From 427a3cb1820ccf2c255df8a0c8883e457c92adaf Mon Sep 17 00:00:00 2001
From: hut <hut@hut.pm>
Date: Thu, 28 Mar 2024 22:34:16 +0100
Subject: [PATCH] add --version option

---
 src/main.rs | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/src/main.rs b/src/main.rs
index f787f90..0a3b8b8 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -12,8 +12,21 @@ use bevy::window::{Window, WindowMode, PrimaryWindow, CursorGrabMode};
 use bevy::diagnostic::FrameTimeDiagnosticsPlugin;
 use bevy::prelude::*;
 use bevy_embedded_assets::{EmbeddedAssetPlugin, PluginMode};
+use std::env;
 
 fn main() {
+    let args: Vec<String> = env::args().collect();
+    if args.len() > 1 {
+        if args[1] == "--version" || args[1] == "-v" {
+            let version = option_env!("CARGO_PKG_VERSION").unwrap();
+            let name = option_env!("CARGO_PKG_NAME").unwrap();
+            let homepage = option_env!("CARGO_PKG_HOMEPAGE").unwrap();
+            println!("{name} {version}");
+            println!("License: GNU GPL version 3: https://gnu.org/licenses/gpl.html");
+            println!("{homepage}");
+            return;
+        }
+    }
     if cfg!(debug_assertions) {
         App::new().add_plugins((
             OutFlyPlugin,