mecano/lib/move.js

Common functions for system deployment.

// Generated by CoffeeScript 1.9.1
var fs, misc, remove;

module.exports = function(options, callback) {
  var do_chkhash, do_dsthash, do_exists, do_move, do_remove_src, do_replace_dest, do_srchash;
  do_exists = function() {
    if (typeof options.log === "function") {
      options.log("Mecano `move`: Stat destination");
    }
    return fs.stat(options.ssh, options.destination, function(err, stat) {
      if ((err != null ? err.code : void 0) === 'ENOENT') {
        return do_move();
      }
      if (err) {
        return callback(err);
      }
      if (options.force) {
        return do_replace_dest();
      } else {
        return do_srchash();
      }
    });
  };
  do_srchash = function() {
    if (options.source_md5) {
      return do_dsthash();
    }
    if (typeof options.log === "function") {
      options.log("Mecano `move`: Get source md5");
    }
    return misc.file.hash(options.ssh, options.source, 'md5', function(err, hash) {
      if (err) {
        return callback(err);
      }
      options.source_md5 = hash;
      return do_dsthash();
    });
  };
  do_dsthash = function() {
    if (options.destination_md5) {
      return do_chkhash();
    }
    if (typeof options.log === "function") {
      options.log("Mecano `move`: Get destination md5");
    }
    return misc.file.hash(options.ssh, options.destination, 'md5', function(err, hash) {
      if (err) {
        return callback(err);
      }
      options.destination_md5 = hash;
      return do_chkhash();
    });
  };
  do_chkhash = function() {
    if (options.source_md5 === options.destination_md5) {
      return do_remove_src();
    } else {
      return do_replace_dest();
    }
  };
  do_replace_dest = function() {
    if (typeof options.log === "function") {
      options.log("Mecano `move`: Remove " + options.destination);
    }
    return remove({
      ssh: options.ssh,
      destination: options.destination
    }, function(err, removed) {
      if (err) {
        return callback(err);
      }
      return do_move();
    });
  };
  do_move = function() {
    if (typeof options.log === "function") {
      options.log("Mecano `move`: Rename " + options.source + " to " + options.destination);
    }
    return fs.rename(options.ssh, options.source, options.destination, function(err) {
      if (err) {
        return callback(err);
      }
      return callback(null, true);
    });
  };
  do_remove_src = function() {
    if (typeof options.log === "function") {
      options.log("Mecano `move`: Remove " + options.source);
    }
    return remove({
      ssh: options.ssh,
      destination: options.source
    }, function(err, removed) {
      return callback(err);
    });
  };
  return do_exists();
};

fs = require('ssh2-fs');

remove = require('./remove');

misc = require('./misc');