From be3a5026ef1ac9cc7988e3d100a20bf21c58a632 Mon Sep 17 00:00:00 2001
From: Aaron Lehmann <alehmann@netflix.com>
Date: Tue, 5 Mar 2024 20:00:08 +0000
Subject: [PATCH] Add link to var substitution spec

---
 devcontainer/devcontainer.go | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/devcontainer/devcontainer.go b/devcontainer/devcontainer.go
index d083a088..51ea846c 100644
--- a/devcontainer/devcontainer.go
+++ b/devcontainer/devcontainer.go
@@ -88,6 +88,8 @@ func SubstituteVars(s string, workspaceFolder string) string {
 	}
 }
 
+// Spec for variable substitutions:
+// https://containers.dev/implementors/json_reference/#variables-in-devcontainerjson
 func substitute(varExpr string, workspaceFolder string) string {
 	parts := strings.Split(varExpr, ":")
 	if len(parts) == 1 {