Add --incompatible_disable_data_transition for 'cfg = "data"' Skylark calls

PiperOrigin-RevId: 202400312

src/test/java/com/google/devtools/build/lib/packages/SkylarkSemanticsConsistencyTest.java

diff --git a/src/test/java/com/google/devtools/build/lib/packages/SkylarkSemanticsConsistencyTest.java b/src/test/java/com/google/devtools/build/lib/packages/SkylarkSemanticsConsistencyTest.java
index 8d6e217..fc30103 100644
--- a/src/test/java/com/google/devtools/build/lib/packages/SkylarkSemanticsConsistencyTest.java
+++ b/src/test/java/com/google/devtools/build/lib/packages/SkylarkSemanticsConsistencyTest.java
@@ -124,6 +124,7 @@
         "--incompatible_depset_is_not_iterable=" + rand.nextBoolean(),
         "--incompatible_depset_union=" + rand.nextBoolean(),
         "--incompatible_disable_objc_provider_resources=" + rand.nextBoolean(),
+        "--incompatible_disallow_data_transition=" + rand.nextBoolean(),
         "--incompatible_disallow_dict_plus=" + rand.nextBoolean(),
         "--incompatible_disallow_filetype=" + rand.nextBoolean(),
         "--incompatible_disallow_legacy_javainfo=" + rand.nextBoolean(),
@@ -150,6 +151,7 @@
         .incompatibleDepsetIsNotIterable(rand.nextBoolean())
         .incompatibleDepsetUnion(rand.nextBoolean())
         .incompatibleDisableObjcProviderResources(rand.nextBoolean())
+        .incompatibleDisallowDataTransition(rand.nextBoolean())
         .incompatibleDisallowDictPlus(rand.nextBoolean())
         .incompatibleDisallowFileType(rand.nextBoolean())
         .incompatibleDisallowLegacyJavaInfo(rand.nextBoolean())

src/test/java/com/google/devtools/build/lib/skylark/SkylarkRuleClassFunctionsTest.java

diff --git a/src/test/java/com/google/devtools/build/lib/skylark/SkylarkRuleClassFunctionsTest.java b/src/test/java/com/google/devtools/build/lib/skylark/SkylarkRuleClassFunctionsTest.java
index 1f75b1e..14d4de5 100644
--- a/src/test/java/com/google/devtools/build/lib/skylark/SkylarkRuleClassFunctionsTest.java
+++ b/src/test/java/com/google/devtools/build/lib/skylark/SkylarkRuleClassFunctionsTest.java
@@ -570,6 +570,20 @@
   }
 
   @Test
+  public void incompatibleDataTransition() throws Exception {
+    ev = createEvaluationTestCase(
+        SkylarkSemantics.DEFAULT_SEMANTICS
+            .toBuilder()
+            .incompatibleDisallowDataTransition(true)
+            .build());
+    ev.initialize();
+    EvalException expected =
+        assertThrows(EvalException.class, () -> eval("attr.label(cfg = 'data')"));
+    assertThat(expected).hasMessageThat().contains(
+        "Using cfg = \"data\" on an attribute is a noop and no longer supported");
+  }
+
+  @Test
   public void testAttrValues() throws Exception {
     Attribute attr = buildAttribute("a1", "attr.string(values = ['ab', 'cd'])");
     PredicateWithMessage<Object> predicate = attr.getAllowedValues();