[JIRA] [cppcheck] (JENKINS-24076) Incorrect builds used to generate deltas (No deltas for builds fixed after failure where errors were introduced)

Wed, 10 Sep 2014 11:47:33 -0700

I understand WHAT you want but I don't understand WHY you want it. Your usage patter is from the very special ones.

As I understand you have a set of issues reported by Cppcheck, let's say 100 of them, which you want to just ignore and never fix. So you set a threshold to make the build unstable if there is more than 100 issues. And you want to update the plugin to see all issues that don't belong to the 100 known ones in the latest build. You are also dropping the history off time to time so you are not sure which issues were the 100 original ones, but you know there were 100 of them. Correct?

My suggestion was to analyze that 100 issues and use --inline-suppr, --suppress or --suppressions-list cppcheck arguments to hide them. Cppcheck would report no issues instead of 100 now and any issue present in the latest build would be in "to fix" category. Does it make sense?

Questions:

  • What should happen in your proposal if unit tests (or whatever else) make the build unstable instead of Cppcheck?
  • What to do with the missing history containing the last stable build, do you plan to change data model to store the deltas too?
  • If somebody fixes one of the 100 original issues by happy accident, the threshold should be updated to 99. Newly introduced issue may be a serious memory leak or whatever but the build will be still reported as stable and the "delta with last stable build" approach will seriously fail.

Feel free to create a feature branch for this task and send a pull request.

That's just my two cents.
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