它要求您同时取消 homebrew-core 和 homebrew-cask >与:

It's asking you to unshallow both homebrew-core and homebrew-cask with:

git -C "/usr/local/Homebrew/Library/Taps/homebrew/homebrew-core" fetch --unshallow
git -C "/usr/local/Homebrew/Library/Taps/homebrew/homebrew-cask" fetch --unshallow