23 lines
862 B
Nix
23 lines
862 B
Nix
# Autodetects files with a package.nix and calls `callPackage` on them.
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#
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# Will add a package .#dirname to the flake if it finds a ./dirname/package.nix file.
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let
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files = builtins.readDir ./.;
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isPackage = path: type: (type == "directory") && (builtins.readDir path) ? "package.nix";
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toPackage = name: pkgs: {
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inherit name;
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value = pkgs.callPackage (./. + "/${name}/package.nix") { };
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};
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# call pkgs.callPackage on all ./*/package.nix
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makePackage =
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pkgs: name:
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let
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type = files.${name};
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path = ./. + "/${name}";
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package = toPackage name pkgs;
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in
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# if it is a package then return a package otherwise return no package c:
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if isPackage path type then [ package ] else [ ];
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in
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# we have lib.filterMapAttrs at home
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pkgs: builtins.listToAttrs (builtins.concatMap (makePackage pkgs) (builtins.attrNames files))
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