Pre-commit is a python package that helps prevent wrong code getting into a commit. It automates the checking such that small bugs are caught early. It can also be customised!
The readme file that we're using at the beginning is;
# project This project contains both code and settingz
The hook will run once you make a commit.
git add readme.md git commit -m readme-added
The pre-commit should now intercept this file because of a trailing whitespace and a newline missing.
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