安装cocoapods(踩坑)

今天安装cocoapods遇到一些坑：

ERROR: Error installing cocoapods: activesupport requires Ruby version >= 2.2

在网上搜集到的解决办法：

1.移除现有的Ruby

gem sources –remove https://rubygems.org/

2.使用淘宝镜像

gem sources -a https://ruby.taobao.org/

3.验证当前ruby版本

gem sources -l

成功后提示：

* CURRENT SOURCES *
https://ruby.taobao.org/

4.开始安装cocoapods

sudo gem install cocoapods

这时候提示：

Fetching: i18n-0.7.0.gem (100%)

Successfully installed i18n-0.7.0

Fetching: thread_safe-0.3.5.gem (100%)

Successfully installed thread_safe-0.3.5

Fetching: tzinfo-1.2.2.gem (100%)

Successfully installed tzinfo-1.2.2

Fetching: minitest-5.9.0.gem (100%)

Successfully installed minitest-5.9.0

Fetching: concurrent-ruby-1.0.2.gem (100%)

Successfully installed concurrent-ruby-1.0.2

Fetching: activesupport-5.0.0.gem (100%)

ERROR: Error installing cocoapods:

activesupport requires Ruby version >= 2.2.2.

这个地方很坑，之前安装cocoapods一直是没有这个问题的，这里提示Ruby版本要大于或等于2.2.2

于是查看ruby版本：

ruby -v

ruby 2.0.0p648 (2015-12-16 revision 53162) [universal.x86_64-darwin15]

果然这里就要升级Ruby版本啦

查看目前的所有ruby版本：

rvm list known

如果提示command not found 请先安装rvm

curl -L get.rvm.io | bash -s stable

如果已安装会列出所有的ruby版本：

MRI Rubies [ruby-]1.8.6[-p420] [ruby-]1.8.7[-head] # security released
on head [ruby-]1.9.1[-p431] [ruby-]1.9.2[-p330] [ruby-]1.9.3[-p551]
[ruby-]2.0.0[-p648] [ruby-]2.1[.8] [ruby-]2.2[.4] [ruby-]2.3[.0]
[ruby-]2.2-head ruby-head

for forks use: rvm install ruby-head- –url
https://github.com/github/ruby.Git –branch 2.2

JRuby jruby-1.6[.8] jruby-1.7[.23] jruby[-9.0.5.0] jruby-head

Rubinius rbx-1[.4.3] rbx-2.3[.0] rbx-2.4[.1] rbx[-2.5.8] rbx-head
Opal opal

Minimalistic ruby implementation - ISO 30170:2012 mruby[-head]

Ruby Enterprise Edition ree-1.8.6 ree[-1.8.7][-2012.02]

GoRuby goruby

Topaz topaz

MagLev maglev[-head] maglev-1.0.0

Mac OS X Snow Leopard Or Newer macruby-0.10 macruby-0.11
macruby[-0.12] macruby-nightly macruby-head

IronRuby ironruby[-1.1.3] ironruby-head

这里我们安装2.2.2:

rvm install 2.2.2

终端运行结果：（如果直接成功请绕过homebrew的卸载安装）

Searching for binary rubies, this might take some time.
Found remote file
https://rvm_io.global.ssl.fastly.NET/binaries/osx/10.11/x86_64/ruby-2.2.2.tar.bz2
Checking requirements for osx.

About to install Homebrew, press Enter for default installation in/usr/local
type new path if you wish custom Homebrew installation (the path needs to be writable for user):

回车：

It appears Homebrew is already installed. If your intent is to reinstall you should do the following before running this installer again:

ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/uninstall)"

The current contents of /usr/local are .git Requirements installation failed with status: 1.

这里执行：

ruby -e “$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/uninstall)”

卸载home-brew

Warning: This script will remove: /Library/Caches/Homebrew/
/usr/local/.git/ Are you sure you want to uninstall Homebrew? [y/N] y
==> Removing Homebrew installation…
==> Removing empty directories…
==> Homebrew uninstalled! You may want to restore /usr/local’s original permissions sudo chmod 0755 /usr/local sudo chgrp wheel
/usr/local

再执行：

rvm install 2.2.2

提示：

Searching for binary rubies, this might take some time. Found remote file
https://rvm_io.global.ssl.fastly.Net/binaries/osx/10.11/x86_64/ruby-2.2.2.tar.bz2
Checking requirements for osx. About to install Homebrew, press
Enter for default installation in /usr/local, type new path if you
wish custom Homebrew installation (the path needs to be writable for user)

