From 2fbd4c021c600a52bc44ced6d74377ee6f5240aa Mon Sep 17 00:00:00 2001
From: kahkeng <kahkeng@gmail.com>
Date: Mon, 27 Apr 2020 09:15:01 -0700
Subject: [PATCH] Add helm env variables explicitly to pulumi Dockerfile
 (#4474)

---
 CHANGELOG.md           | 4 ++++
 dist/pulumi/Dockerfile | 5 +++++
 2 files changed, 9 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index e65d2b135..b29c78bb5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -22,6 +22,10 @@ CHANGELOG
 - Ensure generated Python module names are keyword-safe.
   [#4473](https://github.com/pulumi/pulumi/pull/4473)
 
+- Explicitly set XDG_CONFIG_HOME and XDG_CACHE_HOME env vars for helm in the
+  pulumi docker image
+  [#4474](https://github.com/pulumi/pulumi/pull/4474)
+
 - Increase the MaxCallRecvMsgSize for all RPC calls. 
   [#4455](https://github.com/pulumi/pulumi/pull/4455)
 
diff --git a/dist/pulumi/Dockerfile b/dist/pulumi/Dockerfile
index f883ed2d1..123792cfa 100644
--- a/dist/pulumi/Dockerfile
+++ b/dist/pulumi/Dockerfile
@@ -55,6 +55,11 @@ RUN wget -q https://packages.microsoft.com/config/ubuntu/19.04/packages-microsof
     dotnet-sdk-3.1
 
 # Install Helm
+# Explicitly set env variables that helm reads to their defaults, so that subsequent calls to
+# helm will find the stable repo even if $HOME points to something other than /root
+# (e.g. in GitHub actions where $HOME points to /github/home).
+ENV XDG_CONFIG_HOME=/root/.config
+ENV XDG_CACHE_HOME=/root/.cache
 RUN curl -L https://raw.githubusercontent.com/helm/helm/master/scripts/get-helm-3 | bash && \
   helm repo add stable https://kubernetes-charts.storage.googleapis.com && \
   helm repo update