fixes #39307

src/vs/workbench/parts/scm/electron-browser/dirtydiffDecorator.ts

@@ -277,8 +277,17 @@ class DirtyDiffWidget extends PeekViewWidget {
 	}
 
 	protected _getActionBarOptions(): IActionBarOptions {
+		const actionRunner = new DiffActionRunner();
+
+		// close widget on successful action
+		actionRunner.onDidRun(e => {
+			if (!(e.action instanceof UIEditorAction) && !e.error) {
+				this.dispose();
+			}
+		});
+
 		return {
-			actionRunner: new DiffActionRunner(),
+			actionRunner,
 			actionItemProvider: action => this.getActionItem(action),
 			orientation: ActionsOrientation.HORIZONTAL_REVERSE
 		};