diff options
Diffstat (limited to 'pkgs/lib/customisation.nix')
| -rw-r--r-- | pkgs/lib/customisation.nix | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/pkgs/lib/customisation.nix b/pkgs/lib/customisation.nix index 7b4b390cbef..f97b494ae92 100644 --- a/pkgs/lib/customisation.nix +++ b/pkgs/lib/customisation.nix @@ -49,13 +49,17 @@ rec { # let d = makeOverridable stdenv.mkDerivation { name = ..; buildInputs; } # noBuildInputs = d.override { buildInputs = []; } # additionalBuildInputs = d.override ( args : args // { buildInputs = args.buildInputs ++ [ additional ]; } ) - makeOverridable = f: origArgs: f origArgs // - { override = newArgs: - makeOverridable f (origArgs // (if builtins.isFunction newArgs then newArgs origArgs else newArgs)); - deepOverride = newArgs: - makeOverridable f (lib.overrideExisting (lib.mapAttrs (deepOverrider newArgs) origArgs) newArgs); - origArgs = origArgs; - }; + makeOverridable = f: origArgs: + let + ff = f origArgs; + in + if builtins.isAttrs ff then (ff // + { override = newArgs: + makeOverridable f (origArgs // (if builtins.isFunction newArgs then newArgs origArgs else newArgs)); + deepOverride = newArgs: + makeOverridable f (lib.overrideExisting (lib.mapAttrs (deepOverrider newArgs) origArgs) newArgs); + }) + else ff; deepOverrider = newArgs: name: x: if builtins.isAttrs x then ( if x ? deepOverride then (x.deepOverride newArgs) else |