packer/kali_rolling_vmware.json in pwn-0.4.409 vs packer/kali_rolling_vmware.json in pwn-0.4.410

@@ -1,9 +1,11 @@
 {
   "variables": {
     "vagrant_cloud_token": "{{ env `VAGRANT_CLOUD_TOKEN` }}",
-    "box_version": "{{ env `BOX_VERSION` }}"
+    "box_version": "{{ env `BOX_VERSION` }}",
+    "pwn_root": "{{ env 'PWN_ROOT' }}",
+    "pwn_provider": "{{ PWN_PROVIDER=vmware }}"
   },
   "builders": [{
     "type": "vmware-iso",
     "guest_os_type": "debian7-64",
     "vmx_data": {
@@ -41,12 +43,12 @@
   }],
   "provisioners": [
     {
       "type": "shell",
       "environment_vars": [
-        "PWN_ROOT=\$(ruby -r pwn -e 'puts \"#{Gem.path.first}/gems/pwn-#{PWN::VERSION}\"')",
-        "PWN_PROVIDER=vmware"
+        "PWN_ROOT={{user `pwn_root` }}",
+        "PWN_PROVIDER={{user `pwn_provider` }}"
       ],
       "scripts": [
         "provisioners/upload_globals.sh",
         "provisioners/init_image.sh"
       ]
@@ -61,12 +63,12 @@
 
     {
       "pause_before": "180s",
       "type": "shell",
       "environment_vars": [
-        "PWN_ROOT=\$(ruby -r pwn -e 'puts \"#{Gem.path.first}/gems/pwn-#{PWN::VERSION}\"')",
-        "PWN_PROVIDER=vmware"
+        "PWN_ROOT={{user `pwn_root` }}",
+        "PWN_PROVIDER={{user `pwn_provider` }}"
       ],
       "scripts": [
         "provisioners/install_vagrant_ssh_key.sh",
         "provisioners/update_os.sh"
        ]
@@ -81,11 +83,11 @@
 
     {
       "pause_before": "180s",
       "type": "shell",
       "environment_vars": [
-        "PWN_ROOT=\$(ruby -r pwn -e 'puts \"#{Gem.path.first}/gems/pwn-#{PWN::VERSION}\"')",
-        "PWN_PROVIDER=vmware"
+        "PWN_ROOT={{user `pwn_root` }}",
+        "PWN_PROVIDER={{user `pwn_provider` }}"
       ],
       "scripts": [
         "provisioners/coreutils.sh",
         "provisioners/git.sh",
         "provisioners/curl.sh",