nydus-image: merge main branch and remove unnecessary output

Author: cslinwang

src/bin/nydus-image/main.rs

@@ -780,10 +780,9 @@ fn main() -> Result<()> {
         Command::create(matches, &build_info)
     } else if let Some(matches) = cmd.subcommand_matches("chunkdict") {
         match matches.subcommand_name() {
-            Some("generate") => Command::chunkdict_generate(
-                matches.subcommand_matches("generate").unwrap(),
-                &build_info,
-            ),
+            Some("generate") => {
+                Command::chunkdict_generate(matches.subcommand_matches("generate").unwrap())
+            }
             _ => {
                 println!("{}", usage);
                 Ok(())
@@ -1202,7 +1201,7 @@ impl Command {
         OutputSerializer::dump(matches, build_output, build_info, compressor, version)
     }
 
-    fn chunkdict_generate(matches: &ArgMatches, build_info: &BuildTimeInfo) -> Result<()> {
+    fn chunkdict_generate(matches: &ArgMatches) -> Result<()> {
         let mut build_ctx = BuildContext {
             prefetch: Self::get_prefetch(matches)?,
             ..Default::default()
@@ -1337,14 +1336,14 @@ impl Command {
         let bootstrap_path = Self::get_bootstrap_storage(matches)?;
         let mut bootstrap_mgr = BootstrapManager::new(Some(bootstrap_path), None);
 
-        let output = Generator::generate(
+        Generator::generate(
             &mut build_ctx,
             &mut bootstrap_mgr,
             &mut blob_mgr,
             chunkdict_chunks,
             chunkdict_blobs,
         )?;
-        OutputSerializer::dump(matches, output, build_info).unwrap();
+        // OutputSerializer::dump(matches, output, build_info).unwrap();
         info!(
             "Chunkdict metadata is saved at: {:?}",
             matches