semi-automated PD on raspbian scripts: fix the issue where 'mv' comma…

…nd permanently removes the hook files

script/_dhcpv6_pd_ref

@@ -50,27 +50,24 @@ EOF
 # EOF
 # }
 
-dhcp6_pd_ref_stop()
+dhcpv6_pd_ref_stop()
 {
     if [[ -f "/etc/dhcpcd.conf.orig" ]]; then
         sudo mv /etc/dhcpcd.conf.orig /etc/dhcpcd.conf
     fi
     # sudo systemctl restart dhcpcd 
-    sudo rm /etc/dhcpcd.enter-hook /etc/dhcpcd.exit-hook
+    sudo rm -f /etc/dhcpcd.enter-hook /etc/dhcpcd.exit-hook
 
 }
 
-dhcp6_pd_ref_start()
+dhcpv6_pd_ref_start()
 {
     if [[ -f "/etc/dhcpcd.conf" ]]; then
         sudo mv /etc/dhcpcd.conf /etc/dhcpcd.conf.orig
     fi
     customise_dhcpcd_conf
     # Add dhcpcd.hooks
-    sudo mv ~/repo/script/reference-device/dhcpcd.enter-hook /etc/dhcpcd.enter-hook
-    sudo mv ~/repo/script/reference-device/dhcpcd.exit-hook /etc/dhcpcd.exit-hook
-    sudo chmod +x /etc/dhcpcd.enter-hook /etc/dhcpcd.exit-hook
+    sudo install -m 755 "$(dirname "$0")"/reference-device/dhcpcd.enter-hook /etc/dhcpcd.enter-hook
+    sudo install -m 755 "$(dirname "$0")"/reference-device/dhcpcd.exit-hook /etc/dhcpcd.exit-hook
 
 }
-
-dhcp6_pd_ref "$@"