Added support for remote and local realization

src/nix/host/generic.rs

@@ -53,6 +53,7 @@ pub enum Request {
     /// Realizes the derivation
     Realize {
         path: StorePath,
+        remote: bool,
     },
 
     /// Uploads keys to host
@@ -116,6 +117,27 @@ impl Host for GenericHost {
             .call(
                 Request::Realize {
                     path: derivation.clone(),
+                    remote: true
+                },
+                move |response, mut store_paths| {
+                    match response {
+                        Response::Progress { phase } => println!("{}", phase),
+                        Response::NewStorePath { store_path } => store_paths.push(store_path),
+                        _ => (),
+                    };
+                    store_paths
+                },
+                Vec::new(),
+            )
+            .await?)
+    }
+
+    async fn realize(&mut self, derivation: &StorePath) -> ColmenaResult<Vec<StorePath>> {
+        Ok(self
+            .call(
+                Request::Realize {
+                    path: derivation.clone(),
+                    remote: false
                 },
                 move |response, mut store_paths| {
                     match response {