expose md5 in download output

Cargo.lock

@@ -338,6 +338,12 @@ version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7f24254aa9a54b5c858eaee2f5bccdb46aaf0e486a595ed5fd8f86ba55232a70"
 
+[[package]]
+name = "hex_fmt"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b07f60793ff0a4d9cef0f18e63b5357e06209987153a64648c972c1e5aff336f"
+
 [[package]]
 name = "itoa"
 version = "1.0.10"
@@ -711,6 +717,7 @@ dependencies = [
  "clap",
  "dashmap",
  "hex",
+ "hex_fmt",
  "md-5",
  "rumqttc",
  "serde",

Cargo.toml

@@ -21,3 +21,4 @@ md-5 = "0.10.6"
 
 [dev-dependencies]
 clap = { version = "4.4.18", features = ["derive"] }
+hex_fmt = "0.3.0"

examples/backup.rs

@@ -1,4 +1,5 @@
 use clap::Parser;
+use hex_fmt::HexFmt;
 pub use tasmota_mqtt_client::{Result, TasmotaClient};
 
 #[derive(Debug, Parser)]
@@ -23,7 +24,7 @@ async fn main() -> Result<()> {
         .download_config(&args.device, &args.device_password)
         .await?;
 
-    println!("downloaded {}", file.name);
+    println!("downloaded {} with hash {}", file.name, HexFmt(file.md5));
     if let Err(e) = std::fs::write(&file.name, file.data) {
         eprintln!("Error while saving {}: {:#}", file.name, e);
     }

src/download.rs

@@ -27,6 +27,7 @@ struct DownloadState {
 pub struct DownloadedFile {
     pub name: String,
     pub data: Bytes,
+    pub md5: [u8; 16],
 }
 
 #[derive(Deserialize, Debug)]
@@ -131,5 +132,6 @@ pub async fn download_config(
     Ok(DownloadedFile {
         name: state.name,
         data: state.data.freeze(),
+        md5: state.md5,
     })
 }