3 files changed, 20 insertions, 5 deletions
diff --git a/init/src/host/locale.rs b/init/src/host/locale.rs
index 6dc43b2..d955297 100644
--- a/init/src/host/locale.rs
+++ b/init/src/host/locale.rs
@@ -1,9 +1,22 @@
+// NOTE: Ts file contains setting localisation by environment variables
+// Main logic implemented but how i think it can contain with broken logic or checks
+// At least if check failed it set C.UTF8 (fallback locale) 
+// And why is std::env::set_var unsafe????
+
 use crate::host::timezone::set_timezone;
 use crate::log::{log_success, log_warning};
 use std::fs;
 use std::io::Write;
 use std::process::Command;
 
+/// Main function which setting system locale.
+/// 
+/// Logic && Checks
+/// 1. Reading /etc/default/locale to find needed language. 
+/// If it broken/has syntax errors skipping this step
+/// 2. Checking for locale avalible (also switching `-` and `_`), 
+/// if not uses fallback locale. 
+/// 
 pub fn set_locale(locale: Option<String>) -> Result<(), Box<dyn std::error::Error>> {
     let loc = match locale {
         Some(l) => l,
@@ -23,10 +36,10 @@ pub fn set_locale(locale: Option<String>) -> Result<(), Box<dyn std::error::Erro
                 }
             }
 
-            if let Ok(lang_env) = std::env::var("LANG") 
-                && !lang_env.is_empty() {
-                    return set_system_locale(&lang_env);
-                
+            if let Ok(lang_env) = std::env::var("LANG")
+                && !lang_env.is_empty()
+            {
+                return set_system_locale(&lang_env);
             }
             if locale_exists("C.UTF-8") {
                 "C.UTF-8".to_string()
diff --git a/init/src/host/set.rs b/init/src/host/set.rs
index 9550b29..b161930 100644
--- a/init/src/host/set.rs
+++ b/init/src/host/set.rs
@@ -1,3 +1,5 @@
+// This file named `set.rs` because possibly here will be other functions, not only hn
+
 use crate::log::log_warning;
 use libc::{c_char, sethostname, size_t};
 use std::{ffi::CString, fs, io};
diff --git a/init/src/host/timezone.rs b/init/src/host/timezone.rs
index 2da9e85..1062a8b 100644
--- a/init/src/host/timezone.rs
+++ b/init/src/host/timezone.rs
@@ -1,6 +1,6 @@
 use crate::log::*;
 use std::fs;
-
+ 
 pub fn set_timezone(timezone: Option<String>) -> Result<(), Box<dyn std::error::Error>> {
     let tz = match timezone {
         Some(tz) => tz,