Move versioning to source.

src/main.rs

@@ -15,6 +15,7 @@ extern crate ctrlc;
 
 pub mod database;
 pub mod notifications;
+pub mod version;
 pub mod routes;
 pub mod util;
 
@@ -39,7 +40,7 @@ async fn main() {
     dotenv::dotenv().ok();
     env_logger::init_from_env(env_logger::Env::default().filter_or("RUST_LOG", "info"));
 
-    info!("Starting REVOLT server.");
+    info!("Starting REVOLT server [version {}].", crate::version::VERSION);
 
     util::variables::preflight_checks();
     database::connect().await;

src/routes/root.rs

@@ -9,7 +9,7 @@ use rocket_contrib::json::JsonValue;
 #[get("/")]
 pub async fn root() -> JsonValue {
     json!({
-        "revolt": "0.4.1-alpha.4",
+        "revolt": crate::version::VERSION,
         "features": {
             "registration": !*DISABLE_REGISTRATION,
             "captcha": {

src/version.rs

@@ -0,0 +1 @@
+pub const VERSION: &str = "0.4.1-alpha.6";