fix problem

src/main.rs

@@ -150,7 +150,7 @@ async fn git_main(web::Path((owner, reponame)): web::Path<(String, String)>, web
 }
 //#[get("/git/{owner}/{repo}.git/{path:.*}")]
 async fn git_proto(mut payload : web::Payload, web::Path((owner, reponame)): web::Path<(String, String)>, mut req: HttpRequest) -> io::Result<HttpResponse>{
-    println!("enter git_proto");
+    //println!("enter git_proto");
     let mut cmd = Command::new("git");
     cmd.arg("http-backend");
 
@@ -174,12 +174,12 @@ async fn git_proto(mut payload : web::Payload, web::Path((owner, reponame)): web
         .stdin(Stdio::piped());
     let mut p: Child = cmd.spawn()?;
     let mut input = p.stdin.take().unwrap();
-    println!("Displaying request...");
+    //println!("Displaying request...");
     while let Some(Ok(bytes)) = payload.next().await {
-        println!("request body : {}", String::from_utf8_lossy(bytes.bytes()));
+        //println!("request body : {}", String::from_utf8_lossy(bytes.bytes()));
         input.write_all(bytes.bytes()).await;
     }
-    println!("input sent");
+    //println!("input sent");
     let mut rdr = tokio::io::BufReader::new(p.stdout.take().unwrap());
 
     let mut headers = HashMap::new();
@@ -201,16 +201,16 @@ async fn git_proto(mut payload : web::Payload, web::Path((owner, reponame)): web
             .or_insert_with(Vec::new)
             .push(value.to_string());
     }
-    println!("response headers : {:?}", headers);
+    //println!("response headers : {:?}", headers);
 
     let status_code : u16 = {
         let line = headers.remove("Status").unwrap_or_default();
-        println!("{:?}", &line);
+        // println!("{:?}", &line);
         let line = line.into_iter().next().unwrap_or_default();
         let parts : Vec<&str> = line.split(' ').collect();
         parts.into_iter().next().unwrap_or("").parse().unwrap_or(200)
     };
-    println!("status code {}", status_code);
+    // println!("status code {}", status_code);
 
     let statusCode = match StatusCode::from_u16(status_code) {
         Ok(v) => {Ok(v)}
@@ -219,12 +219,12 @@ async fn git_proto(mut payload : web::Payload, web::Path((owner, reponame)): web
     let mut builder = HttpResponse::build(statusCode?);
     for (name, vec) in headers.iter() {
         for value in vec {
-            println!("entry : ({}, {})", name, value.clone());
+            // println!("entry : ({}, {})", name, value.clone());
             builder.header(name, value.clone());
         }
     }
 
-    println!("Write body...");
+    // println!("Write body...");
 
     let response = builder.streaming(ToStream(rdr));
     return Ok(response);

src/reader.rs

@@ -20,6 +20,14 @@ impl <T : tokio::io::AsyncRead> futures::Stream for ToStream<T>{
     fn poll_next(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Option<Self::Item>> {
         let mut buff: [u8; 1024] = [0; 1024];
         let mut t = self.get_field();
-        t.poll_read(cx, &mut buff[..]).map_ok(|l| {Bytes::copy_from_slice(&buff[0..l])}).map(|res| Some(res))
+        let poll = t.poll_read(cx, &mut buff[..]);
+        if let Poll::Ready(Ok(0)) = poll {
+            // println!("end of response");
+            return Poll::Ready(None);
+        } else {
+            let res = poll.map_ok(|l| {Bytes::copy_from_slice(&buff[0..l])}).map(|res| Some(res));
+            // println!("poll_next : {:?}", res);
+            return res;
+        }
     }
 }