46 lines
1.2 KiB
Nix
46 lines
1.2 KiB
Nix
let
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nixpkgs-lib = import <nixpkgs/lib>;
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lib = with lib; nixpkgs-lib // builtins // {
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git = import ./git.nix { inherit lib; };
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shell = import ./shell.nix { inherit lib; };
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types = nixpkgs-lib.types // import ./types.nix { inherit lib; };
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eq = x: y: x == y;
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ne = x: y: x != y;
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mod = x: y: x - y * (x / y);
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genid = import ./genid.nix { inherit lib; };
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genid_signed = x: ((lib.genid x) + 16777216) / 2;
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lpad = n: c: s:
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if lib.stringLength s < n
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then lib.lpad n c (c + s)
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else s;
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subdirsOf = path:
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lib.mapAttrs (name: _: path + "/${name}")
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(filterAttrs (_: eq "directory") (readDir path));
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genAttrs' = names: f: listToAttrs (map f names);
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getAttrs = names: set:
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listToAttrs (map (name: nameValuePair name set.${name})
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(filter (flip hasAttr set) names));
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setAttr = name: value: set: set // { ${name} = value; };
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toC = x: let
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type = typeOf x;
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reject = throw "cannot convert ${type}";
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in {
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list = "{ ${concatStringsSep ", " (map toC x)} }";
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null = "NULL";
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set = if isDerivation x then toJSON x else reject;
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string = toJSON x; # close enough
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}.${type} or reject;
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};
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in
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lib
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