Git: allow force_run to be false in checkout

lisa/tools/git.py

@@ -103,7 +103,11 @@ def clone(
  return full_path
 
  def checkout(
- self, ref: str, cwd: pathlib.PurePath, checkout_branch: str = ""
+ self,
+ ref: str,
+ cwd: pathlib.PurePath,
+ checkout_branch: str = "",
+ force_run: bool = True,
  ) -> None:
  if not checkout_branch:
  # create a temp branch to checkout tag or commit.
@@ -115,15 +119,15 @@ def checkout(
  # force run to make sure checkout among branches correctly.
  result = self.run(
  f"checkout {ref}",
- force_run=True,
+ force_run=force_run,
  cwd=cwd,
  no_info_log=True,
  no_error_log=True,
  )
 
  result = self.run(
  f"checkout -b {checkout_branch}",
- force_run=True,
+ force_run=force_run,
  cwd=cwd,
  no_info_log=True,
  no_error_log=True,
@@ -134,7 +138,7 @@ def checkout(
  # in case there is submodule.
  self.run(
  "submodule update",
- force_run=True,
+ force_run=force_run,
  cwd=cwd,
  no_info_log=True,
  )