Most Jenkins way to compare files between builds?

[Rob Gulley]

Each build runs test cases which compiles the state to a single text file (e.g. test1=Fail, test2=Pass)

What I want to do is diff THIS build's text file to the MOST recent (i.e. BUILD_NUM-1) build's text file. If any tests went from Pass->Fail, then the developer who triggered the change gets a nagging email.

I believe the dirty approach would be to write a script (Python, Groovy, whatever) that is aware of the filesystem underneath Jenkins to find the location of the previous build's file. That seems hacky to me, but maybe it's not. I've been browsing the plugin repository and lurking some forums but I haven't found a satisfying answer to this.

What are your thoughts?

[Victor Martinez]

Hi,

 If I recall correctly, you can use: 

https://wiki.jenkins-ci.org/display/JENKINS/Email-ext+plugin

There are a bunch of different triggers:

- https://github.com/jenkinsci/email-ext-plugin/tree/master/src/main/java/hudson/plugins/emailext/plugins/trigger

And you can send email to different people: https://wiki.jenkins-ci.org/display/JENKINS/Email-ext+plugin#Email-extplugin-Triggers

Cheers