git rev-parse --git-dir >/dev/null 2>&1 || { echo "ERROR: Not a git repository"; exit 1; }

BASE_PATH=$(jq -r '.worktrees_config.base_path // ".."' .specify/spex-traits.json 2>/dev/null)

BRANCH_NAME=$(git rev-parse --abbrev-ref HEAD)

REPO_ROOT=$(git rev-parse --show-toplevel)
GIT_DIR=$(git rev-parse --git-dir)

# If git-dir is not <repo>/.git, we're inside a worktree
if [ "$GIT_DIR" != "$REPO_ROOT/.git" ] && [ "$GIT_DIR" != ".git" ]; then
  echo "WARNING: Already inside a git worktree. Skipping worktree creation."
  echo "Worktree nesting is not supported."
  # Skip worktree creation but continue with the rest of the specify flow
fi

WORKTREE_PATH="$REPO_ROOT/$BASE_PATH/$BRANCH_NAME"

if [ -d "$WORKTREE_PATH" ] || [ -f "$WORKTREE_PATH" ]; then
  echo "ERROR: Target path already exists: $WORKTREE_PATH"
  echo "Remove it manually or choose a different base_path in .specify/spex-traits.json"
  # Stop worktree creation, but don't fail the entire specify flow
fi

# Check for uncommitted spec files in the feature's spec directory
SPEC_DIR="specs/$BRANCH_NAME"
if [ -d "$SPEC_DIR" ]; then
  UNTRACKED=$(git status --porcelain "$SPEC_DIR" 2>/dev/null)
  if [ -n "$UNTRACKED" ]; then
    git add "$SPEC_DIR"
    git commit -m "feat: Add spec for $BRANCH_NAME

Assisted-By: 🤖 Claude Code"
  fi
fi

if ! git checkout main 2>&1; then
  echo "WARNING: Could not switch back to main."
  echo "You likely have uncommitted changes. Commit or stash them first."
  echo "The repository remains on branch $BRANCH_NAME."
  echo "Worktree creation skipped (cannot create worktree while branch is checked out here)."
  # Stop here - worktree creation is not possible without switching branches first
fi

git worktree add "$WORKTREE_PATH" "$BRANCH_NAME"

if ! git worktree add "$WORKTREE_PATH" "$BRANCH_NAME" 2>&1; then
  echo "ERROR: Failed to create worktree at $WORKTREE_PATH"
  echo "The repository is on main. The feature branch $BRANCH_NAME still exists."
  echo "Resolve the issue and retry, or switch to the branch manually: git checkout $BRANCH_NAME"
  # Stop here
fi

┌─────────────────────────────────────────────────────────────┐
│ Worktree created at <worktree-path>                         │
│                                                             │
│ To continue with planning/implementation:                   │
│   cd <worktree-path> && claude                              │
│                                                             │
│ In the new session, run /spex:init to set up spec-kit        │
│ commands and spex traits in the worktree.                   │
│                                                             │
│ The spec file contains all context from this session.       │
└─────────────────────────────────────────────────────────────┘

git worktree list --porcelain

Active Feature Worktrees:

  Path                              Branch              Feature
  ─────────────────────────────────────────────────────────────
  ../004-user-auth                  004-user-auth       user-auth
  ../007-worktrees-trait            007-worktrees-trait  worktrees-trait

No active feature worktrees found.

Create one by running /speckit.specify with the worktrees trait enabled.

# Get all branches merged into main
MERGED_BRANCHES=$(git branch --merged main | sed 's/^[* ]*//' | grep -E '^[0-9]{3}-')

Worktree ../004-user-auth (branch 004-user-auth) is merged into main.
Remove this worktree? (yes/no)

# Switch cwd to the main worktree BEFORE removing the feature worktree.
# If cwd is inside the worktree being removed, all subsequent commands will
# fail with "Path does not exist" because the Bash tool persists cwd.
MAIN_WORKTREE=$(git worktree list --porcelain | head -1 | sed 's/^worktree //')
cd "$MAIN_WORKTREE"
git worktree remove <path>
git branch -d <branch-name>

Worktree ../007-worktrees-trait (branch 007-worktrees-trait) has NOT been merged.
Skipping. Use --force to remove unmerged worktrees (data may be lost).