/worktree-sync [base-branch]

# Check if we're in a worktree
CURRENT_DIR=$(pwd)
if [[ ! "$CURRENT_DIR" == *"/worktrees/"* ]]; then
  echo "⚠️  Warning: Not in a worktree directory"
  echo "Current: $CURRENT_DIR"
  read -p "Continue anyway? (y/n) " -n 1 -r
  echo
  if [[ ! $REPLY =~ ^[Yy]$ ]]; then
    exit 1
  fi
fi

# Get current branch
CURRENT_BRANCH=$(git branch --show-current)
echo "Current branch: $CURRENT_BRANCH"

# Use provided base or detect default branch
if [ -n "$1" ]; then
  BASE_BRANCH="$1"
else
  # Detect if main or master
  if git show-ref --verify --quiet refs/remotes/origin/main; then
    BASE_BRANCH="main"
  elif git show-ref --verify --quiet refs/remotes/origin/master; then
    BASE_BRANCH="master"
  else
    echo "Error: Could not determine base branch"
    exit 1
  fi
fi

echo "Base branch: $BASE_BRANCH"

# Check working directory status
if ! git diff-index --quiet HEAD --; then
  echo ""
  echo "❌ Error: Uncommitted changes detected"
  echo ""
  git status --short
  echo ""
  echo "Please commit or stash changes before syncing:"
  echo "  git add ."
  echo "  git commit -m 'Your message'"
  echo "  OR"
  echo "  git stash"
  exit 1
fi

echo "✅ Working directory clean"

echo ""
echo "Fetching latest from origin..."
git fetch origin

# Show how many commits behind/ahead
BEHIND=$(git rev-list --count HEAD..origin/$BASE_BRANCH)
AHEAD=$(git rev-list --count origin/$BASE_BRANCH..HEAD)

echo "Your branch is:"
echo "  $AHEAD commit(s) ahead of origin/$BASE_BRANCH"
echo "  $BEHIND commit(s) behind origin/$BASE_BRANCH"

if [ "$BEHIND" -eq 0 ]; then
  echo ""
  echo "✅ Already up to date with origin/$BASE_BRANCH"
  exit 0
fi

echo ""
echo "Rebasing $CURRENT_BRANCH on origin/$BASE_BRANCH..."
echo ""

# Attempt rebase
if git rebase "origin/$BASE_BRANCH"; then
  echo ""
  echo "✅ Rebase successful!"
  echo ""
  echo "Your branch is now up to date with origin/$BASE_BRANCH"
  echo ""
  echo "Next steps:"
  echo "1. Test your changes still work"
  echo "2. Push with: git push --force-with-lease origin $CURRENT_BRANCH"
else
  echo ""
  echo "❌ Rebase failed with conflicts"
  echo ""
  echo "Conflicts in:"
  git diff --name-only --diff-filter=U
  echo ""
  echo "To resolve:"
  echo "1. Fix conflicts in the files above"
  echo "2. git add <resolved-files>"
  echo "3. git rebase --continue"
  echo ""
  echo "To abort:"
  echo "  git rebase --abort"
  exit 1
fi

# Run tests if test command exists
if [ -f "package.json" ] && grep -q "\"test\":" package.json; then
  echo ""
  read -p "Run tests to verify? (y/n) " -n 1 -r
  echo
  if [[ $REPLY =~ ^[Yy]$ ]]; then
    npm test
  fi
fi

echo ""
echo "Sync complete! 🎉"

cd worktrees/user-authentication
/worktree-sync

Current branch: feature/user-authentication
Base branch: main
✅ Working directory clean

Fetching latest from origin...
Your branch is:
  3 commit(s) ahead of origin/main
  5 commit(s) behind origin/main

Rebasing feature/user-authentication on origin/main...

✅ Rebase successful!

Your branch is now up to date with origin/main

Next steps:
1. Test your changes still work
2. Push with: git push --force-with-lease origin feature/user-authentication

/worktree-sync develop