mecano/lib/chown.js

Common functions for system deployment.

// Generated by CoffeeScript 1.9.1
var fs, uid_gid;

module.exports = function(options, callback) {
  var do_chown, do_stat, do_uid_gid;
  if (options.destination == null) {
    return callback(Error("Missing destination option"));
  }
  if (!((options.uid != null) || (options.gid != null))) {
    return callback(Error("Missing one of uid or gid option"));
  }
  do_uid_gid = function() {
    return uid_gid(options, function(err) {
      if (err) {
        return callback(err);
      }
      return do_stat();
    });
  };
  do_stat = function() {
    if (options.stat) {
      return do_chown(options.stat);
    }
    if (typeof options.log === "function") {
      options.log("Mecano `chown`: stat " + options.destination + " [DEBUG]");
    }
    return fs.stat(options.ssh, options.destination, function(err, stat) {
      if (err) {
        return callback(err);
      }
      return do_chown(stat);
    });
  };
  do_chown = function(stat) {
    if (stat.uid === options.uid && stat.gid === options.gid) {
      if (typeof options.log === "function") {
        options.log("Mecano `chmod`: identical ownerships on '" + options.destination + "' [INFO]");
      }
      return callback();
    }
    return fs.chown(options.ssh, options.destination, options.uid, options.gid, function(err) {
      if (options.uid && stat.uid !== options.uid) {
        if (typeof options.log === "function") {
          options.log("Mecano `chown`: change uid from " + stat.uid + " to " + options.uid + " [WARN]");
        }
      }
      if (options.gid && stat.gid !== options.gid) {
        if (typeof options.log === "function") {
          options.log("Mecano `chown`: change gid from " + stat.gid + " to " + options.gid + " [WARN]");
        }
      }
      return callback(err, true);
    });
  };
  return do_uid_gid();
};

fs = require('ssh2-fs');

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