From cd3fbcf86411107ff7add3421541fca0d451e1d9 Mon Sep 17 00:00:00 2001
From: Julio Montes <julio.montes@intel.com>
Date: Thu, 8 Feb 2018 19:35:58 -0600
Subject: [PATCH] rootfs-builder: ARM64 support

Install the right version of golang depending of the host architecture

fixes #60

Signed-off-by: Julio Montes <julio.montes@intel.com>
---
 rootfs-builder/rootfs.sh | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/rootfs-builder/rootfs.sh b/rootfs-builder/rootfs.sh
index 9d68283ecd..7b41594b43 100755
--- a/rootfs-builder/rootfs.sh
+++ b/rootfs-builder/rootfs.sh
@@ -92,9 +92,19 @@ check_function_exist() {
 generate_dockerfile() {
 	dir="$1"
 
+	case "$(arch)" in
+		"aarch64")
+			goarch=arm64
+			;;
+
+		*)
+			goarch=amd64
+			;;
+	esac
+
 	readonly install_go="
-ADD https://storage.googleapis.com/golang/go${GO_VERSION}.linux-amd64.tar.gz /tmp
-RUN tar -C /usr/ -xzf /tmp/go${GO_VERSION}.linux-amd64.tar.gz
+ADD https://storage.googleapis.com/golang/go${GO_VERSION}.linux-${goarch}.tar.gz /tmp
+RUN tar -C /usr/ -xzf /tmp/go${GO_VERSION}.linux-${goarch}.tar.gz
 ENV GOROOT=/usr/go
 ENV PATH=\$PATH:\$GOROOT/bin:\$GOPATH/bin
 "