Merge pull request #372 from thaJeztah/arch_detect

hack/util: take other arches into account on Darwin

hack/test

@@ -35,7 +35,7 @@ case $buildmode in
 esac
 
 cacheVolume="buildx-cache"
-if ! docker inspect "$cacheVolume" 2>&1 >/dev/null ; then
+if ! docker inspect "$cacheVolume" > /dev/null 2>&1 ; then
 cacheVolume=$(docker create --name=buildx-cache -v /root/.cache -v /go/pkg/mod alpine)
 fi
 

hack/util

@@ -22,10 +22,13 @@ else
 fi
 
 if [ -z "$CLI_PLATFORM" ]; then
-	rawos=$(uname -s)
-	if [ "$rawos" = "Darwin" ]; then
-		CLI_PLATFORM="darwin/amd64"
-	elif uname -s | grep MINGW 2>&1 >/dev/null ; then
+  if [ "$(uname -s)" = "Darwin" ]; then
+      arch="$(uname -m)"
+      if [ "$arch" = "x86_64" ]; then
+          arch="amd64"
+      fi
+      CLI_PLATFORM="darwin/$arch"
+  elif uname -s | grep MINGW > /dev/null 2>&1 ; then
     CLI_PLATFORM="windows/amd64"
   fi
 fi