Provide git hash in tooltip

build.rs

@@ -1,6 +1,13 @@
 extern crate embed_resource;
 
 fn main() -> anyhow::Result<()> {
+    let output = std::process::Command::new("git")
+        .args(["rev-parse", "HEAD"])
+        .output()
+        .unwrap();
+    let git_hash = String::from_utf8(output.stdout).unwrap();
+    println!("cargo:rustc-env=GIT_HASH={}", &git_hash[..7]);
+
     let target = std::env::var("TARGET")?;
     if target.contains("windows") {
         embed_resource::compile("static/icon.rc", embed_resource::NONE);

src/app/top_bottom.rs

@@ -3,7 +3,7 @@ use std::{path::PathBuf, process::Command};
 use egui::{Context, Layout};
 
 use crate::{
-    consts::{HOMEPAGE, TOP_SIDE_MARGIN, VERSION},
+    consts::{GIT_HASH, HOMEPAGE, TOP_SIDE_MARGIN, VERSION},
     toast,
 };
 
@@ -122,7 +122,8 @@ impl App {
                     ui.hyperlink_to(
                         format!("{} v {}", egui::special_emojis::GITHUB, VERSION),
                         HOMEPAGE,
-                    );
+                    )
+                    .on_hover_text(format!("git revision {GIT_HASH}"));
                     egui::warn_if_debug_build(ui);
                     let old_value = self.sorting;
 

src/consts.rs

@@ -1,5 +1,6 @@
 pub const VERSION: &str = env!("CARGO_PKG_VERSION");
 pub const HOMEPAGE: &str = env!("CARGO_PKG_HOMEPAGE");
-pub const APP_NAME: &str = "File Manager";
+pub const GIT_HASH: &str = env!("GIT_HASH");
+pub const APP_NAME: &str = "LWA File Manager";
 pub const VERTICAL_SPACING: f32 = 8.0;
 pub const TOP_SIDE_MARGIN: f32 = 10.0;

src/main.rs

@@ -1,7 +1,7 @@
 #![cfg_attr(not(debug_assertions), windows_subsystem = "windows")]
 use anyhow::Context;
 // hide console window on Windows in release
-use consts::{APP_NAME, VERSION};
+use consts::APP_NAME;
 use eframe::egui;
 
 mod app;
@@ -23,7 +23,7 @@ fn main() -> anyhow::Result<()> {
     };
 
     eframe::run_native(
-        &format!("{APP_NAME} v {VERSION}"),
+        &APP_NAME,
         native_options,
         Box::new(|cc| {
             egui_extras::install_image_loaders(&cc.egui_ctx);