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The Tree Sheriffs, aka Code Sheriffs

When Mozilla moved to the "inbound" model of tree management, the Tree Sheriffs became important stewards of our engineering infrastructure. The primary responsibility of the Sheriffs is to aid developers to easily, quickly, and seamlessly land their code in the proper location(s) and ensure that code does not break our automated tests. In the service of this objective, the Sheriffs work closely with the larger engineering organization to create and enforce landing policies that increase productivity while maintaining an efficient and robust automated testing system. Beyond the policy role, they have also become shepherds of automation quality by monitoring intermittent failures, performing uplifts and merges, and identifying poorly performing automation machines. A formal module for the Tree Sheriffs in the larger context of the Activities Module was created: Modules/Activities#Tree_Sheriffs.

Meet the Sheriffs

The owners & peers of the Tree Sheriffs module can be found on the module page, however for day-to-day sheriffduty coverage, look for the following people in #developers and #sheriffs. The on-duty sheriffs will typically have "|sheriffduty" appended to their Matrix nick.

  • UTC+2: 15 sheriffs from SoftVision in Romania on a rotating schedule
  • UTC+1: Sebastian Hengst [:Aryx] (staff/community)
  • UTC-8: Phil Ringnalda [:philor] (community)

We're always looking for more people to join the community team and help out - just drop us a message in the sheriffs Matrix channel or at the sheriffs mailing list!


For Developers

For Sheriffs