update

src/main/java/io/ib67/sfcraft/BackupCommands.java

@@ -1,7 +1,14 @@
 package io.ib67.sfcraft;
 
 import com.mojang.brigadier.Command;
+import com.mojang.brigadier.CommandDispatcher;
+import com.mojang.brigadier.arguments.StringArgumentType;
 import com.mojang.brigadier.context.CommandContext;
+import com.mojang.brigadier.suggestion.Suggestions;
+import com.mojang.brigadier.suggestion.SuggestionsBuilder;
+import net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents;
+import net.minecraft.command.CommandRegistryAccess;
+import net.minecraft.server.command.CommandManager;
 import net.minecraft.server.command.ServerCommandSource;
 import net.minecraft.text.ClickEvent;
 import net.minecraft.text.Text;
@@ -11,6 +18,10 @@ import java.io.IOException;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.util.Comparator;
+import java.util.concurrent.CompletableFuture;
+
+import static net.minecraft.server.command.CommandManager.argument;
+import static net.minecraft.server.command.CommandManager.literal;
 
 public class BackupCommands {
     protected final JustBackupMod mod;
@@ -111,10 +122,41 @@ public class BackupCommands {
     }
 
     public int cmdHelp(CommandContext<ServerCommandSource> serverCommandSourceCommandContext) {
+        // todo i18n
         return 0;
     }
 
     public int cmdCancelRestore(CommandContext<ServerCommandSource> serverCommandSourceCommandContext) {
+        restoreIssued = null;
+        serverCommandSourceCommandContext.getSource().sendMessage(Text.of("Operation cancelled."));
         return 0;
     }
+
+    public void registerCommand(
+            CommandDispatcher<ServerCommandSource> dispatcher,
+            CommandRegistryAccess registry, CommandManager.RegistrationEnvironment env) {
+        dispatcher.register(literal("backup")
+                .requires(it -> it.hasPermissionLevel(3))
+                .then(literal("help").executes(this::cmdHelp))
+                .then(literal("list").executes(this::cmdList))
+                .then(literal("cancelrestore").executes(this::cmdCancelRestore))
+                .then(literal("delete")
+                        .then(argument("backupName", StringArgumentType.greedyString())
+                                .suggests(this::suggestBackups)
+                                .executes(this::cmdDelete)))
+                .then(literal("restore")
+                        .then(argument("backupName", StringArgumentType.greedyString())
+                                .suggests(this::suggestBackups)
+                                .executes(this::cmdRestore)))
+                .then(literal("create").executes(this::cmdIssueBackup))
+                .then(literal("suspend").executes(this::cmdSuspend))
+        );
+    }
+
+    private CompletableFuture<Suggestions> suggestBackups(CommandContext<ServerCommandSource> serverCommandSourceCommandContext, SuggestionsBuilder suggestionsBuilder) {
+        for (Backup value : mod.tracker.getTrackedBackups().values()) {
+            suggestionsBuilder = suggestionsBuilder.suggest(value.backupKey());
+        }
+        return CompletableFuture.completedFuture(suggestionsBuilder.build());
+    }
 }

src/main/java/io/ib67/sfcraft/BackupWorker.java

@@ -12,7 +12,6 @@ import java.nio.file.Files;
 import java.nio.file.Path;
 import java.time.LocalDateTime;
 import java.time.format.DateTimeFormatter;
-import java.util.concurrent.Callable;
 import java.util.function.Supplier;
 
 import static io.ib67.sfcraft.JustBackupMod.PERFORMING_BACKUP;

