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📘 Git & GitHub Commands

This document contains the essential Git and GitHub commands I use frequently as a DevOps developer.

🔧 Setup

git config --global user.name "Suraj Vishwakarma"
git config --global user.email "your@email.com"
git config --global core.editor "code --wait"

📁 Initialize & Clone

git init                   # Initialize a local repo
git clone <repo-url>       # Clone from GitHub

📄 Staging & Committing

git add <file>             # Add file to stage
git add .                  # Add all changes
git commit -m "message"    # Commit changes with message
git commit -am "msg"       # Add & commit tracked files
git branch                 # List branches
git branch <branch-name>  # Create new branch
git checkout <branch>     # Switch to branch
git checkout -b <branch>  # Create + switch to new branch
git merge <branch>        # Merge into current branch

⬆️ Push & Pull

git push origin <branch>  # Push to GitHub
git pull origin <branch>  # Pull latest changes

🚫 Undo & Reset

git reset --soft HEAD~1   # Undo last commit (keep changes)
git reset --hard HEAD~1   # Delete last commit completely
git checkout -- <file>    # Discard changes in file

🧠 Useful

git status                # Show current status
git log                   # Show commit logs
git diff                  # Show unstaged changes
git remote -v             # Show remote URLs
git stash                 # Save local changes temporarily
git stash pop             # Re-apply stashed changes

🛠 GitHub Workflows (Basic)

# Add remote
git remote add origin https://github.com/username/repo.git

# Push initial commit
git push -u origin main

# Forking flow
git remote add upstream https://github.com/original/repo.git
git fetch upstream
git merge upstream/main

🧪 .gitignore Example

node_modules
.env
.DS_Store
dist

✅ Tips

  • Commit often with meaningful messages.
  • Always pull before pushing.
  • Use branches for new features/fixes.

📚 Resources