升級CocoaPods的步驟和安裝的時候差不多，具體參考如下步驟:

1. 首先我們可以查看下當(dāng)前的版本號命令如下:

pod --version1.2.0 // 本機安裝的版本 復(fù)制代碼

2. 在升級之前我們需要了解當(dāng)前安裝的Ruby源地址：

gem source -l*** CURRENT SOURCES ***http://rubygems.org/ https://gems.ruby-china.org/ https://ruby.taobao.org/ 復(fù)制代碼

上面我已經(jīng)添加過新的源

3. 移除淘寶的Ruby源，添加一個新的源（注意：目前淘寶的源已經(jīng)不能用了）

// 移除舊的源 gem sources --remove https://ruby.taobao.org/ https://ruby.taobao.org/ removed from sources// 添加新的源 gem sources -a https://gems.ruby-china.org/ // 因為已經(jīng)添加過了 source https://gems.ruby-china.org/ already present in the cache 復(fù)制代碼

4. 查看新的源是否添加成功，使用的命令和步驟2一樣

gem source -l*** CURRENT SOURCES ***https://gems.ruby-china.org/ 復(fù)制代碼

5. 開始安裝，輸入如下命令：

sudo gem install cocoapodsPassword: Fetching: cocoapods-core-1.5.0.gem (100%) Successfully installed cocoapods-core-1.5.0 Fetching: claide-1.0.2.gem (100%) Successfully installed claide-1.0.2 Fetching: cocoapods-deintegrate-1.0.2.gem (100%) Successfully installed cocoapods-deintegrate-1.0.2 Fetching: cocoapods-downloader-1.2.0.gem (100%) Successfully installed cocoapods-downloader-1.2.0 Fetching: netrc-0.11.0.gem (100%) Successfully installed netrc-0.11.0 Fetching: cocoapods-trunk-1.3.0.gem (100%) Successfully installed cocoapods-trunk-1.3.0 Fetching: molinillo-0.6.5.gem (100%) Successfully installed molinillo-0.6.5 Fetching: atomos-0.1.2.gem (100%) Successfully installed atomos-0.1.2 Fetching: colored2-3.1.2.gem (100%) Successfully installed colored2-3.1.2 Fetching: nanaimo-0.2.5.gem (100%) Successfully installed nanaimo-0.2.5 Fetching: xcodeproj-1.5.7.gem (100%) Successfully installed xcodeproj-1.5.7 Fetching: ruby-macho-1.1.0.gem (100%) Successfully installed ruby-macho-1.1.0 Fetching: cocoapods-1.5.0.gem (100%) Successfully installed cocoapods-1.5.0 Parsing documentation for cocoapods-core-1.5.0 Installing ri documentation for cocoapods-core-1.5.0 Parsing documentation for claide-1.0.2 Installing ri documentation for claide-1.0.2 Parsing documentation for cocoapods-deintegrate-1.0.2 Installing ri documentation for cocoapods-deintegrate-1.0.2 Parsing documentation for cocoapods-downloader-1.2.0 Installing ri documentation for cocoapods-downloader-1.2.0 Parsing documentation for netrc-0.11.0 Installing ri documentation for netrc-0.11.0 Parsing documentation for cocoapods-trunk-1.3.0 Installing ri documentation for cocoapods-trunk-1.3.0 Parsing documentation for molinillo-0.6.5 Installing ri documentation for molinillo-0.6.5 Parsing documentation for atomos-0.1.2 Installing ri documentation for atomos-0.1.2 Parsing documentation for colored2-3.1.2 Installing ri documentation for colored2-3.1.2 Parsing documentation for nanaimo-0.2.5 Installing ri documentation for nanaimo-0.2.5 Parsing documentation for xcodeproj-1.5.7 Installing ri documentation for xcodeproj-1.5.7 Parsing documentation for ruby-macho-1.1.0 Installing ri documentation for ruby-macho-1.1.0 Parsing documentation for cocoapods-1.5.0 Installing ri documentation for cocoapods-1.5.0 Done installing documentation for cocoapods-core, claide, cocoapods-deintegrate, cocoapods-downloader, netrc, cocoapods-trunk, molinillo, atomos, colored2, nanaimo, xcodeproj, ruby-macho, cocoapods after 9 seconds 13 gems installed 復(fù)制代碼

報錯:

• Operation not permitted - /usr/bin/xcodeproj

  解決辦法：sudo gem install -n /usr/local/bin cocoapods 復(fù)制代碼

• While executing gem ... (TypeError) no implicit conversion of nil into String

  // 解決辦法是執(zhí)行如下命令更新gem sudo gem update --system 復(fù)制代碼

6. 再次查看下CocoaPods的版本，已經(jīng)成功升級咯！

pod --version1.5.0 復(fù)制代碼

總結(jié)

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