feat(server): add message and handler for AdvanceMainTo(Commit)

src/server/actors/repo/mod.rs

@@ -122,3 +122,18 @@ impl Handler<WebhookRegistered> for RepoActor {
         self.webhook_id.replace(msg.0);
     }
 }
+
+#[derive(Message)]
+#[rtype(result = "()")]
+pub struct AdvanceMainTo(pub forge::Commit);
+impl Handler<AdvanceMainTo> for RepoActor {
+    type Result = ();
+    fn handle(&mut self, msg: AdvanceMainTo, ctx: &mut Self::Context) -> Self::Result {
+        let repo_details = self.details.clone();
+        let addr = ctx.address();
+        let net = self.net.clone();
+        branch::advance_main(msg.0, repo_details, addr, net)
+            .into_actor(self)
+            .wait(ctx);
+    }
+}