55 lines
1.1 KiB
Nix
55 lines
1.1 KiB
Nix
{ lib }:
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let
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collectNixFiles =
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dir:
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lib.flatten (
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lib.mapAttrsToList (
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name: type:
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let
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path = dir + "/${name}";
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in
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if type == "directory" then
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collectNixFiles path
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else if type == "regular" && lib.hasSuffix ".nix" name then
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[ path ]
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else
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[ ]
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) (builtins.readDir dir)
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);
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uniqueValue =
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value: entries: builtins.length (lib.unique (map value entries)) == builtins.length entries;
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in
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{
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inherit collectNixFiles;
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removeNixSuffix = path: lib.removeSuffix ".nix" (builtins.baseNameOf path);
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registry.predicates.uniqueValue = uniqueValue;
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registry.predicates.uniquePerHost =
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value:
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uniqueValue (entry: {
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inherit (entry) host;
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value = value entry;
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});
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bridgeName = id: "br-vlan${toString id}";
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deriveMac =
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name:
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let
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hash = builtins.hashString "sha256" name;
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in
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lib.concatStringsSep ":" (
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[ "02" ]
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++ map (i: builtins.substring (i * 2) 2 hash) [
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0
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1
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2
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3
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4
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]
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);
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}
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