使用Jenkins时如果GIT_COMMIT无变化该怎么办

使用Jenkins时如果GIT_COMMIT无变化该怎么办，相信很多没有经验的人对此束手无策，为此本文总结了问题出现的原因和解决方法，通过这篇文章希望你能解决这个问题。

使用Jenkins时，如果GIT_COMMIT无变化，跳过构建

使用插件： conditional-buildstep

A buildstep wrapping any number of other buildsteps, controlling their execution based on a defined condition (e.g. BuildParameter).

wiki： https://wiki.jenkins-ci.org/display/JENKINS/Conditional+BuildStep+Plugin

如下图所示，如果环境变量GIT_PREVIOUS_SUCCESSFUL_COMMIT不存在，或者GIT_COMMIT和GIT_PREVIOUS_SUCCESSFUL_COMMIT不同，才会执行构建

上图中脚本如下：

#!/bin/bashif [ ! $GIT_PREVIOUS_SUCCESSFUL_COMMIT ];then    echo "GIT_PREVIOUS_SUCCESSFUL_COMMIT is not exists."    exit 0else    echo "GIT_COMMIT=[$GIT_COMMIT],GIT_PREVIOUS_SUCCESSFUL_COMMIT=[$GIT_PREVIOUS_SUCCESSFUL_COMMIT]"    if [ $GIT_PREVIOUS_SUCCESSFUL_COMMIT == $GIT_COMMIT ];then        echo "GIT_COMMIT is equals to GIT_PREVIOUS_SUCCESSFUL_COMMIT,skip build."        exit -1    else            echo "GIT_COMMIT is not equals to GIT_PREVIOUS_SUCCESSFUL_COMMIT"        exit 0    fifi

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