jenkins提示：Failed to connect to repository : Error performing command: git ls-remote -h
jenkins服务器未安装git或者git版本过低
# rpm -qa | grep git linux-firmware-20150904-43.git6ebf5d5.el7.noarch net-tools-2.0-0.17.20131004git.el7.x86_64 lm_sensors-libs-3.4.0-4.20160601gitf9185e5.el7.x86_64 crontabs-1.11-6.20121102git.el7.noarch libglvnd-egl-1.0.1-0.8.git5baa1e5.el7.x86_64 screen-4.1.0-0.23.20120314git3c2946.el7_2.x86_64 libglvnd-1.0.1-0.8.git5baa1e5.el7.x86_64 libglvnd-glx-1.0.1-0.8.git5baa1e5.el7.x86_64 # yum install git -y
安装完成之后，再刷新后正常
