niveum/lib/panoptikon.nix

{
  pkgs,
  lib,
  ...
}:
{
  # watcher scripts
  url =
    address:
    pkgs.writers.writeDash "watch-url" ''
      ${pkgs.curl}/bin/curl -sSL ${lib.escapeShellArg address} \
        | ${pkgs.python3Packages.html2text}/bin/html2text --decode-errors=ignore
    '';
  urlSelector =
    selector: address:
    pkgs.writers.writeDash "watch-url-selector" ''
      ${pkgs.curl}/bin/curl -sSL ${lib.escapeShellArg address} \
        | ${pkgs.htmlq}/bin/htmlq ${lib.escapeShellArg selector} \
        | ${pkgs.python3Packages.html2text}/bin/html2text
    '';
  urlJSON =
    {
      jqScript ? ".",
    }:
    address:
    pkgs.writers.writeDash "watch-url-json" ''
      ${pkgs.curl}/bin/curl -sSL ${lib.escapeShellArg address} | ${pkgs.jq}/bin/jq -f ${pkgs.writeText "script.jq" jqScript}
    '';

  # reporter scripts
  kpaste-irc =
    {
      target,
      retiolumLink ? false,
      server ? "irc.r",
      messagePrefix ? "change detected: ",
      nick ? ''"$PANOPTIKON_WATCHER"-watcher'',
    }:
    pkgs.writers.writeDash "kpaste-irc-reporter" ''
      KPASTE_CONTENT_TYPE=text/plain ${pkgs.kpaste}/bin/kpaste \
        | ${pkgs.gnused}/bin/sed -n "${if retiolumLink then "2" else "3"}s/^/${messagePrefix}/p" \
        | ${pkgs.nur.repos.mic92.ircsink}/bin/ircsink \
          --nick ${nick} \
          --server ${server} \
          --target ${target}
    '';
}