Merge pull request #22 from NavAbility:25Q1/enh/buildrs

integrate schema introspection to build and CI

Author: dehann

.github/workflows/ci-rs.yml

@@ -30,7 +30,6 @@ jobs:
         echo "::add-mask::$NVA_API_URL"
         export NVA_API_TOKEN=$(cat $GITHUB_EVENT_PATH | jq -r ".inputs.nva_token" )
         echo "::add-mask::$NVA_API_TOKEN"
-        make fetch-schema
     - name: Build wasm
       run: make build-wasm
     - name: Build tokio
@@ -40,6 +39,3 @@ jobs:
     - name: Run tests
       run: |
         make test-tokio
-        make generate-cbindgen-c
-        make generate-cbindgen-cpp
-        # make test-capi

README.md

@@ -14,13 +14,12 @@ Documentation for [Python](https://navability.github.io/NavAbilitySDK.py/) or [J
 
 ## Compiling
 
-Get the schema with NVA_API_URL and NVA_API_TOKEN args/env var set:
+Get deps
 ```shell
 make install-deps # modifies system cargo crates
-make fetch-schema
 ```
 
-Compile for either native or wasm:
+Set required NVA_API_URL and NVA_API_TOKEN args/env variables and compile for either native or wasm:
 ```shell
 make build-wasm
 make build-tokio

build.rs

@@ -0,0 +1,36 @@
+
+// build.rs
+
+use std::process::Command;
+use std::fs;
+
+fn main() {
+  let path = "src/schema.json";
+  match fs::exists(path) {
+    Ok(e) => {
+      if e {
+        if 100 < fs::metadata(path).unwrap().len() {
+          println!("cargo::warning=NavAbilitySDK.rs build did not update existing schema.json.");
+          return ();
+        } else {
+          println!("cargo::warning=NavAbilitySDK.rs build schema.json file is incomplete - trying to introspect again.");
+        }
+      }
+      let mut fetchschema = Command::new("sh");
+      fetchschema.arg("-c").arg("make fetch-schema");
+      match fetchschema.output() {
+        Ok(o) => {
+          println!("cargo::warning={}: {:?}","NavAbilitySDK.rs trying schema introspection (ensure env variables NVA_API_API/TOKEN)", o);
+        }
+        Err(e) => {
+          println!("cargo::warning={} {:?}","NavAbilitySDK.rs build schema introspection failed with error:", e);
+        }
+      }
+    }
+    Err(e) => {
+      println!("cargo::warning=NavAbilitySDK.rs build unable to check for src/schema.json: {:?}", e);
+    }
+  }
+  // println!("cargo::rerun-if-changed=build.rs");
+}
+