$ brew update
Error: homebrew-core is a shallow clone. To `brew update` first run:
git -C "/usr/local/Homebrew/Library/Taps/homebrew/homebrew-core" fetch --unshallow
我试图运行上面的命令：git ... --unshallow
但我遇到了另一个错误：
fatal: dumb http transport does not support shallow capabilities
$ brew -v
Homebrew 2.6.0-104-g24f7898
Homebrew/homebrew-core (git revision b1ef15; last commit 2020-12-05)
Homebrew/homebrew-cask (git revision 443e7; last commit 2020-08-27)
任何人都可以帮忙吗？
homebrew ×1