Clean up shell code

init.sh

@@ -1,3 +1,5 @@
+#!/usr/bin/env bash
+
 CPU_ARCH=""
 # get the architecture
 _cpu_arch=$(uname -m);
@@ -6,7 +8,7 @@ _cpu_arch=$(uname -m);
 # possible add: arm64
 if [ "${_cpu_arch}" = "x86_64" ]; then
 	CPU_ARCH="amd64";
-elif [ "${_cpu_arch}" = "aarch64" ]; then
+elif [ "${_cpu_arch}" = "aarch64" ] || [ "${_cpu_arch}" = "arm64" ]; then
 	CPU_ARCH="arm64";
 else
 	echo "Not supported architecture: ${_cpu_arch}";
@@ -20,4 +22,6 @@ if [ ! -d "${download_folder}" ]; then
 fi;
 target_file="/usr/local/bin/gitea";
 
+export arch target_file;
+
 # __END__