From 66a1f6833464bbb121b6d94247ad769f277351f8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kier=C3=A1n=20Meinhardt?= <kmein@posteo.de>
Date: Tue, 28 Feb 2023 19:56:32 +0100
Subject: convert to flake

---
 flake.lock       | 42 ++++++++++++++++++++++++++++++++++++++++++
 flake.nix        | 28 ++++++++++++++++++++++++++++
 lib/default.nix  |  3 +--
 pkgs/default.nix |  6 +++---
 4 files changed, 74 insertions(+), 5 deletions(-)
 create mode 100644 flake.lock
 create mode 100644 flake.nix

diff --git a/flake.lock b/flake.lock
new file mode 100644
index 0000000..353d3b9
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,42 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "locked": {
+        "lastModified": 1676283394,
+        "narHash": "sha256-XX2f9c3iySLCw54rJ/CZs+ZK6IQy7GXNY4nSOyu2QG4=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "3db36a8b464d0c4532ba1c7dda728f4576d6d073",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1677608380,
+        "narHash": "sha256-k82O23qBAK+43X0KSBjsMYXG2x4kWWXeAmpPTc2KRGY=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "4aba90e89f6d4ac6138939961f62842bd94ec929",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..265ce00
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,28 @@
+{
+  description = "nix library extension, containing sophisticated script and code generator functions";
+
+  inputs = {
+    flake-utils.url = "github:numtide/flake-utils";
+    nixpkgs.url = "github:NixOS/nixpkgs";
+  };
+
+  outputs = inputs @ {
+    self,
+    nixpkgs,
+    flake-utils,
+  }: let
+    nix-writersOverlay = import ./pkgs;
+  in
+    {
+      overlays = {
+        nix-writers = nix-writersOverlay;
+        default = nix-writersOverlay;
+      };
+    }
+    // flake-utils.lib.eachDefaultSystem (system: let
+      pkgs = import nixpkgs {inherit system;};
+      nix-writers = nix-writersOverlay pkgs pkgs;
+    in {
+      legacyPackages = nix-writers;
+    });
+}
diff --git a/lib/default.nix b/lib/default.nix
index 01d43f7..bf634b6 100644
--- a/lib/default.nix
+++ b/lib/default.nix
@@ -1,3 +1,4 @@
+{ nixpkgs }:
 let {
   body = lib;
 
@@ -19,6 +20,4 @@ let {
     testString = re: x: match re x != null;
     types = nixpkgs.lib.types // import ./types.nix { lib = body; };
   });
-
-  nixpkgs.lib = import <nixpkgs/lib>;
 }
diff --git a/pkgs/default.nix b/pkgs/default.nix
index b0c8638..1c616bb 100644
--- a/pkgs/default.nix
+++ b/pkgs/default.nix
@@ -17,9 +17,9 @@
 # nix-build hello_world.nix.
 #
 
-with import ../lib;
-
-pkgs: oldpkgs: {
+pkgs: oldpkgs:
+with import ../lib { nixpkgs = pkgs; };
+{
   exec = name: { filename, argv ? null, envp ? null, destination ? "" }:
     pkgs.writeC name { inherit destination; } /* c */ ''
       #include <unistd.h>
-- 
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