pod update

[!] Failed to connect to GitHub to update the CocoaPods/Specs specs repo - Please check if you are offline, or that GitHub is down"
找了一圈資料,嘗試了估計(jì)不下5種方案,最后解決記錄如下:
總結(jié)起來就是:
update openssl, then ruby, then cocoapod.
一、升級(jí)openssl,先看版本
openssl version
輸出:LibreSSL 1.9.8
2、輸入
/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
可能會(huì)要你在回車一下,點(diǎn)擊回車鍵
正常輸出:

錯(cuò)誤提示:
zsh: command not found: brew解決方法:mac 安裝homebrew,
用以下命令安裝,序列號(hào)選擇中科大(1)的
/bin/zsh -c "$(curl -fsSL https://gitee.com/cunkai/HomebrewCN/raw/master/Homebrew.sh)"
安裝了還更什么新
下頭有Ruby安裝和pod更新愛裝不裝
沒有事了就滾犢子!好好敲代碼
3、更新brew
brew update
ps:如果提示:Error: /usr/local must be writable! 點(diǎn)進(jìn)去查看解決步驟
4、install openssl
brew install openssl
brew upgrade openssl
5、輸入
which openssl
echo 'export PATH="/usr/local/opt/openssl/bin:$PATH"' >> ~/.bash_profile
echo 'export PATH="/usr/local/opt/openssl/bin:$PATH"' >> ~/.bash_profile
再次查看version
which openssl
輸出:/usr/local/opt/openssl/bin/openssl
openssl version
輸出:LibreSSL 2.8.3
二、到這里,openssl就更新完成了,下面更新ruby,輸入如下:
brew install rbenv ruby-build
echo 'export PATH="
PATH"' >> ~/.bash_profile
echo 'if which rbenv > /dev/null; then eval "$(rbenv init -)"; fi' >> ~/.bash_profile
source ~/.bash_profile
查看當(dāng)前ruby版本:
ruby --version
輸出:ruby 2.0.0p648 (2015-12-16 revision 53162) [universal.x86_64-darwin16]
我們需要更新到最新的版本,先查看最新版本列表
rvm list known
大概如下,能看到一片內(nèi)容,找到當(dāng)前最新到2.7.1

輸入:
rvm install 2.7
如果報(bào)錯(cuò):Error running 'requirements_osx_brew_update_system ruby-2.4.1,參考:http://www.cnblogs.com/yajunLi/p/8484607.html
更新完,查看版本:
ruby --version
輸出:ruby 2.4.1p111 (2017-03-22 revision 58053) [x86_64-darwin16]
三、最后,更新cocoapods
1、先更新gem
gem install cocoapods -n /usr/local/bin
查看現(xiàn)在到pod版本

四、最后
到這里就結(jié)束了,重啟項(xiàng)目,新開一個(gè)終端窗口,按正常流程走,執(zhí)行pod update 試試呢