问题：

  1. fatal: git fetch-pack: expected shallow list
  2. fatal: The remote end hung up unexpectedly
  3. ERROR: Job failed: exit status 1

解决方法：

  1. #安装源
  2. yum install http://opensource.wandisco.com/centos/7/git/x86_64/wandisco-git-release-7-2.noarch.rpm
  3. #安装git
  4. yum install git
  5. #更新git
  6. yum update git