[all-commits] [llvm/llvm-project] 513f09: [libc++][CI] Improves buildbot runner.

[Mark de Wever via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 513f094f623d1f3c5a4970587fc30f61a5c90bc8
      https://github.com/llvm/llvm-project/commit/513f094f623d1f3c5a4970587fc30f61a5c90bc8
  Author: Mark de Wever <koraq at xs4all.nl>
  Date:   2022-12-22 (Thu, 22 Dec 2022)

  Changed paths:
    M libcxx/utils/ci/run-buildbot

  Log Message:
  -----------
  [libc++][CI] Improves buildbot runner.

Adds documentation and shows a help message when running the script
without arguments.

Lands parts of D139545.