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Git Commands

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Untrack Files Locally​

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When you have files that you modify frequently locally but don't want to commit these changes, you can use Git's assume-unchanged feature.

Untrack files locally
# Untrack a file (Git will ignore local changes)
git update-index --assume-unchanged <filenamewithfullpathfromdotgitfolder>

# Track the file again
git update-index --no-assume-unchanged <filenamewithfullpathfromdotgitfolder>

# Example
git update-index --assume-unchanged datafile.properties

Revert a Wrong Branch Pull​

If you've pulled the wrong branch and want to revert it, follow these 4 steps:

Revert wrong branch pull
# Step 1: Check the commit history
git log

# Look for the commit hash of the state you want to revert to 
# (usually, this is the one just before the pull)

# Step 2: Reset your branch to the desired commit
git reset --hard <commit_hash>

# Step 3: Clean up any new files introduced by the pull
git clean -f

# Step 4: Verify the status
git status
tip

Always double-check the commit hash before running git reset --hard as this operation cannot be easily undone.

PowerShell Scripts​

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Delete All Local Branches​

Delete all local branches except the main branch using PowerShell:

Delete all branches except main
git branch | Where-Object { $_.Trim() -ne "main" } | ForEach-Object { git branch -D $_.Trim() }
warning

Be careful when deleting branches. Make sure you don't need any of the branches before running this command.

Copy a Repo Fast with Git Archive​

Export tracked files as a zip
git archive --format=zip HEAD > project.zip

Why this works:

  • Copies only tracked files
  • Automatically respects .gitignore
  • No build artifacts or dependencies

Works for: Java | TypeScript | Python

Skips automatically: node_modules/, target/, dist/, venv/, __pycache__/

Golden Rule

If Git can regenerate it, don't copy it.

Extract Directly Into a Folder​

Extract files without leaving a zip behind.

Linux / macOS / Git Bash (Windows)
# Extract a specific folder from the repo
git archive HEAD tests/AIEvaluation | tar -x

# Extract into a specific location
git archive HEAD tests/AIEvaluation | tar -x -C /path/to/destination