mecano/lib/chmod.js

Common functions for system deployment.

// Generated by CoffeeScript 1.9.1
var fs, misc;

module.exports = function(options, callback) {
  var do_chmod, do_stat;
  if (!options.destination) {
    return callback(Error("Missing destination: " + (JSON.stringify(options.destination))));
  }
  if (!options.mode) {
    return callback(Error("Missing option 'mode'"));
  }
  do_stat = function() {
    if (options.stat) {
      return do_chmod(options.stat);
    }
    if (typeof options.log === "function") {
      options.log("Mecano `chmod`: stat \"" + options.destination + "\" [DEBUG]");
    }
    return fs.stat(options.ssh, options.destination, function(err, stat) {
      if (err) {
        return callback(err);
      }
      return do_chmod(stat);
    });
  };
  do_chmod = function(stat) {
    if (misc.mode.compare(stat.mode, options.mode)) {
      if (typeof options.log === "function") {
        options.log("Mecano `chmod`: identical permissions on '" + options.destination + "' [INFO]");
      }
      return callback();
    }
    return fs.chmod(options.ssh, options.destination, options.mode, function(err) {
      if (!err) {
        if (typeof options.log === "function") {
          options.log("Mecano `chmod`: change permissions from '" + stat.mode + "' to '" + options.mode + "' on '" + options.destination + "' [WARN]");
        }
      }
      return callback(err, true);
    });
  };
  return do_stat();
};

fs = require('ssh2-fs');

misc = require('./misc');