From 8f215148555be4d2c1bff8893e2c6ebdce025565 Mon Sep 17 00:00:00 2001
From: Lucien Greathouse <me@lpghatguy.com>
Date: Tue, 18 Feb 2020 18:19:08 -0800
Subject: [PATCH] two-way-sync: Add super special case script syncing

---
 src/change_processor.rs | 53 ++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 52 insertions(+), 1 deletion(-)

diff --git a/src/change_processor.rs b/src/change_processor.rs
index 1ce146d7..902a1c12 100644
--- a/src/change_processor.rs
+++ b/src/change_processor.rs
@@ -5,7 +5,7 @@ use std::{
 
 use crossbeam_channel::{select, Receiver, RecvError, Sender};
 use jod_thread::JoinHandle;
-use rbx_dom_weak::RbxId;
+use rbx_dom_weak::{RbxId, RbxValue};
 
 use crate::{
     message_queue::MessageQueue,
@@ -204,6 +204,57 @@ impl<F: VfsFetcher> JobThreadContext<F> {
                 }
             }
 
+            for update in &patch_set.updated_instances {
+                let id = update.id;
+
+                if let Some(instance) = tree.get_instance(id) {
+                    if update.changed_name.is_some() {
+                        log::warn!("Cannot rename instances yet.");
+                    }
+
+                    if update.changed_class_name.is_some() {
+                        log::warn!("Cannot change ClassName yet.");
+                    }
+
+                    if update.changed_metadata.is_some() {
+                        log::warn!("Cannot change metadata yet.");
+                    }
+
+                    for (key, changed_value) in &update.changed_properties {
+                        if key == "Source" {
+                            if let Some(instigating_source) =
+                                &instance.metadata().instigating_source
+                            {
+                                match instigating_source {
+                                    InstigatingSource::Path(path) => {
+                                        if let Some(RbxValue::String { value }) = changed_value {
+                                            fs::write(path, value).unwrap();
+                                        } else {
+                                            log::warn!("Cannot change Source to non-string value.");
+                                        }
+                                    }
+                                    InstigatingSource::ProjectNode(_, _, _) => {
+                                        log::warn!(
+                                            "Cannot remove instance {}, it's from a project file",
+                                            id
+                                        );
+                                    }
+                                }
+                            } else {
+                                log::warn!(
+                                    "Cannot update instance {}, it is not an instigating source.",
+                                    id
+                                );
+                            }
+                        } else {
+                            log::warn!("Cannot change properties besides BaseScript.Source.");
+                        }
+                    }
+                } else {
+                    log::warn!("Cannot update instance {}, it does not exist.", id);
+                }
+            }
+
             apply_patch_set(&mut tree, patch_set)
         };