Avoid target directories within the source directory getting stuck. #7
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Currently when you run:
The method will get caught in a recursive loop of creating "bar" sub directories in the target directory.
This will happen:
Until the path is so long that is validated as an invalid path string and thus mkdir() crashes.
In this pull request I implemented an if statement at the beginning of the foreach in the mirror() method. This if statement ensures that the target directory in the mirror process is skipped.