Fixes #572 - can't expand some branch folders

Duplicate nodes caused by branches with the same last path part

CHANGELOG.md

@@ -22,6 +22,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/) and this p
 
 - Fixes an issue where gravatar icons would sometimes not show up — thanks to [PR #579](https://github.com/eamodio/vscode-gitlens/pull/579) by sgtwilko ([@sgtwilko](https://github.com/sgtwilko))
 - Fixes [#501](https://github.com/eamodio/vscode-gitlens/issues/501) — Azure DevOps ssh remotes aren't handled properly
+- Fixes [#572](https://github.com/eamodio/vscode-gitlens/issues/572) — Explorer cant expand some branch folders
 
 ## [9.0.3] - 2018-12-06
 

src/views/nodes/branchOrTagFolderNode.ts

@@ -7,6 +7,8 @@ import { BranchNode } from './branchNode';
 import { TagNode } from './tagNode';
 import { ResourceType, ViewNode } from './viewNode';
 
+const set = new Set();
+
 export class BranchOrTagFolderNode extends ViewNode {
     constructor(
         view: View,
@@ -22,7 +24,7 @@ export class BranchOrTagFolderNode extends ViewNode {
     }
 
     get id(): string {
-        return `gitlens:repository(${this.repoPath}):${this.type}-folder(${this.folderName})`;
+        return `gitlens:repository(${this.repoPath}):${this.type}-folder(${this.relativePath})`;
     }
 
     async getChildren(): Promise<ViewNode[]> {