折腾：
［已解决］gem install cocoapods出错：ERROR Could not find a valid gem cocoapods >= 0
期间，用：
sudo gem install cocoapods
去安装时，结果出错：
licrifandeMacBook-Pro:inquzhou crifan$ sudo gem install cocoapods Fetching: colored-1.2.gem (100%) Successfully installed colored-1.2 Fetching: claide-0.9.1.gem (100%) Successfully installed claide-0.9.1 Fetching: thread_safe-0.3.5.gem (100%) Successfully installed thread_safe-0.3.5 Fetching: tzinfo-1.2.2.gem (100%)Fetching: tzinfo-1.2.2.gem Successfully installed tzinfo-1.2.2 Fetching: minitest-5.8.4.gem (100%) Successfully installed minitest-5.8.4 Fetching: i18n-0.7.0.gem (100%) Successfully installed i18n-0.7.0 Fetching: activesupport-4.2.6.gem (100%) Successfully installed activesupport-4.2.6 Fetching: xcodeproj-0.28.2.gem (100%) ERROR: While executing gem … (Errno::EPERM) Operation not permitted – /usr/bin/xcodeproj |
［解决过程］
1.去把源换成速度更快的淘宝的：
先去更新一下源：
licrifandeMacBook-Pro:inquzhou crifan$ gem sources –add https://ruby.taobao.org/ https://ruby.taobao.org/ added to sources licrifandeMacBook-Pro:inquzhou crifan$ gem sources –remove http://rubygems.org/ http://rubygems.org/ removed from sources licrifandeMacBook-Pro:inquzhou crifan$ gem sources -l *** CURRENT SOURCES *** licrifandeMacBook-Pro:inquzhou crifan$ |
结果问题依旧。
2.搜：
ERROR While executing gem Errno EPERM Operation not permitted /usr/bin/xcodeproj
安装Cocoapods， 更新gem出现的问题。 – SegmentFault
OS X 10.11 安装Cocoapods 出现问题的解决方法 – NSNirvana的博客 – 博客频道 – CSDN.NET
cocoapods – Cocoa Pods not updating pods on El Capitan – Stack Overflow
CocoaPods Guides – Getting Started
去试试：
sudo gem install -n /usr/local/bin cocoapods
结果就可以了：
licrifandeMacBook-Pro:inquzhou crifan$ sudo gem install -n /usr/local/bin cocoapods Password: Fetching: nap-1.1.0.gem (100%) Successfully installed nap-1.1.0 Fetching: fuzzy_match-2.0.4.gem (100%) Successfully installed fuzzy_match-2.0.4 Fetching: cocoapods-core-0.39.0.gem (100%) Successfully installed cocoapods-core-0.39.0 Successfully installed xcodeproj-0.28.2 Fetching: cocoapods-downloader-0.9.3.gem (100%) Successfully installed cocoapods-downloader-0.9.3 Fetching: cocoapods-plugins-0.4.2.gem (100%) Successfully installed cocoapods-plugins-0.4.2 Fetching: cocoapods-search-0.1.0.gem (100%) Successfully installed cocoapods-search-0.1.0 Fetching: cocoapods-stats-0.6.2.gem (100%) Successfully installed cocoapods-stats-0.6.2 Fetching: cocoapods-try-0.5.1.gem (100%) Successfully installed cocoapods-try-0.5.1 Fetching: netrc-0.7.8.gem (100%) Successfully installed netrc-0.7.8 Fetching: cocoapods-trunk-0.6.4.gem (100%) Successfully installed cocoapods-trunk-0.6.4 Fetching: molinillo-0.4.5.gem (100%) Successfully installed molinillo-0.4.5 Fetching: escape-0.0.4.gem (100%) Successfully installed escape-0.0.4 Fetching: cocoapods-0.39.0.gem (100%) Successfully installed cocoapods-0.39.0 Parsing documentation for nap-1.1.0 Installing ri documentation for nap-1.1.0 Parsing documentation for fuzzy_match-2.0.4 Installing ri documentation for fuzzy_match-2.0.4 Parsing documentation for cocoapods-core-0.39.0 Installing ri documentation for cocoapods-core-0.39.0 Parsing documentation for xcodeproj-0.28.2 Installing ri documentation for xcodeproj-0.28.2 Parsing documentation for cocoapods-downloader-0.9.3 Installing ri documentation for cocoapods-downloader-0.9.3 Parsing documentation for cocoapods-plugins-0.4.2 Installing ri documentation for cocoapods-plugins-0.4.2 Parsing documentation for cocoapods-search-0.1.0 Installing ri documentation for cocoapods-search-0.1.0 Parsing documentation for cocoapods-stats-0.6.2 Installing ri documentation for cocoapods-stats-0.6.2 Parsing documentation for cocoapods-try-0.5.1 Installing ri documentation for cocoapods-try-0.5.1 Parsing documentation for netrc-0.7.8 Installing ri documentation for netrc-0.7.8 Parsing documentation for cocoapods-trunk-0.6.4 Installing ri documentation for cocoapods-trunk-0.6.4 Parsing documentation for molinillo-0.4.5 Installing ri documentation for molinillo-0.4.5 Parsing documentation for escape-0.0.4 Installing ri documentation for escape-0.0.4 Parsing documentation for cocoapods-0.39.0 Installing ri documentation for cocoapods-0.39.0 14 gems installed licrifandeMacBook-Pro:inquzhou crifan$ |
［总结］
由于Mac中，即使是sudo的权限，都不允许直接操作写入/usr/bin
所以为了正常能安装cocoapods，则把安装路径设置为：
/usr/local/bin
（而不是默认的/usr/bin）
用：
sudo gem install -n /usr/local/bin cocoapods |
去安装，就可以正常安装了。
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