按回车：

==> This script will install: /usr/local/bin/brew /usr/local/Library/… /usr/local/share/doc/homebrew
/usr/local/share/man/man1/brew.1
/usr/local/share/zsh/site-functions/_brew
/usr/local/etc/bash_completion.d/brew Press RETURN to continue or any
other key to abort
==> /usr/bin/sudo /bin/mkdir /Library/Caches/Homebrew Password:

这里需要输入电脑密码：

==> /usr/bin/sudo /bin/chmod g+rwx /Library/Caches/Homebrew
==> /usr/bin/sudo /usr/sbin/chown haha /Library/Caches/Homebrew
==> Downloading and installing Homebrew… remote: Counting objects: 501, done. remote: Compressing objects: 100% (445/445), done. remote:
Total 501 (delta 29), reused 360 (delta 27), pack-reused 0 Receiving
objects: 100% (501/501), 787.83 KiB | 169.00 KiB/s, done. Resolving
deltas: 100% (29/29), done. From https://github.com/Homebrew/brew *
[new branch] master -> origin/master HEAD is now at 32f7e73
download_strategy: ensure fixed commit hash length
==> Tapping homebrew/core Cloning into ‘/usr/local/Library/Taps/homebrew/homebrew-core’… remote: Counting
objects: 3714, done. remote: Compressing objects: 100% (3598/3598),
done. remote: Total 3714 (delta 14), reused 2112 (delta 6),
pack-reused 0 Receiving objects: 100% (3714/3714), 2.88 MiB | 240.00
KiB/s, done. Resolving deltas: 100% (14/14), done. Checking
connectivity… done. Checking out files: 100% (3717/3717), done.
Tapped 3591 formulae (3,740 files, 9.0M)
==> Installation successful!
==> Next steps Run brew help to get started Further documentation: https://git.io/brew-docs
==> Homebrew has enabled anonymous aggregate user behaviour analytics Read the analytics documentation (and how to opt-out) here:
https://git.io/brew-analytics Installing requirements for osx.
Updating system….. Installing required packages: autoconf, automake,
libtool, pkg-config, libyaml, readline, libksba, openssl……..
Certificates in ‘/usr/local/etc/openssl/cert.pem’ are already up to
date. Requirements installation successful. ruby-2.2.2 - #configure
ruby-2.2.2 - #download % Total % Received % Xferd Average Speed
Time Time Time Current
                             Dload  Upload   Total   Spent    Left  Speed 100 6854k  100 6854k    0     0  61342      0  0:01:54  0:01:54
–:–:– 132k ruby-2.2.2 - #validate archive ruby-2.2.2 - #extract ruby-2.2.2 - #validate binary ruby-2.2.2 - #setup ruby-2.2.2 - #gemset
created /Users/haha/.rvm/gems/ruby-2.2.2@global ruby-2.2.2 -
importing gemset /Users/haha/.rvm/gemsets/global.gems…………………………
ruby-2.2.2 - #generating global wrappers…….. ruby-2.2.2 - #gemset
created /Users/haha/.rvm/gems/ruby-2.2.2 ruby-2.2.2 - #importing
gemsetfile /Users/haha/.rvm/gemsets/default.gems evaluated to empty
gem list ruby-2.2.2 - #generating default wrappers…….. Updating
certificates in ‘/etc/openssl/cert.pem’. mkdir: /etc/openssl:
Permission denied mkdir -p “/etc/openssl” failed, retrying with sudo
haha password required for ‘mkdir -p /etc/openssl’: and sudo mkdir
worked

