pkg: also rc.shutdown hook, better for ACPI shutdown

+POST_INSTALL

@@ -21,6 +21,16 @@ EOF
 cat /etc/rc.bak >> /etc/rc
 rm -f /etc/rc.bak
 
+echo "Hooking into /etc/rc.shutdown"
+cp /etc/rc.shutdown /etc/rc.shutdown.bak
+cat > /etc/rc.shutdown <<EOF
+#!/bin/sh
+# OPNsense rc(8) hook was automatically installed:
+if [ -f /usr/local/etc/rc.shutdown ]; then /usr/local/etc/rc.shutdown; exit 0; fi
+EOF
+cat /etc/rc.shutdown.bak >> /etc/rc.shutdown
+rm -f /etc/rc.shutdown.bak
+
 echo "Writing package metadata"
 mkdir -p /usr/local/opnsense/version
 if [ -f /usr/local/opnsense/version/opnsense ]; then

+PRE_DEINSTALL

@@ -13,3 +13,8 @@ echo "Unhooking from /etc/rc"
 cp /etc/rc /etc/rc.bak
 tail -n +4 /etc/rc.bak > /etc/rc
 rm -f /etc/rc.bak
+
+echo "Unhooking from /etc/rc.shutdown"
+cp /etc/rc.shutdown /etc/rc.shutdown.bak
+tail -n +4 /etc/rc.shutdown.bak > /etc/rc.shutdown
+rm -f /etc/rc.shutdown.bak

plist

@@ -98,7 +98,6 @@
 /usr/local/etc/rc.firmware
 /usr/local/etc/rc.firmware.subr
 /usr/local/etc/rc.halt
-/usr/local/etc/rc.halt.subr
 /usr/local/etc/rc.initial
 /usr/local/etc/rc.initial.banner
 /usr/local/etc/rc.initial.defaults
@@ -137,6 +136,7 @@
 /usr/local/etc/rc.reload_interfaces
 /usr/local/etc/rc.resolv_conf_generate
 /usr/local/etc/rc.restart_webgui
+/usr/local/etc/rc.shutdown
 /usr/local/etc/rc.sshd
 /usr/local/etc/rc.syshook
 /usr/local/etc/rc.update_alias_url_data

src/etc/rc.halt

 #!/bin/sh
 
-. /usr/local/etc/rc.halt.subr
+. /usr/local/etc/rc.shutdown
 
 /sbin/shutdown -op now

src/etc/rc.reboot

 #!/bin/sh
 
-. /usr/local/etc/rc.halt.subr
+. /usr/local/etc/rc.shutdown
 
 /sbin/shutdown -or now