Show config file's path or read error

src/command.rs

@@ -174,8 +174,17 @@ impl Updater {
         for file in packages_folder.read_dir()? {
             let file = packages_folder.join(file?.path()); // "default.yaml");
             let sys = std::fs::read_to_string(&file).unwrap();
-            let toto = serde_yaml::from_str(&sys).unwrap();
-            updater.systems.push(toto);
+            let sys = serde_yaml::from_str(&sys).map_err(|err| {
+                io::Error::new(
+                    io::ErrorKind::Other,
+                    format!(
+                        "Encontered an error while parsing config file {}: {}",
+                        file.display(),
+                        err
+                    ),
+                )
+            })?;
+            updater.systems.push(sys);
         }
 
         eprintln!("{:#?}", updater);