Revert "Reland: [infra] Roll buildtools to c72a1c5aadde06505b7bb4641720880f3db28ff9"

This reverts commit ad69aaef6232957087fff0815c591c18b0adeb8f.

Reason for revert: <INSERT REASONING HERE>

Original change's description:
> Reland: [infra] Roll buildtools to c72a1c5aadde06505b7bb4641720880f3db28ff9
> 
> Tries to work around update.py race by setting up symlinks for 'git cl format'
> instead of copying.
> 
> Change-Id: I4ed9b99254803feea5ea0e8d30db23fc982e9562
> Reviewed-on: https://dart-review.googlesource.com/c/85427
> Reviewed-by: Ryan Macnak <rmacnak@google.com>
> Commit-Queue: Zach Anderson <zra@google.com>

TBR=rmacnak@google.com,zra@google.com

Change-Id: Ida584adda37cd3e2dac16654eb1e81e92f123f88
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://dart-review.googlesource.com/c/85467
Reviewed-by: Zach Anderson <zra@google.com>
Commit-Queue: Zach Anderson <zra@google.com>
4 files changed
tree: b808f2925f5b5b41e1fbe7dd7af5cf437177a64b
  1. .github/
  2. build/
  3. client/
  4. docs/
  5. pkg/
  6. runtime/
  7. samples/
  8. samples-dev/
  9. sdk/
  10. tests/
  11. third_party/
  12. tools/
  13. utils/
  14. .clang-format
  15. .gitattributes
  16. .gitconfig
  17. .gitignore
  18. .gn
  19. .mailmap
  20. .packages
  21. .vpython
  22. AUTHORS
  23. BUILD.gn
  24. CHANGELOG.md
  25. codereview.settings
  26. CONTRIBUTING.md
  27. dartdoc_options.yaml
  28. DEPS
  29. LICENSE
  30. PATENTS
  31. PRESUBMIT.py
  32. README.dart-sdk
  33. README.md
  34. WATCHLISTS
README.md

Dart

Dart is an open-source, scalable programming language, with robust libraries and runtimes, for building web, server, and mobile apps.

Using Dart

Visit the dartlang.org to learn more about the language, tools, getting started, and more.

Browse pub.dartlang.org for more packages and libraries contributed by the community and the Dart team.

Building Dart

If you want to build Dart yourself, here is a guide to getting the source, preparing your machine to build the SDK, and building.

There are more documents on our wiki.

Contributing to Dart

The easiest way to contribute to Dart is to file issues.

You can also contribute patches, as described in Contributing.

License & patents

See LICENSE and PATENTS.