这样ruby2.2.2就安装好了

现在就可以安装cocoapods啦：

sudo gem install cocoapods

看看这样cocoapods就安装成功了

Fetching: nap-1.1.0.gem (100%) Successfully installed nap-1.1.0
Fetching: fourflusher-0.3.2.gem (100%) Successfully installed
fourflusher-0.3.2 Fetching: escape-0.0.4.gem (100%) Successfully
installed escape-0.0.4 Fetching: colored-1.2.gem (100%) Successfully
installed colored-1.2 Fetching: concurrent-ruby-1.0.2.gem (100%)
Successfully installed concurrent-ruby-1.0.2 Fetching:
thread_safe-0.3.5.gem (100%) Successfully installed thread_safe-0.3.5
Fetching: tzinfo-1.2.2.gem (100%) Successfully installed tzinfo-1.2.2
Fetching: i18n-0.7.0.gem (100%) Successfully installed i18n-0.7.0
Fetching: activesupport-5.0.0.gem (100%) Successfully installed
activesupport-5.0.0 Fetching: claide-1.0.0.gem (100%) Successfully
installed claide-1.0.0 Fetching: xcodeproj-1.1.0.gem (100%)
Successfully installed xcodeproj-1.1.0 Fetching: molinillo-0.4.5.gem
(100%) Successfully installed molinillo-0.4.5 Fetching:
cocoapods-try-1.0.0.gem (100%) Successfully installed
cocoapods-try-1.0.0 Fetching: netrc-0.7.8.gem (100%) Successfully
installed netrc-0.7.8 Fetching: cocoapods-trunk-1.0.0.gem (100%)
Successfully installed cocoapods-trunk-1.0.0 Fetching:
cocoapods-stats-1.0.0.gem (100%) Successfully installed
cocoapods-stats-1.0.0 Fetching: cocoapods-search-1.0.0.gem (100%)
Successfully installed cocoapods-search-1.0.0 Fetching:
cocoapods-plugins-1.0.0.gem (100%) Successfully installed
cocoapods-plugins-1.0.0 Fetching: cocoapods-downloader-1.0.1.gem
(100%) Successfully installed cocoapods-downloader-1.0.1 Fetching:
cocoapods-deintegrate-1.0.0.gem (100%) Successfully installed
cocoapods-deintegrate-1.0.0 Fetching: fuzzy_match-2.0.4.gem (100%)
Successfully installed fuzzy_match-2.0.4 Fetching:
cocoapods-core-1.0.1.gem (100%) Successfully installed
cocoapods-core-1.0.1 Fetching: cocoapods-1.0.1.gem (100%) Successfully
installed cocoapods-1.0.1 Parsing documentation for nap-1.1.0
Installing ri documentation for nap-1.1.0 Parsing documentation for
fourflusher-0.3.2 Installing ri documentation for fourflusher-0.3.2
Parsing documentation for escape-0.0.4 Installing ri documentation for
escape-0.0.4 Parsing documentation for colored-1.2 Installing ri
documentation for colored-1.2 Parsing documentation for
concurrent-ruby-1.0.2 Installing ri documentation for
concurrent-ruby-1.0.2 Parsing documentation for thread_safe-0.3.5
Installing ri documentation for thread_safe-0.3.5 Parsing
documentation for tzinfo-1.2.2 Installing ri documentation for
tzinfo-1.2.2 Parsing documentation for i18n-0.7.0 Installing ri
documentation for i18n-0.7.0 Parsing documentation for
activesupport-5.0.0 Installing ri documentation for
activesupport-5.0.0 Parsing documentation for claide-1.0.0 Installing
ri documentation for claide-1.0.0 Parsing documentation for
xcodeproj-1.1.0 Installing ri documentation for xcodeproj-1.1.0
Parsing documentation for molinillo-0.4.5 Installing ri documentation
for molinillo-0.4.5 Parsing documentation for cocoapods-try-1.0.0
Installing ri documentation for cocoapods-try-1.0.0 Parsing
documentation for netrc-0.7. Installing ri documentation for
netrc-0.7. documentation for cocoapods-trunk-1.0.0 Installing ri
documentation for cocoapods-trunk-1.0.0 Parsing documentation for
cocoapods-stats-1.0.0 Installing ri documentation for
cocoapods-stats-1.0.0 Parsing documentation for cocoapods-search-1.0.0
Installing ri documentation for cocoapods-search-1.0.0 Parsing
documentation for cocoapods-plugins-1.0.0 Installing ri documentation
for cocoapods-plugins-1.0.0 Parsing documentation for
cocoapods-downloader-1.0.1 Installing ri documentation for
cocoapods-downloader-1.0.1 Parsing documentation for
cocoapods-deintegrate-1.0.0 Installing ri documentation for
cocoapods-deintegrate-1.0.0 Parsing documentation for
fuzzy_match-2.0.4 Installing ri documentation for fuzzy_match-2.0.4
Parsing documentation for cocoapods-core-1.0.1 Installing ri
documentation for cocoapods-core-1.0.1 Parsing documentation for
cocoapods-1.0.1 Installing ri documentation for cocoapods-1.0.1 Done
installing documentation for nap, fourflusher, escape, colored,
concurrent-ruby, thread_safe, tzinfo, i18n, activesupport, claide,
xcodeproj, molinillo, cocoapods-try, netrc, cocoapods-trunk,
cocoapods-stats, cocoapods-search, cocoapods-plugins,
cocoapods-downloader, cocoapods-deintegrate, fuzzy_match,
cocoapods-core, cocoapods after 146 seconds 23 gems installed

关于cocoapods的用法，我就不用再说了，如果不了解可以下载 IOS CocoaPods的安装与使用教程参考阅读。

安装cocoapods(踩坑)

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