mecano/lib/cron_remove.js

Common functions for system deployment.

// Generated by CoffeeScript 1.9.1
var escape, execute, wrap;

escape = function(str) {
  return str.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, "\\$&");
};

module.exports = function(options, callback) {
  var crontab, jobs, ref, status;
  if (!(((ref = options.cmd) != null ? ref.length : void 0) > 0)) {
    return callback(new Error('valid cmd is required'));
  }
  if (options.user != null) {
    if (typeof options.log === "function") {
      options.log("Using user " + options.user + " [INFO]");
    }
    crontab = "crontab -u " + options.user;
  } else {
    if (typeof options.log === "function") {
      options.log('Using default user [INFO]');
    }
    crontab = "crontab";
  }
  status = false;
  jobs = [];
  return this.execute({
    cmd: crontab + " -l",
    shy: true
  }, function(err, _, stdout, stderr) {
    var i, j, job, len, myjob, regex;
    if (err) {
      throw err;
    }
    if (/^no crontab for/.test(stderr)) {
      throw Error('User crontab not found');
    }
    myjob = options.when ? escape(options.when) : '.*';
    myjob += escape(" " + options.cmd);
    regex = new RegExp(myjob);
    jobs = stdout.trim().split('\n');
    for (i = j = 0, len = jobs.length; j < len; i = ++j) {
      job = jobs[i];
      if (!regex.test(job)) {
        continue;
      }
      if (typeof options.log === "function") {
        options.log("Job '" + job + "' matches. Removing from list [WARN]");
      }
      status = true;
      jobs.splice(i, 1);
    }
    if (!status) {
      return typeof options.log === "function" ? options.log('No Job matches. Skipping [INFO]') : void 0;
    }
  }).execute({
    cmd: crontab + " - <<EOF\n" + (jobs.join('\n')) + "\nEOF",
    "if": function() {
      return status;
    }
  }).then(callback);
};

wrap = require('./misc/wrap');

execute = require('./execute');