cache as an option

selfdrive/test/process_replay/test_processes.py

@@ -150,11 +150,15 @@ if __name__ == "__main__":
                       help="Updates reference logs using current commit")
   parser.add_argument("--upload-only", action="store_true",
                       help="Skips testing processes and uploads logs from previous test run")
+  parser.add_argument("--use-cache", action="store_true",
+                      help="Caches log files")
   parser.add_argument("-j", "--jobs", type=int, default=1)
   args = parser.parse_args()
 
   full_test = all(len(x) == 0 for x in (args.whitelist_procs, args.whitelist_cars, args.blacklist_procs, args.blacklist_cars, args.ignore_fields, args.ignore_msgs))
   upload = args.update_refs or args.upload_only
+  if args.use_cache:
+    os.environ["FILEREADER_CACHE"] = "1"
   os.makedirs(os.path.dirname(FAKEDATA), exist_ok=True)
 
   if upload: