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+# Gardening Tools |
+ |
+This directory is created for gathering all tools doing gardening in one place. |
+Every tools or script, big or small should go here, and over time, hopefully |
+we will have useful collection of tools that support every part of the |
+gardening work. |
+ |
+The current tools are: |
+ |
+#### compare_failures #### |
+Compares the test log of a build step with previous builds. Use this to detect |
+flakiness of failures, especially timeouts. |
+ |
+Usage: |
+ |
+ compare_failures.dart <stdio-url> |
+ |
+where `<stdio-url>` is a url for a test log (".../logs/stdio") from the |
+buildbot. |