Add build date to logs

Cargo.toml

@@ -29,6 +29,9 @@ required-features = [
 [[bin]]
 name = "site"
 
+[build-dependencies]
+time = { version = "0.3", features = ["formatting"] }
+
 [dependencies]
 async-trait = { version = "0.1" }
 enum-iterator = { version = "1.4" }

build.rs

@@ -1,3 +1,12 @@
+use time::{format_description::well_known::Rfc2822, OffsetDateTime};
+
 fn main() {
     println!("cargo:rerun-if-changed=content");
+
+    println!(
+        "cargo:rustc-env=BUILD_TIME={}",
+        OffsetDateTime::now_utc()
+            .format(&Rfc2822)
+            .expect("time format")
+    );
 }

src/bin/site.rs

@@ -19,6 +19,8 @@ fn main() {
         }
     );
 
+    log::info!("Compiled {}", env!("BUILD_TIME"));
+
     let app = yew::Renderer::<App>::new();
 
     #[cfg(feature = "hydration")]