38 lines
1.2 KiB
Nix
38 lines
1.2 KiB
Nix
{ lib, ... }:
|
|
rec {
|
|
# mapFilterAttrs ::
|
|
# (name -> value -> bool )
|
|
# (name -> value -> { name = any; value = any; })
|
|
# attrs
|
|
mapFilterAttrs = seive: f: attrs:
|
|
lib.filterAttrs
|
|
seive
|
|
(lib.mapAttrs' f attrs);
|
|
|
|
# Generate an attribute set by mapping a function over a list of values.
|
|
genAttrs' = values: f: lib.listToAttrs (map f values);
|
|
|
|
# Convert a list of file paths to attribute set
|
|
# that has the filenames stripped of nix extension as keys
|
|
# and imported content of the file as value.
|
|
#
|
|
pathsToImportedAttrs = paths:
|
|
let
|
|
paths' = lib.filter (lib.hasSuffix ".nix") paths;
|
|
in
|
|
genAttrs' paths' (path: {
|
|
name = lib.removeSuffix ".nix" (baseNameOf path);
|
|
value = import path;
|
|
});
|
|
|
|
concatAttrs = lib.fold (attr: sum: lib.recursiveUpdate sum attr) { };
|
|
|
|
# Filter out packages that support given system and follow flake check requirements
|
|
filterPackages = system: packages:
|
|
let
|
|
# Everything that nix flake check requires for the packages output
|
|
filter = (n: v: with v; let platforms = meta.hydraPlatforms or meta.platforms or [ ]; in
|
|
lib.isDerivation v && !meta.broken && builtins.elem system platforms);
|
|
in
|
|
lib.filterAttrs filter packages;
|
|
}
|