lib: eachSystem: optimize hot path by assuming rare --impure usage

2024-12-14 11:47:31 +00:00 · 2024-09-16 15:18:48 +02:00 · 2024-09-16 15:18:48 +02:00 · 58351e4428
commit 58351e4428
parent db82e07bd4
1 changed files with 6 additions and 10 deletions
--- a/lib.nix
+++ b/lib.nix
@ -48,17 +48,13 @@ let
      )
      { }
      (
-        systems
-        ++
+        if
+          !builtins ? currentSystem || builtins.elem builtins.currentSystem systems
+        then
+          systems
+        else
          # Add the current system if the --impure flag is used.
-          (
-            if
-              builtins ? currentSystem && !builtins.elem builtins.currentSystem systems
-            then
-              [ builtins.currentSystem ]
-            else
-              [ ]
-          )
+          systems ++ [ builtins.currentSystem ]
      );

  # eachSystemMap using defaultSystems