fix: fix i18n_embed fallback to select language

src/lang.rs

@@ -1,8 +1,7 @@
 use std::sync::LazyLock;
 
 use i18n_embed::{
-    fluent::{fluent_language_loader, FluentLanguageLoader},
-    LanguageLoader,
+    fluent::{fluent_language_loader, FluentLanguageLoader}, DefaultLocalizer, LanguageLoader, Localizer
 };
 use rust_embed::RustEmbed;
 
@@ -31,3 +30,8 @@ macro_rules! fl {
         i18n_embed_fl::fl!($crate::lang::LANGUAGE_LOADER, $message_id, $($args), *)
     }};
 }
+
+// Get the `Localizer` to be used for localizing this library.
+pub fn localizer() -> Box<dyn Localizer> {
+    Box::from(DefaultLocalizer::new(&*LANGUAGE_LOADER, &Localizations))
+}

src/main.rs

@@ -20,6 +20,7 @@ use anyhow::anyhow;
 
 use clap::ArgMatches;
 use error::OutputError;
+use i18n_embed::DesktopLanguageRequester;
 use list::ListFlags;
 use oma_console::print::{termbg, OmaColorFormat};
 use oma_console::writer::{writeln_inner, MessageType, Writer};
@@ -104,6 +105,13 @@ pub struct OmaArgs {
 }
 
 fn main() {
+    let localizer = crate::lang::localizer();
+    let requested_languages = DesktopLanguageRequester::requested_languages();
+
+    if let Err(error) = localizer.select(&requested_languages) {
+        eprintln!("Error while loading languages for library_fluent {}", error);
+    }
+
     ctrlc::set_handler(single_handler).expect(
         "Oma could not initialize SIGINT handler.\n\nPlease restart your installation environment.",
     );