如何使自制程序恢复到以前的状态? [英] How to get back Homebrew to previous state?

问题描述

我从Mac系统的文件夹/usr/local/Homebrew/Library/Taps/homebrew/homebrew-core/Formula/中删除了一些 .rb文件(cassandra.rb，cassandra @ 2.1.rb和[e-mail]).我想找回这些.rb文件. .
我以为brew upgrade会把那些已删除的.rb文件还给我，但它们仍然不见了.这些.rb文件对于我安装软件包很重要.
brew install cassandra给出

I deleted some of .rb files(cassandra.rb,[e-mail] and [e-mail]) from folder /usr/local/Homebrew/Library/Taps/homebrew/homebrew-core/Formula/ from mac system.I want back those .rb files.
I thought brew upgrade will give me back those deleted .rb files back.But they are still missing. Those .rb files are important for me to install packages.
brew install cassandra gives

Updating Homebrew...
Error: No available formula with the name "cassandra" 
==> Searching for a previously deleted formula...
cassandra was deleted from homebrew/core in commit d20fe73:
  cassandra: update 3.10_1 bottle.

To show the formula before removal run:
  git -C "$(brew --repo homebrew/core)" show d20fe73^:Formula/cassandra.rb

If you still use this formula consider creating your own tap:
  http://docs.brew.sh/How-to-Create-and-Maintain-a-Tap.html

请我需要解决方案如何取回这些.rb文件?" 或其他任何可安装cassandra的替代方式" .

推荐答案

直接从GitHub安装，如此处所述- 如何在我将其还原后还原冲泡配方

Install directly from GitHub as mentioned here - How to restore brew formula after I rm it

brew install https://github.com/Homebrew/homebrew-core/tree/master/Formula/cassandra.rb

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