From 18ff5e1de5c3edbac6413c8a4fa37aadda59e43e Mon Sep 17 00:00:00 2001
From: Oleks <oleks.kuksenko@gmail.com>
Date: Thu, 12 Mar 2026 19:53:43 +0200
Subject: [PATCH] =?UTF-8?q?Initial=20flake=20hub=20=E2=80=93=20oleks?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 flake.nix                | 33 +++++++++++++++++++++++++++++++++
 packages/hello-world.nix | 23 +++++++++++++++++++++++
 2 files changed, 56 insertions(+)
 create mode 100644 flake.nix
 create mode 100644 packages/hello-world.nix

diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..17fc0c1
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,33 @@
+{
+  description = "oleks's personal Flake hub – a place to publish custom packages and overlays";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+  };
+
+  outputs =
+    { self, nixpkgs, ... }:
+    let
+      system = "x86_64-linux";
+      pkgs = import nixpkgs { inherit system; };
+    in
+    {
+      packages.${system}.hello-world = pkgs.callPackage ./packages/hello-world.nix { };
+
+      overlays.default = final: prev: {
+        hello-world = final.callPackage ./packages/hello-world.nix { };
+      };
+
+      devShells.${system}.default = pkgs.mkShell {
+        name = "oleks-hub-shell";
+        buildInputs = [ self.packages.${system}.hello-world ];
+        nativeBuildInputs = with pkgs; [
+          nix
+          fmt
+        ];
+        shellHook = ''
+          echo "Welcome to the oleks Flake hub development shell."
+        '';
+      };
+    };
+}
diff --git a/packages/hello-world.nix b/packages/hello-world.nix
new file mode 100644
index 0000000..53b8173
--- /dev/null
+++ b/packages/hello-world.nix
@@ -0,0 +1,23 @@
+{ stdenv }:
+
+stdenv.mkDerivation {
+  pname = "hello-world";
+  version = "1.0.0";
+
+  src = builtins.fetchurl {
+    url = "https://raw.githubusercontent.com/NixOS/nixpkgs/master/pkgs/tools/hello/hello.c";
+    sha256 = "1p9sc9h1b6k7bk25n5g0w9gwy6fxlkchr5hpmxczg4bvp6jv93q6";
+  };
+
+  installPhase = ''
+    mkdir -p $out/bin
+    cp $src $out/bin/hello-world
+    chmod +x $out/bin/hello-world
+  '';
+
+  meta = with stdenv.lib; {
+    description = "A tiny hello‑world program used as an example package";
+    license = licenses.bsd2;
+    platforms = platforms.unix;
+  };
+}