mecano/lib/move.js

Common functions for system deployment.

// Generated by CoffeeScript 1.7.1
var child, conditions, each, fs, misc, remove;

fs = require('ssh2-fs');

each = require('each');

misc = require('./misc');

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

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

remove = require('./remove');

module.exports = function(goptions, options, callback) {
  var _ref;
  _ref = misc.args(arguments), goptions = _ref[0], options = _ref[1], callback = _ref[2];
  return misc.options(options, function(err, options) {
    var moved;
    if (err) {
      return callback(err);
    }
    moved = 0;
    return each(options).parallel(goptions.parallel).on('item', function(options, next) {
      var do_chkhash, do_dsthash, do_exists, do_move, do_remove_dest, do_remove_src, do_srchash;
      do_exists = function() {
        return fs.stat(options.ssh, options.destination, function(err, stat) {
          if ((err != null ? err.code : void 0) === 'ENOENT') {
            return do_move();
          }
          if (err) {
            return next(err);
          }
          if (options.force) {
            return do_remove_dest();
          } else {
            return do_srchash();
          }
        });
      };
      do_srchash = function() {
        if (options.source_md5) {
          return do_dsthash();
        }
        return misc.file.hash(options.ssh, options.source, 'md5', function(err, hash) {
          if (err) {
            return next(err);
          }
          options.source_md5 = hash;
          return do_dsthash();
        });
      };
      do_dsthash = function() {
        if (options.destination_md5) {
          return do_chkhash();
        }
        return misc.file.hash(options.ssh, options.destination, 'md5', function(err, hash) {
          if (err) {
            return next(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_remove_dest();
        }
      };
      do_remove_dest = function() {
        if (typeof options.log === "function") {
          options.log("Remove " + options.destination);
        }
        return remove({
          ssh: options.ssh,
          destination: options.destination
        }, function(err, removed) {
          if (err) {
            return next(err);
          }
          return do_move();
        });
      };
      do_move = function() {
        if (typeof options.log === "function") {
          options.log("Rename " + options.source + " to " + options.destination);
        }
        return fs.rename(options.ssh, options.source, options.destination, function(err) {
          if (err) {
            return next(err);
          }
          moved++;
          return next();
        });
      };
      do_remove_src = function() {
        if (typeof options.log === "function") {
          options.log("Remove " + options.source);
        }
        return remove({
          ssh: options.ssh,
          destination: options.source
        }, function(err, removed) {
          return next(err);
        });
      };
      return conditions.all(options, next, do_exists);
    }).on('both', function(err) {
      return callback(err, moved);
    });
  });
};