Weex Project-> Error:Error: Command failed: pod update

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Question

Weex project run npm run ios(weex run ios)error：
Error:Error: Command failed: pod update

Answer

（1）update openssl, then ruby, then cocoapod.（Please select the operation according to your own situation.）

$ which openssl
/usr/bin/openssl

$ openssl version
OpenSSL 0.9.8zh 14 Jan 2016

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

$ brew update

$ brew install openssl

$ brew upgrade openssl

`` If you need to have this software first in your PATH run: echo 'export PATH="/usr/local/opt/openssl/bin:$PATH"' >> ~/.bash_profile

$ echo 'export PATH="/usr/local/opt/openssl/bin:$PATH"' >> ~/.bash_profile
$ source ~/.bash_profile

$ which openssl
/usr/local/opt/openssl/bin/openssl

$ openssl version
OpenSSL 1.0.2n  7 Dec 2017

$ brew install rbenv ruby-build

$ echo 'export PATH="$HOME/.rbenv/bin:$PATH"' >> ~/.bash_profile
$ echo 'if which rbenv > /dev/null; then eval "$(rbenv init -)"; fi' >> ~/.bash_profile
$ source ~/.bash_profile

$ rbenv install --list

Available versions:
 1.8.5-p52
 1.8.5-p113
 1.8.5-p114
 1.8.5-p115
 1.8.5-p231
 1.8.6
:
 2.5.0-rc1
 2.5.0
 2.5.1
 2.6.0-dev
:

$ rbenv install 2.5.1

$ rbenv versions
 system
* 2.5.1 (set by /Users/xiaoqiang/.rbenv/version)

$ ruby --version
ruby 2.5.1p57 (2018-03-29 revision 63029) [x86_64-darwin18]

$ rbenv global 2.5.1

$ rbenv versions
 system
* 2.5.1 (set by /Users/username/.rbenv/version)

$ ruby --version
ruby 2.5.1p57 (2018-03-29 revision 63029) [x86_64-darwin16]

$ gem install cocoapods -n /usr/local/bin

$ which pod
/usr/local/bin/pod

$ pod --version
1.5.3

（2）npm run ios(weex run ios)

If an error occurs:
{
stderr: xcode-select: error: tool 'xcodebuild' requires Xcode, but active developer directory '/Library/Developer/CommandLineTools' is a command line tools instance
run：
sudo xcode-select --switch /Applications/Xcode6-Beta.app/Contents/Developer/
(Tips：Xcode6-Beta.appis my Xcode version)
}
else
{

}

Success

中国式英语，应该能看懂吧，哈哈~