From 3e63daf6fed2cbc94479052d73807cbd30bbce4b Mon Sep 17 00:00:00 2001
From: Remon Oldenbeuving <r.s.oldenbeuving@gmail.com>
Date: Tue, 7 Apr 2020 11:39:12 +0200
Subject: [PATCH] fix: Ensure lowercase GitHub image namespace

---
 entrypoint.sh | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/entrypoint.sh b/entrypoint.sh
index 76ce8fd..ddfa1d8 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -25,10 +25,11 @@ sanitize "${IMAGE}" "image"
 sanitize "${TAG}" "tag"
 
 if [ "$REGISTRY" == "docker.pkg.github.com" ]; then
-    export IMAGE="$GITHUB_REPOSITORY/$IMAGE"
+    IMAGE_NAMESPACE="$(echo $GITHUB_REPOSITORY | tr '[:upper:]' '[:lower:]')"
+    export IMAGE="$IMAGE_NAMESPACE/$IMAGE"
 
     if [ ! -z $INPUT_CACHE_REGISTRY ]; then
-        export INPUT_CACHE_REGISTRY="$REGISTRY/$GITHUB_REPOSITORY/$INPUT_CACHE_REGISTRY"
+        export INPUT_CACHE_REGISTRY="$REGISTRY/$IMAGE_NAMESPACE/$INPUT_CACHE_REGISTRY"
     fi
 fi