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{ writeTextFile, lib, ... }:
{ name, config, ... }:
with builtins // lib;
let
  sanitize = p:
  let
    safeChars = [ "+" "." "_" "?" "=" ] ++ lowerChars ++ upperChars ++ stringToCharacters "0123456789";
    empties = l: genList (_: "") (length l);
    unsafeInName = stringToCharacters (replaceStrings safeChars (empties safeChars) p;
  in "kobo_" + replaceStrings unsafeInName (empties unsafeInName) p;
in {
  options = {
    enable = mkEnableOption name // { default = true; };
    name = mkOption {
      type = types.str;
    };
    target = mkOption {
      type = types.str;
      default = name;
      apply = x: if isPrefix "/" x then x else "/${x}";
    };
    executable = mkOption {
      type = with types; nullOr bool;
      default = null;
    };
    text = mkOption {
      type = with types; nullOr lines;
      default = null;
    };
    source = mkOption {
      type = types.path;
    };
  };

  config = {
    source = mkIf (cfg.text != null) (mkDefault (writeTextFile {
      inherit (config) text;
      name = sanitieze name;
      executable = config.executable == true;
    }));
  };
}