rules.pl: add Trust+2 check and disallow self-code-review

For golang/go#40699.

Change-Id: I681f08cb84aa9bf4b227188594ea02c2727b3697
Reviewed-on: https://go-review.googlesource.com/c/All-Projects/+/254799
Reviewed-by: Andrew Bonventre <andybons@google.com>
1 file changed
tree: bbee5a5a50efbcc783a83c808df5d1f0ee7aa950
  1. groups
  2. project.config
  3. rules.pl
  4. rules.pl.old