From 4c00d1846b03fa16cde68e5b858fac7c36c3bad9 Mon Sep 17 00:00:00 2001
From: futile <git@futile.eu>
Date: Wed, 5 Nov 2025 00:33:17 +0000
Subject: [PATCH] add git commit hash when hovering version info

---
 build.rs       | 12 ++++++++++++
 src/gui/app.rs |  3 ++-
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/build.rs b/build.rs
index ecf3529..85bb3db 100644
--- a/build.rs
+++ b/build.rs
@@ -8,4 +8,16 @@ fn main() {
         .set_icon("assets/icon.ico")
         .compile()
         .unwrap();
+    println!(
+        "cargo:rustc-env=LATEST_GIT_COMMIT_HASH={}",
+        latest_git_commit_hash()
+    )
+}
+
+fn latest_git_commit_hash() -> String {
+    let git_rev_parse = std::process::Command::new("git")
+        .args(&["rev-parse", "--short=8", "HEAD"])
+        .output()
+        .unwrap();
+    String::from_utf8(git_rev_parse.stdout).unwrap()
 }
diff --git a/src/gui/app.rs b/src/gui/app.rs
index f0aacc7..313dfaa 100644
--- a/src/gui/app.rs
+++ b/src/gui/app.rs
@@ -236,7 +236,8 @@ impl App {
                     if cfg!(debug_assertions) {
                         ui.label("(dev)");
                     }
-                    ui.label(format!("v{}", env!("CARGO_PKG_VERSION")));
+                    ui.label(format!("v{}", env!("CARGO_PKG_VERSION")))
+                        .on_hover_text(env!("LATEST_GIT_COMMIT_HASH"));
                     ui.scope(|ui| {
                         ui.style_mut().spacing.button_padding = egui::Vec2::new(3.0, 0.0);
                         let button = ui