Proper way to generate code from build.rs (#293)

golem-client/Cargo.toml

@@ -20,4 +20,4 @@ tracing = "^0.1"
 uuid = { version = "^1.6", features = ["serde"] }
 
 [build-dependencies]
-golem-openapi-client-generator = "0.0.3"
+golem-openapi-client-generator = "0.0.4"

golem-client/build.rs

@@ -1,15 +1,25 @@
+use std::env::var_os;
 use std::path::Path;
 
 use golem_openapi_client_generator::parse_openapi_specs;
 
 fn main() {
+    println!("Starting code generation for Golem OpenAPI client.");
+    let out_dir = var_os("OUT_DIR").unwrap();
+
+    println!("Output directory: {:?}", out_dir);
+
     golem_openapi_client_generator::gen(
         parse_openapi_specs(&[Path::new("../openapi/golem-service.yaml").to_path_buf()])
             .expect("Failed to parse OpenAPI spec."),
-        Path::new("."),
+        Path::new(&out_dir),
         "golem-client",
         "0.0.0",
         false,
+        true,
     )
-    .expect("Failed to generate client code from OpenAPI spec.")
+    .expect("Failed to generate client code from OpenAPI spec.");
+
+    println!("cargo::rerun-if-changed=build.rs");
+    println!("cargo::rerun-if-changed=../openapi/golem-service.yaml");
 }

golem-client/src/lib.rs

@@ -1 +1 @@
-
+include!(concat!(env!("OUT_DIR"), "/src/lib.rs"));