src/main/java/io/ib67/sfcraft/JustBackupMod.java

@@ -5,6 +5,9 @@ import com.google.gson.GsonBuilder;
 import com.google.gson.reflect.TypeToken;
 import com.mojang.brigadier.CommandDispatcher;
 import com.mojang.brigadier.arguments.StringArgumentType;
+import com.mojang.brigadier.context.CommandContext;
+import com.mojang.brigadier.suggestion.Suggestions;
+import com.mojang.brigadier.suggestion.SuggestionsBuilder;
 import io.ib67.sfcraft.config.JustBackupConfig;
 import io.ib67.sfcraft.config.StorageOption;
 import io.ib67.sfcraft.config.serializer.StorageOptionSerializer;
@@ -104,7 +107,15 @@ public class JustBackupMod implements ModInitializer {
                 throw new RuntimeException(e);
             }
         });
-        CommandRegistrationCallback.EVENT.register(this::registerCommand);
+        var command = new BackupCommands(this);
+        CommandRegistrationCallback.EVENT.register(command::registerCommand);
+        ServerLifecycleEvents.SERVER_STOPPED.register(server -> {
+            scheduledBackupExecutor.shutdown();
+            if (command.restoreIssued != null) {
+                command.restoreIssued.run();
+            }
+            tracker.close();
+        });
     }
 
     public CompletableFuture<Backup> issueBackup() {
@@ -127,33 +138,6 @@ public class JustBackupMod implements ModInitializer {
         }
     }
 
-    private void registerCommand(
-            CommandDispatcher<ServerCommandSource> dispatcher,
-            CommandRegistryAccess registry, CommandManager.RegistrationEnvironment env) {
-        var commandHandler = new BackupCommands(this);
-        dispatcher.register(literal("backup")
-                .requires(it -> it.hasPermissionLevel(3))
-                .then(literal("help").executes(commandHandler::cmdHelp))
-                .then(literal("list").executes(commandHandler::cmdList))
-                .then(literal("cancelrestore").executes(commandHandler::cmdCancelRestore))
-                .then(literal("delete")
-                        .then(argument("backupName", StringArgumentType.greedyString())
-                                .executes(commandHandler::cmdDelete)))
-                .then(literal("restore")
-                        .then(argument("backupName", StringArgumentType.greedyString())
-                                .executes(commandHandler::cmdRestore)))
-                .then(literal("create").executes(commandHandler::cmdIssueBackup))
-                .then(literal("suspend").executes(commandHandler::cmdSuspend))
-        );
-        ServerLifecycleEvents.SERVER_STOPPED.register(server -> {
-            scheduledBackupExecutor.shutdown();
-            if (commandHandler.restoreIssued != null) {
-                commandHandler.restoreIssued.run();
-            }
-            tracker.close();
-        });
-    }
-
     private BackupStrategy createStrategy() {
         return switch (config.option()) {
             case StorageOption.Local local -> new LocalBackupStrategy(local);
@@ -161,7 +145,6 @@ public class JustBackupMod implements ModInitializer {
         };
     }
 
-
     @SneakyThrows
     private void saveConfig(Path configPath) {
         LOGGER.info("Saving default configuration");

src/main/java/io/ib67/sfcraft/bundler/Bundle.java

@@ -2,7 +2,6 @@ package io.ib67.sfcraft.bundler;
 
 import com.github.luben.zstd.ZstdOutputStreamNoFinalizer;
 import io.ib67.sfcraft.WorldDir;
-import io.netty.buffer.Unpooled;
 import lombok.Data;
 import lombok.SneakyThrows;
 import lombok.experimental.Accessors;
@@ -16,7 +15,6 @@ import java.nio.channels.FileChannel;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.StandardOpenOption;
-import java.util.Arrays;
 import java.util.List;
 
 @Accessors(fluent = true)

src/main/java/io/ib67/sfcraft/bundler/SerialBundlerWriter.java

@@ -1,13 +1,11 @@
 package io.ib67.sfcraft.bundler;
 
-import com.github.luben.zstd.ZstdOutputStreamNoFinalizer;
 import lombok.AllArgsConstructor;
 import lombok.Getter;
 
 import java.io.Closeable;
 import java.io.IOException;
 import java.io.OutputStream;
-import java.nio.ByteBuffer;
 import java.nio.channels.Channels;
 import java.nio.channels.FileChannel;
 import java.nio.file.Files;

src/main/java/io/ib67/sfcraft/strategy/S3BackupStrategy.java

@@ -57,7 +57,6 @@ public class S3BackupStrategy implements BackupStrategy {
                         .contentType("application/octet-stream")
                         .ifNoneMatch("*") // to avoid content overriding
                         .key(object).build(), pathToBundle);
-                //todo also calculate sha?
                 return new Backup(pathToBundle.getFileName().toString(),
                         object, "s3",
                         from.toString(),