mirror of
https://github.com/numtide/flake-utils.git
synced 2025-03-14 12:48:46 +00:00
c6169a2772
* imp: filterPackages * Update filterPackages.nix * Update filterPackages.nix Co-authored-by: Jonas Chevalier <zimbatm@zimbatm.com>
28 lines
875 B
Nix
28 lines
875 B
Nix
system: packages:
|
|
let
|
|
# Adopted from nixpkgs.lib
|
|
inherit (builtins) listToAttrs concatMap attrName;
|
|
nameValuePair = name: value: { inherit name value; };
|
|
filterAttrs = pred: set:
|
|
listToAttrs (
|
|
concatMap (name:
|
|
let v = set.${name}; in
|
|
if pred name v then [(nameValuePair name v)] else []
|
|
)
|
|
(attrNames set)
|
|
);
|
|
|
|
# Everything that nix flake check requires for the packages output
|
|
sieve = n: v:
|
|
with v;
|
|
let
|
|
inherit (builtins) isAttrs;
|
|
isDerivation = x: isAttrs x && x ? type && x.type == "derivation";
|
|
platforms = meta.hydraPlatforms or meta.platforms or [ ];
|
|
in
|
|
# check for isDerivation, so this is independently useful of
|
|
# flattenTree, which also does filter on derviations
|
|
isDerivation v && !meta.broken && builtins.elem system platforms
|
|
;
|
|
in
|
|
filterAttrs sieve packages
|