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lib: Add recurseIntoAttrs

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This makes the function available without having to evaluate the
Nixpkgs fix-point, making it available in a more natural way for
code that deals with multiple Nixpkgs invocations.

Its definition is coupled to Nix rather than Nixpkgs, so it will
feel right at home in lib.
This commit is contained in:
Robert Hensing 2019-09-11 12:57:38 +02:00
parent 0d71e69101
commit 8935bfb4ac
3 changed files with 11 additions and 4 deletions
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6
lib/attrsets.nix
View file

@ -473,6 +473,12 @@ rec {
/* Pick the outputs of packages to place in buildInputs */
chooseDevOutputs = drvs: builtins.map getDev drvs;
/* Make various Nix tools consider the contents of the resulting
attribute set when looking for what to build, find, etc.
*/
recurseIntoAttrs =
attrs: attrs // { recurseForDerivations = true; };
/*** deprecated stuff ***/
zipWithNames = zipAttrsWithNames;

3
lib/default.nix
View file

@ -70,7 +70,8 @@ let
genAttrs isDerivation toDerivation optionalAttrs
zipAttrsWithNames zipAttrsWith zipAttrs recursiveUpdateUntil
recursiveUpdate matchAttrs overrideExisting getOutput getBin
getLib getDev chooseDevOutputs zipWithNames zip;
getLib getDev chooseDevOutputs zipWithNames zip
recurseIntoAttrs;
inherit (lists) singleton forEach foldr fold foldl foldl' imap0 imap1
concatMap flatten remove findSingle findFirst any all count
optional optionals toList range partition zipListsWith zipLists

6
pkgs/top-level/all-packages.nix
View file

@ -62,9 +62,9 @@ in
inherit (lib) lowPrio hiPrio appendToName makeOverridable;
# Applying this to an attribute set will cause nix-env to look
# inside the set for derivations.
recurseIntoAttrs = attrs: attrs // { recurseForDerivations = true; };
# Make various Nix tools consider the contents of the resulting
# attribute set when looking for what to build, find, etc.
inherit (lib) recurseIntoAttrs;
# This is intended to be the reverse of recurseIntoAttrs, as it is
# defined now it exists mainly for documentation purposes, but you