CocoaPods安装及使用

1、更新指定的第三方库命令
pod install --verbose --no-repo-update
pod update --verbose --no-repo-update

2、安装指定版本的cocoapods
sudo gem install cocoapods --version 0.39.0

3、如果之前装过cocopods,最好先卸载掉,卸载命令:
$ sudo gem uninstall cocoapods

4、先查看本地安装过的cocopods相关东西,命令如下:
$ gem list --local | grep cocoapods
会显示如下:

cocoapods-core (0.39.0)
cocoapods-downloader (0.9.3)
cocoapods-plugins (0.4.2)
cocoapods-search (0.1.0)
cocoapods-stats (0.6.2)
cocoapods-trunk (0.6.4)
cocoapods-try (0.5.1)

然后逐个删除吧:
$ sudo gem uninstall cocoapods-core
$ sudo gem uninstall cocoapods-downloader
etc...

5、cocoapods安装流程

  1. 查看ruby:ruby -v
  2. 查看源:gem sources -l
  3. 移除源:gem sources --remove https://rubygems.org/
  4. 设置新的源:gem sources -a https://ruby.taobao.org/
  5. 验证是否替换成功:gem sources -l
  6. 升级gem:sudo gem update --system
  7. 安装CocoaPods(OS X 10.11以前):sudo gem install cocoapods
  8. 安装CocoaPods(OS X 10.11以后):sudo gem install -n /usr/local/bin cocoapods
  9. pod setup(cd ~/.cocoapods/跳转到目录下用命令du -sh *查看下载进度)

6、cocoapods升级遇到的问题

1)运行sudo gem update --system报错

Updating rubygems-update
ERROR:  While executing gem ... (Errno::EPERM)
Operation not permitted - /usr/bin/update_rubygems

原因:brew更新或重装的时候导致的我们电脑上没有ruby环境了,需要重新安装一下
解决方案:安装ruby:brew install ruby
安装Homebrew:

// 网址:http://brew.sh/
/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"

2)执行pod update遇到的问题
出现:“Performing a deep fetch of themasterspecs repo to improve future performance”。
解决方案: 删除索引库,重新安装Pod,执行终端命令:

rm -rf ~/.cocoapods/repos
pod setup

3)执行pod setup遇到的问题1
问题1:

[!] /usr/bin/git clone https://github.com/CocoaPods/Specs.git master
  Cloning into 'master'...
  error: RPC failed; result=56, HTTP code = 200
  fatal: The remote end hung up unexpectedly
  fatal: early EOF
  fatal: index-pack failed

解决方案:

cd 任意的一个使用Git的项目
   #执行
   git repack --max-pack-size=500m -a -d
   pod setup

问题2:

[!] /usr/bin/git clone https://github.com/CocoaPods/Specs.git master
Cloning into 'master'...
error: RPC failed; curl 56 SSLRead() return error -36
fatal: The remote end hung up unexpectedly
fatal: early EOF
fatal: index-pack failed

解决办法:

You can try adding it manually in ~/.cocoapods/repos or via pod repo add.
自己按照提示在终端输入以下命令:
pod repo add master https://github.com/CocoaPods/Specs.git
还是报错!
在终端输入以下命令:
sudo xcode-select -switch /Applications/Xcode.app/Contents/Developers
后面的地址你可以打开Xcode显示包内容,找到那个文件夹拖到终端里面。

4)pod search 搜索类库失败的解决办法

  1. 执行pod setup

其实在你安装CocoaPods执行pod install时,系统会默认操作pod setup,然而由于中国强大的墙可能会pod setup不成功。这时就需要手动执行pod setup指令,如下:

  • 终端输入:pod setup
    会出现Setting up CocoaPods master repo,稍等几十秒,最底下会输出Setup completed。说明执行pod setup成功。
  • 如果pod search操作还是搜索失败,如下:
    终端输入:pod search AFNetworking
    输出:Unable to find a pod with name, author, summary, or descriptionmatching 'AFNetworking'这时就需要继续下面的步骤了。
  1. 删除~/Library/Caches/CocoaPods目录下的search_index.json文件

pod setup成功后,依然不能pod search,是因为之前你执行pod search生成了search_index.json,此时需要删掉。
终端输入:rm ~/Library/Caches/CocoaPods/search_index.json
删除成功后,再执行pod search
执行pod search
终端输入:pod search afnetworking(不区分大小写)
输出:Creating search index for spec repo 'master'.. Done!,稍等片刻······就会出现所有带有afnetworking字段的类库。

5)pod install库失败

Cloning into 'master'...
error: RPC failed; curl 56 SSLRead() return error -9806
fatal: The remote end hung up unexpectedly
fatal: early EOF
fatal: index-pack failed

解决办法:

$ brew remove git
$ brew remove curl
$ brew install openssl
$ brew install --with-openssl curl
$ brew install --with-brewed-curl --with-brewed-openssl git

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