Error: Your CLT does not support

Error: Your CLT does not support macOS 11.1.
It is either outdated or was modified.
Please update your CLT or delete it if no updates are available.

brew install watchman
Updating Homebrew...
Warning: You are using macOS 11.1.
We do not provide support for this pre-release version.
You will encounter build failures with some formulae.
Please create pull requests instead of asking for help on Homebrew's GitHub,
Twitter or any other official channels. You are responsible for resolving
any issues you experience while you are running this
pre-release version.

==> Downloading https://github.com/facebook/watchman/commit/17958f7d.patch?full_
######################################################################## 100.0%
==> Downloading https://github.com/facebook/watchman/archive/v4.9.0.tar.gz
==> Downloading from https://codeload.github.com/facebook/watchman/tar.gz/v4.9.0
                           -=O=-               #     #    #    #              
Error: Your CLT does not support macOS 11.1.
It is either outdated or was modified.
Please update your CLT or delete it if no updates are available.

解决方案如下：

 sudo rm -rf /Library/Developer/CommandLineTools
 sudo xcode-select --install

rm一直爽！安装...

3个半小时后见