From f97489cc9e5151e99b9b2b25401fa99e36cf0902 Mon Sep 17 00:00:00 2001
From: Rui Marinho <me@ruimarinho.net>
Date: Wed, 26 May 2021 19:24:03 +0100
Subject: [PATCH] Missing methods

---
 build.cake | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/build.cake b/build.cake
index 5b1b1e9..9d38bfc 100644
--- a/build.cake
+++ b/build.cake
@@ -59,3 +59,11 @@ Task("Default").IsDependentOn("dotnet-pack");
 //////////////////////////////////////////////////////////////////////
 
 RunTarget(target);
+
+T GetBuildVariable<T>(string key, T defaultValue)
+{
+    // on MAC all environment variables are upper case regardless of how you specify them in devops
+    // And then Environment Variable check is case sensitive
+    T upperCaseReturnValue = Argument(key.ToUpper(), EnvironmentVariable(key.ToUpper(), defaultValue));
+    return Argument(key, EnvironmentVariable(key, upperCaseReturnValue));
+}