bin/waterlock-auth-methods.js
function(src, dest){
      if(fs.existsSync(dest)){
        this.waitForResponse(src, dest); 
      }else{
        this.copy(src, dest); 
        this.triggerNext(); 
      }
    }
function(src, dest){
      if(fs.existsSync(dest)){
        this.waitForResponse(src, dest); 
      }else{
        this.copy(src, dest); 
        this.triggerNext(); 
      }
    }
function ( src , dest ) { if ( fs . existsSync ( dest ) ) { this . waitForResponse ( src , dest ) ; } else { this . copy ( src , dest ) ; this . triggerNext ( ) ; } }
tries to install the source file to the destination path, if it exsits
in the destination will trigger a prompt.

@param  {String} src  fullpath of source file to install
@param  {String} dest fullpath of destination file to install
tries to install the source file to the destination path if it exsits in the destination will trigger a prompt .