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RedditKit

An Objective-C wrapper for the reddit API RedditKit - Ruby & Objective-C libraries for the reddit API

Cocoapod: Not possible to fast-forward, aborting

It is the content of my podfile:

platform :ios, '7.0'
pod 'RedditKit', '~> 1.3' 

It is placed at the root of my iOS project (i.e. not a workspace)

When I ran pod install I got this error message:

$ pod install
Analyzing dependencies
[!] An error occurred while performing `git pull` on repo `master`.
[!] /usr/bin/git pull --ff-only

fatal: Not possible to fast-forward, aborting.

I have already run gem update --system to update my ruby installation

More information of my cocoapod installation

$ gem which cocoapods
/Users/antkong/.rvm/gems/ruby-2.1.2@global/gems/cocoapods-0.33.1/lib/cocoapods.rb

Source: (StackOverflow)