diff options
-rw-r--r-- | pkgs/build-support/trivial-builders/default.nix | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/pkgs/build-support/trivial-builders/default.nix b/pkgs/build-support/trivial-builders/default.nix index d3cb22a1f5351..2af36008c7a51 100644 --- a/pkgs/build-support/trivial-builders/default.nix +++ b/pkgs/build-support/trivial-builders/default.nix @@ -87,6 +87,10 @@ rec { inherit buildCommand name; passAsFile = [ "buildCommand" ] ++ (derivationArgs.passAsFile or []); + pos = let args = builtins.attrNames derivationArgs; in + if builtins.length args > 0 + then builtins.unsafeGetAttrPos (builtins.head args) derivationArgs + else null; } // (lib.optionalAttrs runLocal { preferLocalBuild = true; |