feat: link config support proto paths

generated/.tailcallrc.schema.json

@@ -269,6 +269,16 @@
         "meta": {
           "description": "Additional metadata pertaining to the linked resource."
         },
+        "proto_paths": {
+          "description": "The proto paths to be used when resolving dependencies. Only valid when [`Link::type_of`] is [`LinkType::Protobuf`]",
+          "type": [
+            "array",
+            "null"
+          ],
+          "items": {
+            "type": "string"
+          }
+        },
         "src": {
           "description": "The source of the link. It can be a URL or a path to a file. If a path is provided, it is relative to the file that imports the link.",
           "type": "string"

src/core/config/directives/link.rs

@@ -93,4 +93,9 @@ pub struct Link {
     /// Additional metadata pertaining to the linked resource.
     #[serde(default, skip_serializing_if = "is_default")]
     pub meta: Option<serde_json::Value>,
+    ///
+    /// The proto paths to be used when resolving dependencies.
+    /// Only valid when [`Link::type_of`] is [`LinkType::Protobuf`]
+    #[serde(default, skip_serializing_if = "is_default")]
+    pub proto_paths: Option<Vec<String>>,
 }

src/core/config/reader.rs

@@ -79,7 +79,13 @@ impl ConfigReader {
                     });
                 }
                 LinkType::Protobuf => {
-                    let meta = self.proto_reader.read(path, None).await?;
+                    let proto_paths = link.proto_paths.as_ref().map(|paths| {
+                        paths
+                            .iter()
+                            .map(|p| Self::resolve_path(p, parent_dir))
+                            .collect::<Vec<_>>()
+                    });
+                    let meta = self.proto_reader.read(path, proto_paths.as_deref()).await?;
                     extensions.add_proto(meta);
                 }
                 LinkType::Script => {

src/core/generator/generator.rs

@@ -99,6 +99,7 @@ impl Generator {
             type_of: LinkType::Protobuf,
             headers: None,
             meta: None,
+            proto_paths: None,
         });
         Ok(config)
     }

src/core/grpc/data_loader_request.rs

@@ -74,6 +74,7 @@ mod tests {
             type_of: LinkType::Protobuf,
             headers: None,
             meta: None,
+            proto_paths: None,
         }]);
         let method = GrpcMethod {
             package: "greetings".to_string(),

src/core/grpc/protobuf.rs

@@ -268,6 +268,7 @@ pub mod tests {
             type_of: LinkType::Protobuf,
             headers: None,
             meta: None,
+            proto_paths: None,
         }]);
 
         let method = GrpcMethod { package: id, service: "a".to_owned(), name: "b".to_owned() };

src/core/grpc/request_template.rs

@@ -160,6 +160,7 @@ mod tests {
             type_of: LinkType::Protobuf,
             headers: None,
             meta: None,
+            proto_paths: None,
         }]);
         let method = GrpcMethod {
             package: id.to_string(),