This adds a check to our continous integration tests that ensures that every single commit in a pull request has a Change-Id, and instructs you to add one if that check fails. This ensures all commits on GitHub are still compatible with Gerrit. Change-Id: I3fd753da5ab3ca6d6334a8e0eb574433aa1ca589 Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/72118 Tested-by: kokoro <noreply+kokoro@google.com> Reviewed-by: Jason Lowe-Power <power.jg@gmail.com> Maintainer: Jason Lowe-Power <power.jg@gmail.com> Maintainer: Bobby Bruce <bbruce@ucdavis.edu> Reviewed-by: Richard Cooper <richard.cooper@arm.com> Reviewed-by: Bobby Bruce <bbruce@ucdavis.edu>