debian: Trigger grub-acrn on acrn-hypervisor install

Tracked-On: #6688
Signed-off-by: Helmut Buchsbaum <helmut.buchsbaum@opensource.tttech-industrial.com>

debian/acrn-hypervisor.postinst.in

@@ -44,9 +44,6 @@ case "$1" in
                 cat ${ACRNETC}/serial.conf >> /etc/serial.conf
                 echo "# END - ACRN HYPERVISOR INSTALL" >> /etc/serial.conf
             fi
-            if command -v update-grub > /dev/null && [ -d /boot/grub ]; then
-                update-grub || :
-            fi
         fi
     ;;
 

debian/acrn-hypervisor.postrm.in

@@ -5,6 +5,8 @@
 
 set -e
 
+. /usr/share/debconf/confmodule
+
 rm_acrn()
 {
     rm -f /boot/acrn-@acrnversion@.config
@@ -30,9 +32,7 @@ rm_acrn()
 case "$1" in
     remove|purge)
         rm_acrn
-        if command -v update-grub > /dev/null && [ -d /boot/grub ]; then
-            update-grub || :
-        fi
+	db_purge acrn-hypervisor || :
     ;;
     upgrade)
         rm_acrn

debian/acrn-hypervisor.prerm.in

@@ -5,6 +5,8 @@
 
 set -e
 
+. /usr/share/debconf/confmodule
+
 rm_acrn()
 {
     rm -f /boot/acrn-@acrnversion@.config
@@ -31,9 +33,7 @@ rm_acrn()
 case "$1" in
     deconfigure)
         rm_acrn
-        if command -v update-grub > /dev/null && [ -d /boot/grub ]; then
-            update-grub || :
-        fi
+        db_purge acrn-hypervisor || :
     ;;
 
     remove|upgrade|failed-upgrade)

debian/acrn-hypervisor.triggers

@@ -0,0 +1 @@
+activate-await grub-acrn-update

debian/grub-acrn.postinst

@@ -6,7 +6,7 @@
 set -e
 
 case "$1" in
-    configure)
+    configure|triggered)
         if command -v update-grub > /dev/null && [ -d /boot/grub ]; then
             update-grub || :
         fi

debian/grub-acrn.triggers

@@ -0,0 +1 @@
+interest-await grub-acrn-update