worktree-new.sh

#!/bin/bash
# Usage: source worktree-new.sh <branch-name>
# Creates a git worktree with an isolated Neon DB branch.
# Must be sourced (not executed) to cd into the new worktree.

worktree_new() {
  set -euo pipefail

  local MAIN_REPO="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
  local BRANCH_NAME="${1:-}"

  if [[ -z "$BRANCH_NAME" ]]; then
    echo "Usage: source worktree-new.sh <branch-name>"
    return 1
  fi

  local WORKTREE_PATH="$MAIN_REPO/../personal-finance-visoneer-$BRANCH_NAME"

  if [[ -d "$WORKTREE_PATH" ]]; then
    echo "Error: Worktree already exists at $WORKTREE_PATH"
    return 1
  fi

  echo "Creating worktree for branch: $BRANCH_NAME"
  git worktree add "$WORKTREE_PATH" -b "$BRANCH_NAME"

  # Copy IDE settings
  mkdir -p "$WORKTREE_PATH/.vscode"
  cp "$MAIN_REPO/.vscode/settings.json" "$WORKTREE_PATH/.vscode/" 2>/dev/null && echo "  ✓ .vscode/settings.json" || true

  mkdir -p "$WORKTREE_PATH/.claude"
  ln -sf "$MAIN_REPO/.claude/settings.local.json" "$WORKTREE_PATH/.claude/settings.local.json" 2>/dev/null && echo "  ✓ .claude/settings.local.json (symlinked)" || true

  # Copy .env.local (non-DB vars like auth secrets, stripe keys)
  # db-branch-create.sh will replace DATABASE_URL with the branch connection
  if [[ -f "$MAIN_REPO/.env.local" ]]; then
    cp "$MAIN_REPO/.env.local" "$WORKTREE_PATH/.env.local"
    echo "  ✓ .env.local (copied)"
  fi

  # Install dependencies
  echo "Installing dependencies..."
  (cd "$WORKTREE_PATH" && bun install)

  # Create isolated Neon branch + update DB connection + run migrations
  (cd "$WORKTREE_PATH" && bash scripts/db-branch-create.sh)

  echo ""
  echo "✓ Worktree ready!"
  echo "  Git branch: $BRANCH_NAME"
  echo "  DB branch:  dev/$BRANCH_NAME"
  cd "$WORKTREE_PATH"
}

worktree_new "$@"