add arm processor detection

terraform-install.sh

@@ -14,8 +14,8 @@ set -e
 # sudoInstall=true
 
 scriptname=$(basename "$0")
-scriptbuildnum="1.5.1"
-scriptbuilddate="2018-10-19"
+scriptbuildnum="1.5.2"
+scriptbuilddate="2020-01-02"
 
 # CHECK DEPENDANCIES AND SET NET RETRIEVAL TOOL
 if ! unzip -h 2&> /dev/null; then
@@ -98,7 +98,10 @@ if [[ -z "$VERSION" ]]; then
 fi
 OS=$(uname -s | tr '[:upper:]' '[:lower:]')
 if [[ "$OS" == "linux" ]]; then
-  PROC=$(lscpu 2> /dev/null | awk '/Architecture/ {if($2 == "x86_64") {print "amd64"; exit} else {print "386"; exit}}')
+  PROC=$(lscpu 2> /dev/null | awk '/Architecture/ {if($2 == "x86_64") {print "amd64"; exit} else if($2 ~ /arm/) {print "arm"; exit} else {print "386"; exit}}')
+  if [[ -z $PROC ]]; then
+    PROC=$(cat /proc/cpuinfo | awk '/model\ name/ {if($0 ~ /ARM/) {print "arm"; exit}}')
+  fi
   if [[ -z $PROC ]]; then
     PROC=$(cat /proc/cpuinfo | awk '/flags/ {if($0 ~ /lm/) {print "amd64"; exit} else {print "386"; exit}}')
   fi