Remove duplicate info from create/update reserved list command output (#2020)

It was repeating the domain label twice for every reserved list entry. It used
to look like this:

baddies=baddies,FULLY_BLOCKED

core/src/main/java/google/registry/tools/CreateOrUpdateReservedListCommand.java

@@ -20,6 +20,7 @@ import google.registry.model.tld.label.ReservedList;
 import google.registry.model.tld.label.ReservedListDao;
 import google.registry.tools.params.PathParameter;
 import java.nio.file.Path;
+import java.util.stream.Collectors;
 import javax.annotation.Nullable;
 
 /**
@@ -69,4 +70,12 @@ public abstract class CreateOrUpdateReservedListCommand extends ConfirmingComman
     }
     return message;
   }
+
+  String outputReservedListEntries(ReservedList rl) {
+    return "["
+        + rl.getReservedListEntries().values().stream()
+            .map(rle -> String.format("(%s)", rle.toString()))
+            .collect(Collectors.joining(", "))
+        + "]";
+  }
 }

core/src/main/java/google/registry/tools/CreateReservedListCommand.java

@@ -28,7 +28,6 @@ import com.google.common.base.Strings;
 import google.registry.model.tld.label.ReservedList;
 import java.nio.file.Files;
 import java.util.List;
-import java.util.stream.Collectors;
 import org.joda.time.DateTime;
 
 /** Command to create a {@link ReservedList}. */
@@ -64,11 +63,8 @@ final class CreateReservedListCommand extends CreateOrUpdateReservedListCommand
             .setCreationTimestamp(now)
             .build();
 
-    String entries =
-        reservedList.getReservedListEntries().entrySet().stream()
-            .map(entry -> String.format("%s=%s", entry.getKey(), entry.getValue()))
-            .collect(Collectors.joining(", "));
-    return String.format("%s\nreservedListMap={%s}\n", reservedList, entries);
+    return String.format(
+        "%s\nreservedListMap=%s\n", reservedList, outputReservedListEntries(reservedList));
   }
 
   private static void validateListName(String name) {

core/src/main/java/google/registry/tools/UpdateReservedListCommand.java

@@ -22,7 +22,6 @@ import com.google.common.base.Strings;
 import google.registry.model.tld.label.ReservedList;
 import java.nio.file.Files;
 import java.util.List;
-import java.util.stream.Collectors;
 
 /** Command to safely update {@link ReservedList}. */
 @Parameters(separators = " =", commandDescription = "Update a ReservedList.")
@@ -52,17 +51,11 @@ final class UpdateReservedListCommand extends CreateOrUpdateReservedListCommand
     if (!existingReservedList
         .getReservedListEntries()
         .equals(reservedList.getReservedListEntries())) {
-      String oldEntries =
-          existingReservedList.getReservedListEntries().entrySet().stream()
-              .map(entry -> String.format("%s=%s", entry.getKey(), entry.getValue()))
-              .collect(Collectors.joining(", "));
-      String newEntries =
-          reservedList.getReservedListEntries().entrySet().stream()
-              .map(entry -> String.format("%s=%s", entry.getKey(), entry.getValue()))
-              .collect(Collectors.joining(", "));
       return String.format(
-          "Update reserved list for %s?\nOld List: %s\n New List: %s",
-          name, oldEntries, newEntries);
+          "Update reserved list for %s?\nOld list: %s\n New list: %s",
+          name,
+          outputReservedListEntries(existingReservedList),
+          outputReservedListEntries(reservedList));
     }
     return "No entity changes to apply.";
   }

core/src/test/java/google/registry/tools/CreateReservedListCommandTest.java

@@ -190,8 +190,8 @@ class CreateReservedListCommandTest
     command.init();
     assertThat(command.prompt())
         .contains(
-            "reservedListMap={baddies=baddies,FULLY_BLOCKED, "
-                + "ford=ford,FULLY_BLOCKED # random comment}");
+            "reservedListMap=[(baddies,FULLY_BLOCKED), "
+                + "(ford,FULLY_BLOCKED # random comment)]");
   }
 
   @Test
@@ -201,6 +201,6 @@ class CreateReservedListCommandTest
     CreateReservedListCommand command = new CreateReservedListCommand();
     command.input = tmpPath;
     command.init();
-    assertThat(command.prompt()).contains("reservedListMap={}");
+    assertThat(command.prompt()).contains("reservedListMap=[]");
   }
 }

core/src/test/java/google/registry/tools/UpdateReservedListCommandTest.java

@@ -130,5 +130,8 @@ class UpdateReservedListCommandTest
     command.init();
 
     assertThat(command.prompt()).contains("Update reserved list for xn--q9jyb4c_common-reserved?");
+    assertThat(command.prompt()).contains("Old list: [(helicopter,FULLY_BLOCKED)]");
+    assertThat(command.prompt())
+        .contains("New list: [(baddies,FULLY_BLOCKED), (ford,FULLY_BLOCKED # random comment)]");
   }
 }