From 06d85688fdcddf2f3ea1b5a68cf5c2c8d617a172 Mon Sep 17 00:00:00 2001
From: Kristoffer Dalby <kradalby@kradalby.no>
Date: Tue, 8 Mar 2022 17:07:08 +0000
Subject: [PATCH] set version based on git rev

---
 flake.nix | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/flake.nix b/flake.nix
index 75cf973b..89e77eb6 100644
--- a/flake.nix
+++ b/flake.nix
@@ -7,6 +7,9 @@
   };
 
   outputs = { self, nixpkgs, flake-utils, ... }:
+    let
+      headscaleVersion = if (self ? shortRev) then self.shortRev else "dev";
+    in
     {
       overlay = final: prev:
         let
@@ -52,7 +55,7 @@
           headscale =
             pkgs.buildGo117Module rec {
               pname = "headscale";
-              version = "dev";
+              version = headscaleVersion;
               src = pkgs.lib.cleanSource self;
 
               # When updating go.mod or go.sum, a new sha will need to be calculated,
@@ -94,7 +97,7 @@
           # docker load < result
           headscale-docker = pkgs.dockerTools.buildLayeredImage {
             name = "headscale";
-            tag = "latest";
+            tag = headscaleVersion;
             contents = [ pkgs.headscale ];
             config.Entrypoint = [ (pkgs.headscale + "/bin/headscale") ];
           };