feat: print warning if gui and daemon versions mismatch

lact-gui/src/app/mod.rs

@@ -2,7 +2,7 @@ mod apply_revealer;
 mod header;
 mod root_stack;
 
-use crate::APP_ID;
+use crate::{APP_ID, GUI_VERSION};
 use anyhow::{anyhow, Context};
 use apply_revealer::ApplyRevealer;
 use glib::clone;
@@ -51,6 +51,12 @@ impl App {
             .get_system_info()
             .expect("Could not fetch system info");
         let system_info = system_info_buf.inner().expect("Invalid system info buffer");
+
+        if system_info.version != GUI_VERSION {
+            let err = anyhow!("Version mismatch between GUI and daemon ({GUI_VERSION} vs {})! Make sure you have restarted the service if you have updated LACT.", system_info.version);
+            show_error(&window, err);
+        }
+
         let root_stack = RootStack::new(system_info, daemon_client.embedded);
 
         header.set_switcher_stack(&root_stack.container);

lact-gui/src/app/root_stack/software_page.rs

@@ -1,3 +1,4 @@
+use crate::GUI_VERSION;
 use gtk::prelude::*;
 use gtk::*;
 use lact_client::schema::SystemInfo;
@@ -52,13 +53,12 @@ pub fn software_page(system_info: SystemInfo, embedded: bool) -> Grid {
         1,
     );
 
-    let gui_version = env!("CARGO_PKG_VERSION");
     let gui_profile = if cfg!(debug_assertions) {
         "debug"
     } else {
         "release"
     };
-    let gui_version = format!("{gui_version}-{gui_profile}");
+    let gui_version = format!("{GUI_VERSION}-{gui_profile}");
 
     let gui_version_label = Label::builder()
         .use_markup(true)

lact-gui/src/lib.rs

@@ -7,6 +7,7 @@ use std::os::unix::net::UnixStream;
 use tracing::{error, info, metadata::LevelFilter};
 use tracing_subscriber::EnvFilter;
 
+const GUI_VERSION: &str = env!("CARGO_PKG_VERSION");
 const APP_ID: &str = "io.github.lact-linux";
 
 pub fn run(args: GuiArgs) -> anyhow::Result<()> {