patch hash check

src/zsdiff.rs

@@ -2,6 +2,7 @@ mod utils;
 
 use clap::Parser;
 use std::collections::HashMap;
+use std::io::Write;
 use std::{fs, io};
 use utils::{Metadata, Zsdiff, get_hash};
 use walkdir::WalkDir;
@@ -21,7 +22,7 @@ async fn walk_dir(dir: String) -> HashMap<String, FileInfo> {
             continue;
         }
         let content = fs::read(path).unwrap();
-        let hash = get_hash(&content).await;
+        let hash = get_hash(content).await;
         let path_str = path.display().to_string();
         let file_info = FileInfo {
             relative_path: path_str[dir.len() + 1..].to_string(),
@@ -76,12 +77,10 @@ pub async fn zsdiff(
     let new_hashes = walk_dir(new).await;
     let compare_hashes = compare_hashes(old_hashes, new_hashes).await;
     let parts = compare_hashes.to_vec().await;
-    let file = fs::File::create(output_filename)?;
-    utils::compress_parts(parts, &file, level).await;
-    // let mut buf = Vec::new();
-    // file.read(&mut buf)?;
-    // let output_hash = get_hash(&buf).await;
-    // println!("{}", output_hash);
+    utils::compress_parts(parts, &fs::File::create(output_filename)?, level).await;
+    let output_hash = get_hash(fs::read(output_filename)?).await;
+    fs::File::create(format!("{}.md5", output_filename))?.write_all(output_hash.as_bytes())?;
+    println!("Zsdiff hash: {}", output_hash);
     Ok(())
 }
 
@@ -100,6 +99,5 @@ struct Args {
 #[tokio::main]
 async fn main() -> io::Result<()> {
     let args = Args::parse();
-    zsdiff(args.filename, args.old, args.new, args.compress_level).await?;
-    Ok(())
+    zsdiff(args.filename, args.old, args.new, args.compress_level).await
 }