From 92cc765580fc16e276c65d6c43ef953de98da725 Mon Sep 17 00:00:00 2001
From: Grey Jones <grey@greyweather.dev>
Date: Sat, 29 Aug 2026 15:07:43 +0100
Subject: [PATCH] initial commit

---
 flake.lock | 27 +++++++++++++++++++++++++++
 flake.nix  | 23 +++++++++++++++++++++++
 2 files changed, 50 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..6020ba5
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,27 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1787736819,
+        "narHash": "sha256-cV5xEJJK3BvhU8rEd4mC9UsmDi5qscv/kzGPhBRC5WA=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "9fbb54b33e91ee4ca368e35a78e0613c720600b3",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..6d2c27e
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,23 @@
+{
+  description = "A flake that provides a set of useful helper functions";
+
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
+  };
+
+  outputs = { self, nixpkgs }: {
+    mkIfElse = with nixpkgs.lib; p: yes: no: mkMerge [
+      (mkIf p yes)
+      (mkIf (!p) no)
+    ];
+
+    mkSymlinkActivationScript = {target, source, isDir ? false}: ''
+      if [ ${if isDir then "-d" else "-f"} ${target} ]; then
+        rm${if isDir then " -rf" else ""} ${target}
+      fi
+      ln -s ${source} ${target}
+    '';
+
+    attrByStrPath = strPath: set: nixpkgs.lib.attrsets.attrByPath (nixpkgs.lib.strings.splitString "." strPath) null set;
+  };
+}