From 7f6de5119f1654a25d04bae7eab8dab5a6888fc0 Mon Sep 17 00:00:00 2001
From: Logan McNaughton <848146+loganmc10@users.noreply.github.com>
Date: Mon, 10 Feb 2025 17:02:09 +0100
Subject: [PATCH] use git hash for netplay sync (#234)

* use git hash for netplay sync

* more
---
 build.rs                  | 8 ++++++++
 src/ui/gui/gui_netplay.rs | 4 ++--
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/build.rs b/build.rs
index 807dcd3..08b1e6c 100644
--- a/build.rs
+++ b/build.rs
@@ -166,4 +166,12 @@ fn main() {
         println!("cargo:rustc-link-search=native=/usr/local/lib");
         println!("cargo:rustc-link-lib=static=MoltenVK");
     }
+
+    let git_output = std::process::Command::new("git")
+        .args(["rev-parse", "HEAD"])
+        .output()
+        .unwrap();
+
+    let git_hash = String::from_utf8(git_output.stdout).unwrap();
+    println!("cargo:rustc-env=GIT_HASH={}", git_hash);
 }
diff --git a/src/ui/gui/gui_netplay.rs b/src/ui/gui/gui_netplay.rs
index 5534987..13ce59e 100644
--- a/src/ui/gui/gui_netplay.rs
+++ b/src/ui/gui/gui_netplay.rs
@@ -284,7 +284,7 @@ pub fn netplay_create(app: &mut GopherEguiApp, ctx: &egui::Context) {
                     let netplay_message = NetplayMessage {
                         message_type: "request_create_room".to_string(),
                         player_name: Some(app.netplay.player_name.clone()),
-                        client_sha: Some(env!("CARGO_PKG_VERSION").to_string()),
+                        client_sha: Some(env!("GIT_HASH").to_string()),
                         netplay_version: Some(NETPLAY_VERSION),
                         emulator: Some(EMU_NAME.to_string()),
                         accept: None,
@@ -449,7 +449,7 @@ pub fn netplay_join(app: &mut GopherEguiApp, ctx: &egui::Context) {
                 let netplay_message = NetplayMessage {
                     message_type: "request_join_room".to_string(),
                     player_name: Some(app.netplay.player_name.clone()),
-                    client_sha: Some(env!("CARGO_PKG_VERSION").to_string()),
+                    client_sha: Some(env!("GIT_HASH").to_string()),
                     netplay_version: None,
                     emulator: None,
                     accept: None,