sudo gem install cocoapods --use

sudo gem install cocoapods --user-install

`FirebaseAnalytics` requires CocoaPods version `>= 1.12.0`, which is not satisfied by your current version, `1.11.3`.

$ gem update --system

/System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib/ruby/2.6.0/universal-darwin23/rbconfig.rb:21: warning: Insecure world writable dir /usr/local/opt in PATH, mode 040777

Ignoring ffi-1.15.5 because its extensions are not built. Try: gem pristine ffi --version 1.15.5

Ignoring json-2.6.2 because its extensions are not built. Try: gem pristine json --version 2.6.2

ERROR:  While executing gem ... (Errno::EACCES)

    Permission denied @ dir_s_mkdir - /Users/mac/.local/share/gem/specs

tongtongdeAir:zhanzhan mac$ sudo gem update --system

Password:

/System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib/ruby/2.6.0/universal-darwin23/rbconfig.rb:21: warning: Insecure world writable dir /usr/local/opt in PATH, mode 040777

Ignoring ffi-1.15.5 because its extensions are not built. Try: gem pristine ffi --version 1.15.5

Ignoring json-2.6.2 because its extensions are not built. Try: gem pristine json --version 2.6.2

Updating rubygems-update

ERROR:  Error installing rubygems-update:

rubygems-update-3.5.7 requires Ruby version >= 3.0.0. The current ruby version is 2.6.10.

出现错误：

ERROR:  While executing gem ... (Errno::EACCES)

    Permission denied @ dir_s_mkdir - /Users/mac/.local/share/gem/specs

或者这个错误：

ERROR:  While executing gem ... (Gem::FilePermissionError)

    You don't have write permissions for the /System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib/ruby/gems/2.6.0 directory.

就用这个：

tongtongdeAir:zhanzhan mac$ sudo gem install cocoapods --user-install

Password:

/System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib/ruby/2.6.0/universal-darwin23/rbconfig.rb:21: warning: Insecure world writable dir /usr/local/opt in PATH, mode 040777

Ignoring json-2.6.2 because its extensions are not built. Try: gem pristine json --version 2.6.2

WARNING:  You don't have /Users/mac/.local/share/gem/ruby/2.6.0/bin in your PATH,

  gem executables will not run.

Successfully installed xcodeproj-1.24.0

Successfully installed cocoapods-downloader-2.1

Successfully installed concurrent-ruby-1.2.3

Successfully installed cocoapods-core-1.15.2

Successfully installed cocoapods-1.15.2