trivial-builders/applyPatches: carry `meta` information to the patched source

There is no reason to not carry licenses and other information to any patched source.

This should improve our metadata in those situations.

1 files changed, 6 insertions, 2 deletions

diff --git a/pkgs/build-support/trivial-builders/default.nix b/pkgs/build-support/trivial-builders/default.nix
index 7c4d204df4074..0b6bc4b612965 100644
--- a/pkgs/build-support/trivial-builders/default.nix
+++ b/pkgs/build-support/trivial-builders/default.nix
@@ -905,13 +905,17 @@ rec {
              ) + "-patched"
     , patches   ? []
     , postPatch ? ""
-    }: stdenvNoCC.mkDerivation {
+    , ...
+    }@args: stdenvNoCC.mkDerivation {
       inherit name src patches postPatch;
       preferLocalBuild = true;
       allowSubstitutes = false;
       phases = "unpackPhase patchPhase installPhase";
       installPhase = "cp -R ./ $out";
-    };
+    }
+    # Carry `meta` information from the underlying `src` if present.
+    // (optionalAttrs (builtins.hasAttr "meta" src) src.meta)
+    // (removeAttrs args [ "src" "name" "patches" "postPatch" ]);
 
   /* An immutable file in the store with a length of 0 bytes. */
   emptyFile = runCommand "empty-file" {