Clarify how to update fixutres with Buck in failure message

Reviewed By: monicatang Differential Revision: D52552339 fbshipit-source-id: 275b02da563a9e6275684d8aafcd34ae77cc00fb
facebook · Jan 9, 2024 · 88c40b3 · 88c40b3
1 parent 8ef4b47
commit 88c40b3
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/compiler/crates/fixture-tests/src/lib.rs b/compiler/crates/fixture-tests/src/lib.rs
@@ -170,7 +170,9 @@ pub async fn test_fixture<T, U, V>(
                 .write_all(actual.as_bytes())
                 .unwrap();
         } else {
-            panic!("Snapshot did not match. Run with UPDATE_SNAPSHOTS=1 to update.");
+            panic!(
+                "Snapshot did not match. Run with UPDATE_SNAPSHOTS=1 to update.\nIf using Buck you can use `buck test <YOUR_TEST_TARGET> -- --env UPDATE_SNAPSHOTS=1"
+            );
         }
     }
 }