From 4428e6e75e0bf841250dcec8f837c037c692d2cb Mon Sep 17 00:00:00 2001
From: Elvin Efendi <elvin.efendiyev@gmail.com>
Date: Wed, 18 Mar 2020 20:00:37 -0400
Subject: [PATCH] do not require go for building

---
 Makefile               | 9 +++++----
 build/run-in-docker.sh | 5 ++++-
 2 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/Makefile b/Makefile
index 2fd29ccd7..9ca95789f 100644
--- a/Makefile
+++ b/Makefile
@@ -15,10 +15,6 @@
 # Add the following 'help' target to your Makefile
 # And add help text after each target name starting with '\#\#'
 
-ifeq ($(shell which go >/dev/null 2>&1; echo $$?), 1)
-    $(error Can't find 'go' in PATH, please fix and retry. See http://golang.org/doc/install for installation instructions.)
-endif
-
 .DEFAULT_GOAL:=help
 
 .EXPORT_ALL_VARIABLES:
@@ -274,7 +270,12 @@ run-ingress-controller: ## Run the ingress controller locally using a kubectl pr
 
 .PHONY: check-go-version
 check-go-version:
+ifeq ($(USE_DOCKER), true)
+	@build/run-in-docker.sh \
+		hack/check-go-version.sh
+else
 	@hack/check-go-version.sh
+endif
 
 .PHONY: init-docker-buildx
 init-docker-buildx:
diff --git a/build/run-in-docker.sh b/build/run-in-docker.sh
index a3676e5b1..07cd16e20 100755
--- a/build/run-in-docker.sh
+++ b/build/run-in-docker.sh
@@ -43,7 +43,10 @@ KUBE_ROOT=$(cd $(dirname "${BASH_SOURCE}")/.. && pwd -P)
 FLAGS=$@
 
 PKG=k8s.io/ingress-nginx
-ARCH=$(go env GOARCH)
+ARCH=${ARCH:-}
+if [[ -z "$ARCH" ]]; then
+  ARCH=$(go env GOARCH)
+fi
 
 # create output directory as current user to avoid problem with docker.
 mkdir -p "${KUBE_ROOT}/bin" "${KUBE_ROOT}/bin/${ARCH}"