From 58e435c47574f6805ff9b14964facc56d74367b6 Mon Sep 17 00:00:00 2001
From: jmug <u.g.a.mariano@gmail.com>
Date: Fri, 24 Jan 2025 16:51:51 -0800
Subject: [PATCH] Add a flake with OCaml 4.14.1

Signed-off-by: jmug <u.g.a.mariano@gmail.com>
---
 .envrc     |  1 +
 flake.lock | 81 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 flake.nix  | 30 ++++++++++++++++++++
 3 files changed, 112 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..3550a30
--- /dev/null
+++ b/.envrc
@@ -0,0 +1 @@
+use flake
diff --git a/flake.lock b/flake.lock
new file mode 100644
index 0000000..d5fef71
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,81 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "inputs": {
+        "systems": [
+          "systems"
+        ]
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1737761447,
+        "narHash": "sha256-iF7lFu65s358zskK12Zd8mY68mU8EdEKfEyflvsC94U=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "8827312350044725e010d9fe11dc50869f1c64f8",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "release-24.11",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs-ocaml": {
+      "locked": {
+        "lastModified": 1705204527,
+        "narHash": "sha256-WVz9WdaFBhAwO/7A+HlW8HPJ4VQ8QnpCD1WZAcAPneo=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "dd5621df6dcb90122b50da5ec31c411a0de3e538",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "dd5621df6dcb90122b50da5ec31c411a0de3e538",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs",
+        "nixpkgs-ocaml": "nixpkgs-ocaml",
+        "systems": "systems"
+      }
+    },
+    "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..3e5ea25
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,30 @@
+{
+  description = "flake for OCaml dev";
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/release-24.11";
+    nixpkgs-ocaml.url = "github:NixOS/nixpkgs/dd5621df6dcb90122b50da5ec31c411a0de3e538"; # OCaml 4.14.1
+    systems.url = "github:nix-systems/default";
+    flake-utils = {
+      url = "github:numtide/flake-utils";
+      inputs.systems.follows = "systems";
+    };
+  };
+
+  outputs =
+    { nixpkgs, nixpkgs-ocaml, flake-utils, ... }:
+    flake-utils.lib.eachDefaultSystem (
+      system:
+      let
+        pkgs = nixpkgs.legacyPackages.${system};
+        ocaml-pkgs = nixpkgs-ocaml.legacyPackages.${system};
+      in
+      {
+        devShells.default = pkgs.mkShell {
+          packages = with pkgs; [
+            ocaml-pkgs.ocaml
+          ];
+        };
+      }
+    );
+}
+