Problems with using ncp inside my grunt plugin - javascript

for some reasons, I´m doing a custom grunt plugin for copy some specific directories. The idea for the plugin is to pass a parameter from console with the source path.
I´m using ncp module to copy directories but inside my grunt plugin doesn´t work (If I use node to execute the code, all works fine... the directories are created... the files and directories and files are copied).
It doesn´t do anything... no ok console message... no error console message... I´ve being debugging inside the ncp code and I´ve discovered that the function fs.lstat it doesn´t work.
I´ve reviewed that the source path and the destination path are ok... so... I don´t know... maybe is a nonsense but I can´t find it ;)
You can see both examples via Gist:
Using Node: when the task is completed, show me the "done!" message.
Using Grunt: it doesn´t do anything... only create the destination directory.
Thanks.

I´ve found a solution that its works for my intentions. I´d have liked to use grunt copy task inside of my plugin but I couldn´t config the correct values manually.

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