Git

Git Workflow

Branch Strategy

main (production)
  │
  └── feature/* or fix/* (development)

• main is production, always deployable
• Feature branches for development
• Merge to main via PR or direct push (small changes)

Commit Message Format

<type>: <short summary>

<optional body with details>

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Types

Examples

feat: Add Redtrack daily spend source

fix: Correct Supabase pooler port to 6543

docs: Update ROADMAP with Phase 4 completion

refactor: Extract retry policy to temporal/config.py

chore: Update dlt to 0.4.0

Safe Git Commands

Before Committing

# See what changed
git status
git diff

# Stage specific files
git add path/to/file.py

# Stage all changes
git add -A

Committing

# Commit with message
git commit -m "feat: Add new source"

# Commit with multi-line message (use heredoc)
git commit -m "$(cat <<'EOF'
feat: Add Redtrack source

- Implements daily_spend resource
- Uses merge disposition with date+source_id key
- Adds to pipeline runner registry

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
EOF
)"

Pushing

# Push to origin
git push origin main

# Push new branch
git push -u origin feature/my-feature

Dangerous Commands (Avoid)

Pull Request Template

## Summary
- Brief description of changes

## Changes
- Specific change 1
- Specific change 2

## Test Plan
- [ ] Tested locally with `python scripts/run_pipeline.py`
- [ ] Verified no type errors with `make typecheck`
- [ ] Ran `make ci` successfully

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Pre-Commit Checklist

Before any commit:

# 1. Check what you're committing
git diff --staged

# 2. Run linter
make lint

# 3. Run type checker
make typecheck

# 4. Run tests (if applicable)
make test

Common Scenarios

Undo Last Commit (Not Pushed)

# Keep changes, undo commit
git reset --soft HEAD~1

# Discard changes entirely
git reset --hard HEAD~1

Discard Local Changes

# Discard changes to specific file
git checkout -- path/to/file.py

# Discard all local changes
git checkout -- .

See What Changed Recently

# Recent commits
git log --oneline -10

# Changes in last commit
git show --stat

# Diff between commits
git diff abc123..def456

Stash Work in Progress

# Save current changes
git stash

# List stashes
git stash list

# Restore stashed changes
git stash pop

Files to Never Commit

Already in .gitignore:

• .env — secrets
• *.pem, *.key — certificates
• .dlt/secrets.toml — dlt credentials
• credentials.json — service accounts

If accidentally staged:

git reset HEAD path/to/secret/file

Commit Hygiene

Good Commits

• One logical change per commit
• Descriptive message explaining WHY
• Tests pass before commit
• No debug code or print statements

Bad Commits

• "WIP" or "fix" with no context
• Multiple unrelated changes
• Broken tests
• Secrets or credentials