code: def install(self: "Repo", use_pre_commit_tool: bool = False) -> None:
      """Adds dvc commands to SCM hooks for the repo.
  
      If use_pre_commit_tool is set and pre-commit is installed it will be used
      to install the hooks.
      """
      from dvc.scm import Git
  
      scm = self.scm
      if not isinstance(scm, Git):
          return
  
      driver = (
          "dvc git-hook merge-driver --ancestor %O --our %A --their %B "
      )
      scm.install_merge_driver("dvc", "DVC merge driver", driver)
  
      if use_pre_commit_tool:
          return pre_commit_install(scm)
  
      return install_hooks(scm)
  
imports: from typing import TYPE_CHECKING
  from dvc.exceptions import DvcException
label_desc: Use image node_id 3 for calling a global function with example usage: install(use_pre_commit_tool) and returns: install_hooks, pre_commit_install