Travis-CI error with“eval pod install” [英] Travis-CI error with "eval pod install"

问题描述

我的 .travis.yml 档案：

 语言：客观-c 
 
 script：
 xctool -workspace ProjectName.xcworkspace -scheme ProjectName build -sdk iphonesimulator 
  

虽然Travis-CI正在建设该项目，但它表示：

  $ bundle --version 
 Bundler 1.7.4版
 $ xcodebuild -version -sdk 
 $ pod --version 
 0.34.4 
使用pod install安装Pods 
 $ pushd 。 
〜/ build / GabrielMassana / ProjectName-iOS 
 $ pod install 
  

安装pod的错误是：

 命令eval pod install失败。重试，2之3 
命令eval pod install失败。正在重试，3之3。
命令eval pod install失败了3次。 
命令pod install失败，并在1秒内退出。 
您的构建已停止。 
  

解决方案

我发现添加这一行解决了我的问题。

  before_install：
  -  rvm use system 
  -  sudo gem install cocoapods -v'0.39.0' 
  

所以我的最后 .travis.yml ：

 语言：objective-c 
 
 before_install：
  -  rvm use system 
  -  sudo gem install cocoapods -v'0.39.0'
 
脚本：
 xctool -workspace ProjectName.xcworkspace -scheme ProjectName build -sdk iphonesimulator 
  
 
 
可能有些Travis机器设置为运行旧版本（0.34.4）
 
 
 
 我也在我的博客中写了一篇关于Travis-CI的帖子。 
 
My .travis.yml file:
language: objective-c

script: 
    xctool -workspace ProjectName.xcworkspace -scheme ProjectName build -sdk iphonesimulator
While Travis-CI is building the project it says:
$ bundle --version
Bundler version 1.7.4
$ xcodebuild -version -sdk
$ pod --version
0.34.4
Installing Pods with 'pod install'
$ pushd .
~/build/GabrielMassana/ProjectName-iOS
$ pod install
While installing pods the error is:
The command "eval pod install" failed. Retrying, 2 of 3.
The command "eval pod install" failed. Retrying, 3 of 3.
The command "eval pod install" failed 3 times.
The command "pod install" failed and exited with 1 during .
Your build has been stopped.

解决方案
I discovered that adding this lines solves my problem.    
before_install:
    - rvm use system
    - sudo gem install cocoapods -v '0.39.0'  
So my final .travis.yml file:
language: objective-c

before_install:
   - rvm use system
   - sudo gem install cocoapods -v '0.39.0'  

script: 
    xctool -workspace ProjectName.xcworkspace -scheme ProjectName build -sdk iphonesimulator
Now cocoapods finish installing.

Probably some Travis machines are set up to run with an old version (0.34.4)

I also wrote a post in my blog about Travis-CI.

                        
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