Handle existing directory gracefully#91
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Pull request overview
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Adds a guard to prevent initializing a new git repository in a path that already exists, exiting early with user-facing messaging.
Changes:
- Check for an existing target path before creating/chdir into the repository directory.
- Print guidance and exit if the directory already exists.
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Summary
This change improves error handling when the target repository directory already exists.
Previous behavior
Running contribute.py multiple times against the same repository caused:
FileExistsError: [WinError 183]
New behavior
The script checks whether the directory already exists and exits gracefully with a helpful message instead of crashing.
Tested