From d5121dedaded2cd96e2b361621725d7a0ecedb19 Mon Sep 17 00:00:00 2001
From: Jari Vetoniemi <jari.vetoniemi@cloudef.pw>
Date: Tue, 11 Oct 2022 14:48:24 +0900
Subject: [PATCH] nix: use pname and add generated version

---
 darwin.nix | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/darwin.nix b/darwin.nix
index 8d0b7f8..9b1f283 100644
--- a/darwin.nix
+++ b/darwin.nix
@@ -1,8 +1,15 @@
 { pkgs ? import <nixpkgs> {} }:
 
-pkgs.stdenv.mkDerivation rec {
-  name = "bemenu";
-  src = ./.;
+let
+  src = pkgs.copyPathToStore ./.;
+  semver = builtins.readFile "${src}/VERSION";
+  revision = builtins.readFile (pkgs.runCommand "get-rev" {
+    nativeBuildInputs = with pkgs; [ git ];
+  } "GIT_DIR=${src}/.git git rev-parse --short HEAD | tr -d '\n' > $out");
+in pkgs.stdenv.mkDerivation rec {
+  inherit src;
+  pname = "bemenu";
+  version = "${semver}${revision}";
   nativeBuildInputs = with pkgs; [ pkg-config scdoc ];
   buildInputs = with pkgs; [ ncurses ];