Updating Specs for CocoaPods is slow and easy to fail every time. Cocoapods sepcs files are stored in the ~/.cocoapods/repos directory

git clone https://github.com/CocoaPods/Specs.git master
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You don’t need to clone the entire code. You can clone the entire code of the most recent commit. Terminal execution:

git clone --depth=1  https://github.com/CocoaPods/Specs.git master
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