I used to install Cocoapods by following the officially recommended way sudo gem install cocoapods. Not anymore. Sudo can be a bad practice.
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After updating to MacOS 10.15 Catalina, there are problems with Flutter. Specifically, Flutter doctor complaints about the following: Downloaded executables cannot execute on host. CocoaPods not installed. Step 1: Open terminal and type: sudo gem install cocoapods. Gem will get installed in Ruby inside System library. Or try on 10.11 Mac OSX El Capitan, type: sudo gem install -n /usr/local/bin cocoapods. So, issue is that in Mac OSX Catalina. The folder path /usr/local/bin is private. So, Step 1: Install Homebrew. 'Homebrew lets your access private folders and enables them to public'. Step 2: Restart Terminal or restart Mac OSX. Step 3: Run sudo gem install cocoapods or sudo gem install -n /usr/local/bin cocoapods. Step 4: Let the setup complete.
Joshua Moody in the Calabash-ios repository warns:
Using sudo is inherently dangerous. Executing a gem install with sudo is even more dangerous because gems can execute code at install time. This means they could erase parts of your hard drive or publish sensitive information to the internet. Installing gems with sudo on MacOS can overwrite the pre-installed system gems which could cause internal MacOS and Xcode tools to fail.
If it does not convince you, see what others have to say:
Jesse Squires in his post “zsh could not find CocoaPods” writes that another poor suggestion is specifying the bin dir to /usr/local/bin when installing the gem. This is not typically where you would want gems installed.
Install Cocoapods In Mac Catalina
Cocoapods sudo-less installation on a Mac with zsh
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To install the Cocoapods to our user directory we need to run the command:
$ gem install cocoapods --user-install
zsh: command not found
In the terminal, if we type pod --version the shell will probably respond with error zsh: command not found.
We need to set the PATH to the Cocoapods gem.
Setting the path to cocoapods in the .zprofile
The official guide recommends configuring .bash_profile. On the newest mac_os bash shell has been replaced with zsh shell, so we need to modify .zprofile file. The file resides in our home directory.
However, this might not work too, as the path is missing the ruby version.
First, let’s find out in the terminal the full path to the cocoapods gem:
Now back to the .zprofile to update the path:
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Testing the installation
How To Update Cocoapods In Mac
Let us the shell know about our changes. If we have the terminal still reload the profile file with the command source ~/.zprofile
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Now the command pod --version should work. We have installed Cocoapods without sudo and successfully added its path. That’s it.
How To Install Cocoapods In Mac
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