ./.;
-
-in pkgs.mkShell {
-  packages = with pkgs; [
-    nodejs-16_x
-  ];
-
-  shellHook = with pkgs; ''
-    export PATH="${PROJECT_ROOT}/node_modules/.bin:$PATH"
-  '';
-}
+(import
+  (
+    let lock = builtins.fromJSON (builtins.readFile ./flake.lock); in
+    fetchTarball {
+      url = "https://github.com/edolstra/flake-compat/archive/${lock.nodes.flake-compat.locked.rev}.tar.gz";
+      sha256 = lock.nodes.flake-compat.locked.narHash;
+    }
+  )
+  { src = ./.; }
+).shellNix