Change message

src/main/java/com/google/devtools/build/lib/rules/repository/RepositoryDelegatorFunction.java

@@ -722,7 +722,9 @@ private static Map<RepoRecordedInput, String> readMarkerFile(
             // Break early, need to reload anyway. This also detects marker file version changes
             // so that unknown formats are not parsed.
             return ImmutableMap.of(
-                new RepoRecordedInput.NeverUpToDateRepoRecordedInput("repo rule changed"), "");
+                new RepoRecordedInput.NeverUpToDateRepoRecordedInput(
+                    "Bazel version, flags, repo rule definition or attributes changed"),
+                "");
           }
           firstLineVerified = true;
           recordedInputValues = new TreeMap<>();

src/test/py/bazel/bzlmod/bazel_vendor_test.py

@@ -462,7 +462,7 @@ def testBuildingOutOfDateVendoredRepo(self):
     # external and not a symlink
     self.assertIn(
         "WARNING: <builtin>: Vendored repository '+ext+justRepo' is"
-        ' out-of-date (repo rule changed). The up-to-date version will be fetched into the external'
+        ' out-of-date (Bazel version, flags, repo rule definition or attributes changed). The up-to-date version will be fetched into the external'
         ' cache and used. To update the repo in the vendor directory, run'
         ' the bazel vendor command',
         stderr,
@@ -549,7 +549,7 @@ def testBuildingVendoredRepoWithNoFetch(self):
     )
     self.assertIn(
         "WARNING: <builtin>: Vendored repository '+ext+venRepo' is"
-        ' out-of-date (repo rule changed) and fetching is disabled. Run build without the'
+        ' out-of-date (Bazel version, flags, repo rule definition or attributes changed) and fetching is disabled. Run build without the'
         " '--nofetch' option or run the bazel vendor command to update it",
         stderr,
     )