diff --git a/build.rs b/build.rs
new file mode 100644
index 0000000..2928c1b
--- /dev/null
+++ b/build.rs
@@ -0,0 +1,22 @@
+use std::{env, fs, path::Path};
+
+fn main() {
+ let out_dir = env::var_os("OUT_DIR").unwrap();
+
+ let path = Path::new(&out_dir).join("git_hash.rs");
+
+ let git_output = std::process::Command::new("git")
+ .args(["rev-parse", "--short", "HEAD"])
+ .output()
+ .unwrap()
+ .stdout;
+
+ let last_hash = String::from_utf8(git_output).unwrap();
+ let last_hash = last_hash.trim();
+
+ fs::write(
+ &path,
+ format!("pub const GIT_HASH: &str = \"{last_hash}\";"),
+ )
+ .unwrap();
+}
diff --git a/justfile b/justfile
index 7d3fb8d..c717d91 100644
--- a/justfile
+++ b/justfile
@@ -2,7 +2,7 @@ set export
set quiet
set dotenv-load
-#[arg("assets", long="assets")]
+[arg("assets", long="assets")]
build assets="false":
#!/usr/bin/env bash
mkdir -p ./out
diff --git a/src/main.rs b/src/main.rs
index 5785e94..0229ceb 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -13,6 +13,8 @@ use tracing_subscriber::EnvFilter;
mod common;
+include!(concat!(env!("OUT_DIR"), "/git_hash.rs"));
+
#[cfg(feature = "bbs")]
mod bbs;
diff --git a/templates/layouts/base.html b/templates/layouts/base.html
index d133685..292230a 100644
--- a/templates/layouts/base.html
+++ b/templates/layouts/base.html
@@ -11,7 +11,7 @@
{% block content %}{% endblock %}