Macos Firebase初始化命令不适用于catalina

我正在为我的一个新Xcode项目进行pod初始化，但它无法输出：

    Traceback (most recent call last):
    5: from /usr/local/bin/pod:23:in `<main>'
    4: from /usr/local/bin/pod:23:in `load'
    3: from /Library/Ruby/Gems/2.6.0/gems/cocoapods-1.8.4/bin/pod:55:in `<top (required)>'
    2: from /Library/Ruby/Gems/2.6.0/gems/cocoapods-1.8.4/lib/cocoapods/command.rb:49:in `run'
    1: from /Library/Ruby/Gems/2.6.0/gems/cocoapods-1.8.4/lib/cocoapods/command.rb:130:in `verify_minimum_git_version!'
/Library/Ruby/Gems/2.6.0/gems/cocoapods-1.8.4/lib/cocoapods/command.rb:118:in `git_version': Failed to extract git version from `git --version` ("xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun\n") (RuntimeError)

回溯（最近一次呼叫最后一次）：
5:from/usr/local/bin/pod:23:in`'
4:from/usr/local/bin/pod:23:in'load'
3:from/Library/Ruby/Gems/2.6.0/Gems/cocoapods-1.8.4/bin/pod:55:in`'
2:from/Library/Ruby/Gems/2.6.0/Gems/cocoapods-1.8.4/lib/cocoapods/command.rb:49:in'run'
1:from/Library/Ruby/Gems/2.6.0/Gems/cocoapods-1.8.4/lib/cocoapods/command.rb:130:in“验证最低版本”
/Library/Ruby/Gems/2.6.0/Gems/cocoapods-1.8.4/lib/cocoapods/command.rb:118:'git_version'中：未能从'git--version'中提取git版本（“xcrun:error:无效的活动开发人员路径（/Library/developer/CommandLineTools），在：/Library/developer/CommandLineTools/usr/bin/xcrun\n）处缺少xcrun（运行时错误）

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我以前一直这样做，自从最近更新了我的mac太最新版本以来，终端从未出现过问题

我用自制软件重新安装Git解决了我的问题。幸亏