Scripts has a policy of formal code review on Zephyr. Commit messages are zephyred to -c scripts -i r[number], with the actual diff sent to -c scripts-auto -i commits. Commits are also emailed to scripts-commits@mit.edu. All commits should be reviewed by another scripts-team member before they are deployed. The following designations are in use, with the following meanings: "+1": I have reviewed and approve of this commit. "+0": I've glanced at the commit and it seems okay. "-0": I have mild issues with this commit, but am fine with it going in as-is and no further action being taken. "-1": I do not approve of this commit, it needs more work. This designation must include an explanation of the objection, and will likely result in further action being taken either by the committer or the reviewer to improve the commit. "-1, revert": I do not approve of this commit, and believe it to be actively harmful to the project, such as introducing a security hole. This designation must include an explanation of the objection. The committer should revert the commit. Reviewers should strive to give non-zero reviews whenever possible.