LibraryConfiguration.java: extractDefaultedVersionSCMFS(): placeholder to get runVersion from SCMHead (needs practical confirmation) [JENKINS-69731]

Author: jimklimov

src/main/java/org/jenkinsci/plugins/workflow/libs/LibraryConfiguration.java

@@ -376,6 +376,10 @@ private String extractDefaultedVersionSCMFS(@NonNull SCM scm, @NonNull Run<?, ?>
                     "toString='" + head.toString() + "'");
         }
 
+        // TODO: Never saw this succeed getting an SCMRevision,
+        // so currently not blindly assigning runVersion:
+        //runVersion = head.getName();
+
         return runVersion;
     }