def _build_bazel_binary()

in benchmark.py [0:0]

• 17 lines of code
• 4 McCabe index (conditional complexity)

def _build_bazel_binary(commit, repo, outroot, platform=None):
  """Builds bazel at the specified commit and copy the output binary to outroot.

  If the binary for this commit already exists at the destination path, simply
  return the path without re-building.

  Args:
    commit: the Bazel commit SHA.
    repo: the git.Repo instance of the Bazel clone.
    outroot: the directory inwhich the resulting binary is copied to.
    platform: the platform on which to build this binary.

  Returns:
    The path to the resulting binary (copied to outroot).
  """
  outroot_for_commit = '%s/%s/%s' % (
      outroot, platform, commit) if platform else '%s/%s' % (outroot, commit)
  destination = '%s/bazel' % outroot_for_commit
  if os.path.exists(destination):
    logger.log('Binary exists at %s, reusing...' % destination)
    return destination

  logger.log('Building Bazel binary at commit %s' % commit)
  repo.git.checkout('-f', commit)

  _exec_command(['bazel', 'build', '//src:bazel'], cwd=repo.working_dir)

  # Copy to another location
  binary_out = '%s/bazel-bin/src/bazel' % repo.working_dir

  if not os.path.exists(outroot_for_commit):
    os.makedirs(outroot_for_commit)
  logger.log('Copying bazel binary to %s' % destination)
  shutil.copyfile(binary_out, destination)
  _exec_command(['chmod', '+x', destination])

  return destination