Add setFunctionArgs lib function.

Among other things, this will allow *2nix tools to output plain data
while still being composable with the traditional
callPackage/.override interfaces.

6 files changed, 8 insertions, 8 deletions

diff --git a/pkgs/build-support/emacs/wrapper.nix b/pkgs/build-support/emacs/wrapper.nix
index 27633c912b234..4e780b104b087 100644
--- a/pkgs/build-support/emacs/wrapper.nix
+++ b/pkgs/build-support/emacs/wrapper.nix
@@ -40,7 +40,7 @@ packagesFun: # packages explicitly requested by the user
 
 let
   explicitRequires =
-    if builtins.isFunction packagesFun
+    if lib.isFunction packagesFun
       then packagesFun self
     else packagesFun;
 in
diff --git a/pkgs/development/beam-modules/lib.nix b/pkgs/development/beam-modules/lib.nix
index 26d868a8e7c4f..d6b83cb1af04e 100644
--- a/pkgs/development/beam-modules/lib.nix
+++ b/pkgs/development/beam-modules/lib.nix
@@ -6,8 +6,8 @@ rec {
   */
   callPackageWith = autoArgs: fn: args:
     let
-      f = if builtins.isFunction fn then fn else import fn;
-      auto = builtins.intersectAttrs (builtins.functionArgs f) autoArgs;
+      f = if pkgs.lib.isFunction fn then fn else import fn;
+      auto = builtins.intersectAttrs (stdenv.lib.functionArgs f) autoArgs;
     in f (auto // args);
 
   callPackage = callPackageWith pkgs;
diff --git a/pkgs/development/haskell-modules/make-package-set.nix b/pkgs/development/haskell-modules/make-package-set.nix
index 223f06528879b..0f866a96e71e6 100644
--- a/pkgs/development/haskell-modules/make-package-set.nix
+++ b/pkgs/development/haskell-modules/make-package-set.nix
@@ -81,8 +81,8 @@ let
       # lost on `.override`) but determine the auto-args based on `drv` (the problem here
       # is that nix has no way to "passthrough" args while preserving the reflection
       # info that callPackage uses to determine the arguments).
-      drv = if builtins.isFunction fn then fn else import fn;
-      auto = builtins.intersectAttrs (builtins.functionArgs drv) scope;
+      drv = if stdenv.lib.isFunction fn then fn else import fn;
+      auto = builtins.intersectAttrs (stdenv.lib.functionArgs drv) scope;
 
       # this wraps the `drv` function to add a `overrideScope` function to the result.
       drvScope = allArgs: drv allArgs // {
diff --git a/pkgs/os-specific/darwin/apple-source-releases/default.nix b/pkgs/os-specific/darwin/apple-source-releases/default.nix
index 478f9e7e303f6..cca729016c25b 100644
--- a/pkgs/os-specific/darwin/apple-source-releases/default.nix
+++ b/pkgs/os-specific/darwin/apple-source-releases/default.nix
@@ -186,7 +186,7 @@ let
     # There should be an IOVideo here, but they haven't released it :(
   };
 
-  IOKitSrcs = stdenv.lib.mapAttrs (name: value: if builtins.isFunction value then value name else value) IOKitSpecs;
+  IOKitSrcs = stdenv.lib.mapAttrs (name: value: if stdenv.lib.isFunction value then value name else value) IOKitSpecs;
 
   adv_cmds = applePackage "adv_cmds" "osx-10.5.8" "102ssayxbg9wb35mdmhswbnw0bg7js3pfd8fcbic83c5q3bqa6c6" {};
 
diff --git a/pkgs/top-level/default.nix b/pkgs/top-level/default.nix
index 96d5e1fe28395..9cf9eb4db658a 100644
--- a/pkgs/top-level/default.nix
+++ b/pkgs/top-level/default.nix
@@ -49,7 +49,7 @@ in let
   # { /* the config */ } and
   # { pkgs, ... } : { /* the config */ }
   config =
-    if builtins.isFunction configExpr
+    if lib.isFunction configExpr
     then configExpr { inherit pkgs; }
     else configExpr;
 
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 1820125b0a585..bc3ea1027e7d8 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -40,7 +40,7 @@ let
   makeOverridablePythonPackage = f: origArgs:
     let
       ff = f origArgs;
-      overrideWith = newArgs: origArgs // (if builtins.isFunction newArgs then newArgs origArgs else newArgs);
+      overrideWith = newArgs: origArgs // (if pkgs.lib.isFunction newArgs then newArgs origArgs else newArgs);
     in
       if builtins.isAttrs ff then (ff // {
         overridePythonAttrs = newArgs: makeOverridablePythonPackage f (overrideWith newArgs);