Move compile-time build info to aiken-project

So that we can use it as part of the blueprints.

crates/aiken-project/Cargo.toml

@@ -12,6 +12,7 @@ authors = [
   "KtorZ <matthias.benkort@gmail.com>",
 ]
 rust-version = "1.66.1"
+build = "build.rs"
 
 [dependencies]
 askama = "0.12.0"
@@ -48,3 +49,6 @@ uplc = { path = '../uplc', version = "1.0.19-alpha" }
 [dev-dependencies]
 proptest = "1.2.0"
 pretty_assertions = "1.3.0"
+
+[build-dependencies]
+built = { version = "0.6.0", features = ["git2"] }

crates/aiken-project/build.rs

@@ -0,0 +1,3 @@
+fn main() {
+    built::write_built_file().expect("Failed to acquire build-time information");
+}

crates/aiken-project/src/config.rs

@@ -116,3 +116,19 @@ impl Config {
         Some(self)
     }
 }
+
+mod built_info {
+    include!(concat!(env!("OUT_DIR"), "/built.rs"));
+}
+
+pub fn compiler_version(include_commit_hash: bool) -> String {
+    if include_commit_hash {
+        format!(
+            "v{} {}",
+            built_info::PKG_VERSION_MAJOR,
+            built_info::GIT_COMMIT_HASH_SHORT.unwrap_or("unknown")
+        )
+    } else {
+        format!("v{}", built_info::PKG_VERSION_MAJOR,)
+    }
+}