Is this the correct way to manage multiple SCM triggered builds?

[Brent Scriver]

For reference I'm on Jenkins 1.601 with Perforce Plugin v1.3.27.

I have a polling interval set for H/5 * ... for Perforce SCM changes on a Job in Jenkins.  I also have enabled concurrent builds for the job.

If multiple checkins occur during the polling interval then multiple instances of the Job are started. The odd part is one job has all of the changes and the others are no different than the first.

What I would like to see is either one job started for each changelist (so they all get verified with tests) or one job started for all changes submitted in the interval only.

It seems like either solution would require a separate job to poll Perforce then run a script to analyze the changes and spin up any other job(s) rather than relying on the Perforce SCM Plugin + Jenkins internal logic.

Is this correct?

Thank you,

Brent

[Ginga, Dick]

A Perforce-side trigger (change-submit) would run once for each checkin and provide the single associated changelist to sync to. I think this will give you a one-to-one job execution

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[Brent Scriver]

Cool, thank you! I take it that won't work though if Jenkins is unavailable for some reason however right? While polling would pick up changes when Jenkins returns?

Thank you!

Brent

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[Ginga, Dick]

That’s true, if my Jenkins is ever down, I have a problem.

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[Stephen Connolly]

Which is typically why you set polling for `@daily` and use push notification as the primary driver

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