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Added callPackageWithSelfWith and callPackageWithSelf

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This commit is contained in:
Will Fancher 2017-07-11 22:27:05 -04:00
parent 927c4f83d8
commit af479c182f
2 changed files with 13 additions and 0 deletions
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9
lib/customisation.nix
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@ -183,6 +183,15 @@ rec {
auto = builtins.intersectAttrs (builtins.functionArgs f) autoArgs;
in makeOverridable f (auto // args);
# Like `callPackageWith`, but provides the function with the `self`
# argument. `fn` is called with the new `self` whenever an override
# or extension is added.
callPackageWithSelfWith = autoArgs: fn: args:
let
f = if builtins.isFunction fn then fn else import fn;
auto = builtins.intersectAttrs (builtins.functionArgs f) autoArgs;
in makeOverridableWithSelf f (auto // args);
/* Like callPackage, but for a function that returns an attribute
set of derivations. The override function is added to the

4
pkgs/top-level/splice.nix
View File

@ -79,7 +79,11 @@ in
# `newScope' for sets of packages in `pkgs' (see e.g. `gnome' below).
callPackage = pkgs.newScope {};
callPackageWithSelf = pkgs.newScopeWithSelf {};
callPackages = lib.callPackagesWith splicedPackages;
newScope = extra: lib.callPackageWith (splicedPackages // extra);
newScopeWithSelf = extra: lib.callPackageWithSelfWith (splicedPackages // extra);
}