git-undo-last-commit.md

Here's how to undo your last commit (that accidentally included __pycache__) and prevent it from being tracked in the future:

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1. Undo the Last Commit (But Keep Changes)

git reset --soft HEAD~1

• This will:
  • Remove the commit (fd8b15c)
  • Keep all your changes staged
  • Allow you to re-commit without __pycache__

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2. Unstage __pycache__ Files

git restore --staged */__pycache__/*

or for all Python cache files:

git restore --staged *.pyc __pycache__/

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3. Re-commit Properly

git commit -m "python crash course"  # Now without __pycache__

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4. Add __pycache__ to `.gitignore (Prevent Future Tracking)**

echo "__pycache__/" >> .gitignore
echo "*.pyc" >> .gitignore

Then commit the .gitignore:

git add .gitignore
git commit -m "Add .gitignore for Python cache"

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Alternative: Completely Remove the Commit (Hard Reset)

If you want to erase the commit and all changes:

git reset --hard HEAD~1

(Warning: This permanently deletes uncommitted work!)

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What Happened in Your Attempt?

• git restore --staged . unstaged all files, but didn't undo the commit.
• The files remained in Git's history until you ran reset.

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Key Takeaways

1. --soft reset → Best for fixing bad commits.
2. .gitignore → Essential for Python projects.
3. Always check git status before committing!

Let me know if you'd like help with anything else! 😊