Bits of .NET

🔍 See What You Changed Before Committing

Forgot what you changed? git diff shows unstaged changes. Review before commit. Prevent accidental commits.

📝 Diff Commands

# Unstaged changes
git diff

# Staged changes (added but not committed)
git diff --staged
git diff --cached

# Between two commits
git diff commit1 commit2

# Specific file
git diff src/app.js

# Word diff (better for text)
git diff --word-diff

# Show only file names
git diff --name-only

# Ignore whitespace
git diff --ignore-space-change

🎯 Visual Diff Tools

# Open visual diff tool (if configured)
git difftool

# Configure diff tool
git config --global diff.tool vscode
git config --global difftool.vscode.cmd 'code --wait --diff $LOCAL $REMOTE'

# VS Code as difftool
git config --global diff.tool vscode
git config --global difftool.vscode.cmd 'code --wait --diff $LOCAL $REMOTE'

# See changes from last commit
git diff HEAD~1

# Compare branches
git diff main..feature

💡 Best Practice

• Always git diff before commit
• Review staged changes with git diff –staged
• Catches accidental debug code
• Prevents committing secrets
• Ensures you know what you’re committing