feat: add system rev & disallow systems from dirty trees

rafaelsgirao · Jun 15, 2024 · e91baac · e91baac
1 parent f8a62ef
commit e91baac
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diff --git a/flake.nix b/flake.nix
@@ -322,6 +322,8 @@
         };
 
         flake = {
+          #So nix repl can access `self`, through outputs.self
+          inherit self;
 
           nixosConfigurations = mkHosts ./hosts;
           overlays =

diff --git a/modules/core/default.nix b/modules/core/default.nix
@@ -15,7 +15,12 @@ in
   ];
 
 
+  # https://discourse.nixos.org/t/flakes-accessing-selfs-revision/11237/8
+  #                                      system.configurationRevision = toString (self.shortRev or self.dirtyShortRev or "unknown");
+  system.configurationRevision =
+    self.shortRev or (throw "Refusing to build from a dirty Git tree!");
   environment.etc."nixos/system-flake".source = self;
+  environment.etc."nixos/system-revision".text = self.rev;
   rg = {
     enable = true;
     domain = "rafael.ovh";