flake-utils/default.nix

27 lines
786 B
Nix

rec {
# copied from <nixpkgs/lib>
genAttrs = names: f:
builtins.listToAttrs (map (n: { name = n; value = f n; }) names);
# The list of systems supported by nixpkgs and hydra
supportedSystems = [
"aarch64-linux"
"i686-linux"
"x86_64-darwin"
"x86_64-linux"
];
# Returns an attribute set with all the supported systems as keys and the
# output of the passed function with each system passed to it.
#
# This is useful in the flake outputs because the outputs return static sets
# that map to the different systems.
#
# Example:
# forAllSupported (x: null)
# > { aarch64-linux = null; i686-linux = null; x86_64-darwin = null;
# > x86_64-linux = null; }
# (system -> attrs) -> attrs
forAllSupported = genAttrs supportedSystems;
}