From a69a6e648a429bf47338be46c91bfa6f0ae23a58 Mon Sep 17 00:00:00 2001
From: filip mertens <filip.mertens@ethereum.org>
Date: Thu, 22 Jun 2023 13:04:35 +0200
Subject: [PATCH] filechanged

---
 .../src/app/files/electronProvider.ts         |  4 ++-
 apps/remixdesktop/src/plugins/fsPlugin.ts     | 36 +++++++++++++++----
 .../workspace/src/lib/actions/events.ts       |  7 ++--
 3 files changed, 37 insertions(+), 10 deletions(-)

diff --git a/apps/remix-ide/src/app/files/electronProvider.ts b/apps/remix-ide/src/app/files/electronProvider.ts
index 6c60559be8..8050942f12 100644
--- a/apps/remix-ide/src/app/files/electronProvider.ts
+++ b/apps/remix-ide/src/app/files/electronProvider.ts
@@ -24,7 +24,9 @@ export class ElectronProvider extends FileProvider {
           this.event.emit('fileRemoved', path)
           break
         case 'change':
-          this.event.emit('fileChanged', path)
+          this.get(path, (_error, content) => {
+            this.event.emit('fileExternallyChanged', path, content, false)
+          })
           break
         case 'rename':
           this.event.emit('fileRenamed', path)
diff --git a/apps/remixdesktop/src/plugins/fsPlugin.ts b/apps/remixdesktop/src/plugins/fsPlugin.ts
index 6fdba2d84c..529a8eccf0 100644
--- a/apps/remixdesktop/src/plugins/fsPlugin.ts
+++ b/apps/remixdesktop/src/plugins/fsPlugin.ts
@@ -78,6 +78,7 @@ const clientProfile: Profile = {
 class FSPluginClient extends ElectronBasePluginClient {
   watcher: chokidar.FSWatcher
   workingDir: string = ''
+  trackDownStreamUpdate: Record<string, string> = {}
 
   constructor(webContentsId: number, profile: Profile) {
     super(webContentsId, profile)
@@ -155,6 +156,7 @@ class FSPluginClient extends ElectronBasePluginClient {
 
   async writeFile(path: string, content: string, options: any): Promise<void> {
     //console.log('writeFile', path, content, options)
+    this.trackDownStreamUpdate[path] = content
     return (fs as any).writeFile(this.fixPath(path), content, options)
   }
 
@@ -226,14 +228,34 @@ class FSPluginClient extends ElectronBasePluginClient {
           '**/node_modules/**',
           '**/.git/**',
         ]
-      }).on('all', (eventName, path, stats) => {
+      }).on('all', async (eventName, path, stats) => {
         console.log('change', eventName, path, stats)
-        // remove workingDir from path
-        path = path.replace(this.workingDir, '')
-        try {
-          this.emit('change', eventName, path)
-        } catch (e) {
-          console.log('error emitting change', e)
+        
+        let pathWithoutPrefix = path.replace(this.workingDir, '')
+        if (pathWithoutPrefix.startsWith('/')) pathWithoutPrefix = pathWithoutPrefix.slice(1)
+
+        if (eventName === 'change') {
+          // remove workingDir from path
+          const newContent = await fs.readFile(path, 'utf-8')
+
+          console.log('change', pathWithoutPrefix, this.trackDownStreamUpdate)
+          const currentContent = this.trackDownStreamUpdate[pathWithoutPrefix]
+  
+          if (currentContent !== newContent) {
+            try {
+
+              this.emit('change', eventName, pathWithoutPrefix)
+            } catch (e) {
+              console.log('error emitting change', e)
+            }
+          }
+        } else {
+          try {
+
+            this.emit('change', eventName, pathWithoutPrefix)
+          } catch (e) {
+            console.log('error emitting change', e)
+          }
         }
       })
   }
diff --git a/libs/remix-ui/workspace/src/lib/actions/events.ts b/libs/remix-ui/workspace/src/lib/actions/events.ts
index 8da0b74971..ba93240c1b 100644
--- a/libs/remix-ui/workspace/src/lib/actions/events.ts
+++ b/libs/remix-ui/workspace/src/lib/actions/events.ts
@@ -113,7 +113,7 @@ export const listenOnProviderEvents = (provider) => (reducerDispatch: React.Disp
     dispatch(loadLocalhostRequest())
   })
 
-  provider.event.on('fileExternallyChanged', (path: string, content: string) => {
+  provider.event.on('fileExternallyChanged', (path: string, content: string, showAlert: boolean = true) => {
     const config = plugin.registry.get('config').api
     const editor = plugin.registry.get('editor').api
 
@@ -122,6 +122,7 @@ export const listenOnProviderEvents = (provider) => (reducerDispatch: React.Disp
 
     if (config.get('currentFile') === path) {
       // if it's the current file and the content is different:
+      if(showAlert){
       dispatch(displayNotification(
         path + ' changed',
         'This file has been changed outside of Remix IDE.',
@@ -129,7 +130,9 @@ export const listenOnProviderEvents = (provider) => (reducerDispatch: React.Disp
         () => {
           editor.setText(path, content)
         }
-      ))
+      ))}else{
+        editor.setText(path, content)
+      }
     } else {
       // this isn't the current file, we can silently update the model
       editor.setText(path, content)