50 lines
1.5 KiB
Nix
50 lines
1.5 KiB
Nix
{ lib, ... }:
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lib.makeExtensible (_: rec {
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mkDate = longDate: lib.concatStringsSep "-" [
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(builtins.substring 0 4 longDate)
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(builtins.substring 4 2 longDate)
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(builtins.substring 6 2 longDate)
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];
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mkVersionSrc = src: "unstable-" + builtins.substring 0 7 src.rev;
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mkVersionInput = input:
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let
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date = mkDate (input.lastModifiedDate or "19700101");
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rev = input.shortRev or "dirty";
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in
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"unstable-${date}_${rev}";
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mapModules = f: dir:
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let
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filterModules = name: type:
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let
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isPublic = !(lib.hasPrefix "_" name);
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isSomething = type != null;
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isModule =
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let
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path = "${toString dir}/${name}";
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isDefault = type == "directory" && builtins.pathExists "${path}/default.nix";
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isFile = type == "regular" && lib.hasSuffix ".nix" name && name != "default.nix";
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in
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isDefault || isFile;
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in
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isPublic && isSomething && isModule;
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modulesInDir = lib.filterAttrs filterModules (builtins.readDir dir);
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mkModule = name: _:
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let
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path = "${toString dir}/${name}";
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normalizedName =
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if name == "default.nix"
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then name
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else lib.removeSuffix ".nix" name;
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in
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lib.nameValuePair normalizedName (f path);
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in
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lib.mapAttrs' mkModule modulesInDir;
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mapModules' = f: dir: lib.attrValues (mapModules f dir);
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listModules = mapModules' (path: path);
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})
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