code: function split( command ) {
      if ( typeof command !== 'string' ) {
          throw new Error( 'Command must be a string' );
      }
  
      var r = command.match( /[^"\s]+|"(?:\\"|[^"])*"/g );
      if ( ! r ) {
          return [];
      }
  
      return r.map( function ( expr ) {
          var isQuoted = expr.charAt( 0 ) === '"' && expr.charAt( expr.length - 1 ) === '"';
          return isQuoted ? expr.slice( 1, -1 ) : expr;
      } );
  }
docs: Split a command into an array.
  
  @example
  ```js
  var arr = split( 'git commit -m "some message with spaces"' );
  console.log( arr ); // [ "git", "commit", "-m", "some message with spaces" ]
  ```
  
  @param {string} command Command to split.
  @returns {Array}