関連ワード:  error cannot delete branch used by worktree at    error cannot delete branch    error cannot delete branch checked out at    error cannot delete branch 'main' used by worktree at    error cannot delete branch 'master' used by worktree at    error cannot delete branch 'main' checked out at    error cannot delete branch 'master' checked out at    error cannot delete branch develop used by worktree at    error cannot delete branch dev used by worktree at    error cannot delete branch test used by worktree at