Mac升级10.15导致pod报错 -bash: /usr/local/bin/pod: /System/Library/Frameworks/Ruby.framework/Versions/2...

升级了10.15，执行pod发现报错

-bash: /usr/local/bin/pod: /System/Library/Frameworks/Ruby.framework/Versions/2.3/usr/bin/ruby: bad interpreter: No such file or directory

只需要执行以下指令即可

 sudo gem install -n /usr/local/bin cocoapods

一定要加-n /usr/local/bin否则会报以下错误

ERROR:  While executing gem ... (Gem::FilePermissionError)
    You don't have write permissions for the /usr/bin directory.