From f2c153c09b1a881a46f13eb22e6b17f32f7a2fde Mon Sep 17 00:00:00 2001
From: Mihai Fufezan <mihai@fufexan.net>
Date: Sat, 21 Dec 2024 23:20:38 +0200
Subject: [PATCH] nix: pass commit info to cmake

---
 flake.nix        | 2 +-
 nix/default.nix  | 6 ++++++
 nix/overlays.nix | 2 ++
 3 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/flake.nix b/flake.nix
index 17e7b8d..7a75f43 100644
--- a/flake.nix
+++ b/flake.nix
@@ -40,7 +40,7 @@
         overlays = with self.overlays; [default];
       });
   in {
-    overlays = import ./nix/overlays.nix {inherit inputs lib;};
+    overlays = import ./nix/overlays.nix {inherit inputs lib self;};
 
     packages = eachSystem (system: {
       default = self.packages.${system}.hyprlock;
diff --git a/nix/default.nix b/nix/default.nix
index 9b31c58..08b9f99 100644
--- a/nix/default.nix
+++ b/nix/default.nix
@@ -22,6 +22,7 @@
   wayland-protocols,
   wayland-scanner,
   version ? "git",
+  shortRev ? "",
 }:
 stdenv.mkDerivation {
   pname = "hyprlock";
@@ -55,6 +56,11 @@ stdenv.mkDerivation {
     wayland-protocols
   ];
 
+  cmakeFlags = lib.mapAttrsToList lib.cmakeFeature {
+    HYPRLOCK_COMMIT = shortRev;
+    HYPRLOCK_VERSION_COMMIT = shortRev;
+  };
+
   meta = {
     homepage = "https://github.com/hyprwm/hyprlock";
     description = "A gpu-accelerated screen lock for Hyprland";
diff --git a/nix/overlays.nix b/nix/overlays.nix
index 1535e61..512866f 100644
--- a/nix/overlays.nix
+++ b/nix/overlays.nix
@@ -1,6 +1,7 @@
 {
   lib,
   inputs,
+  self,
 }: let
   mkDate = longDate: (lib.concatStringsSep "-" [
     (builtins.substring 0 4 longDate)
@@ -22,6 +23,7 @@ in {
         stdenv = prev.gcc14Stdenv;
         version = version + "+date=" + (mkDate (inputs.self.lastModifiedDate or "19700101")) + "_" + (inputs.self.shortRev or "dirty");
         inherit (final) hyprlang;
+        shortRev = self.sourceInfo.shortRev or "dirty";
       };
     })
   ];