iOS - CocoaPods版本升级那些坑

$ pod install
Analyzing dependencies
[!] The version of CocoaPods used to generate the lockfile (0.39.0) is higher than the version of the current executable (0.35.0). Incompatibility issues may arise.

$ gem update cocoapod
Updating installed gems

Nothing to update

$ pod --version

0.35.0

$ gem sources -l
*** CURRENT SOURCES ***
 http://ruby.taobao.org/[/code] 
网上查看，告知taobao服务器已经改为https协议，因此执行如下：
$ gem sources -r http://ruby.taobao.org/ http://ruby.taobao.org/ removed from sources

$ gem sources -a https://ruby.taobao.org/ https://ruby.taobao.org/ added to sources


更新系统，提示没有权限：
$ gem update --system
Updating rubygems-update
Fetching: rubygems-update-2.5.1.gem (100%)
ERROR:  While executing gem ... (Gem::FilePermissionError)

You don't have write permissions for the /Library/Ruby/Gems/2.0.0 directory.


使用sudo来执行操作：
$ sudo gem update --system
Updating rubygems-update
Fetching: rubygems-update-2.5.1.gem (100%)
Successfully installed rubygems-update-2.5.1

Parsing documentation for rubygems-update-2.5.1


执行安装:
$ pod setup
Setting up CocoaPods master repo
Setup completed

[!] CocoaPods was not able to update the `master` repo. If this is an unexpected issue and persists you can inspect it running `pod repo update --verbose`


根据提示执行repo更新:
$ pod repo update --verbose

Updating spec repo `master`
$ /usr/bin/git pull --ff-only
From https://github.com/CocoaPods/Specs a0baa68..9a14a05  master     -> origin/master
error: Your local changes to the following files would be overwritten by merge:
CocoaPods-version.yml
Specs/1PasswordExtension/1.0.0/1PasswordExtension.podspec.json

Specs/1PasswordExtension/1.0.1/1PasswordExtension.podspec.json

Specs/AKUTestKit/1.1.2/AKUTestKit.podspec.json
Specs/ALCore
Aborting
Updating a5c6b67..9a14a05

[!] CocoaPods was not able to update the `master` repo. If this is an unexpected issue and persists you can inspect it running `pod repo update --verbose`


master分支还是失败，查看网上建议，先清除缓存
rm -rf ~/.cocoapods/repos/master


再重新运行：
$ pod setup
Setting up CocoaPods master repo

CocoaPods 1.0.0.beta.2 is available.
To update use: `gem install cocoapods --pre`
[!] This is a test version we'd love you to try.

For more information see http://blog.cocoapods.org and the CHANGELOG for this version http://git.io/BaH8pQ. 
Setup completed


最后，到下载的ios工程目录下，执行：
$ pod install
Updating local specs repositories

CocoaPods 1.0.0.beta.2 is available.
To update use: `gem install cocoapods --pre`
[!] This is a test version we'd love you to try.

For more information see http://blog.cocoapods.org and the CHANGELOG for this version http://git.io/BaH8pQ. 
Analyzing dependencies
Downloading dependencies
Installing AFNetworking (2.6.3)
Installing AFOnoResponseSerializer (1.0.0)
Installing DTCoreText (1.6.17)


可见现在问题解决了！
原文:http://www.finalshares.com/read-6482?fr=gn