From 36110bf0362050f54f7dd714648abe0df72719bc Mon Sep 17 00:00:00 2001
From: Helmut Buchsbaum <helmut.buchsbaum@opensource.tttech-industrial.com>
Date: Wed, 4 May 2022 13:06:11 +0200
Subject: [PATCH] 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 | 3 ---
 debian/acrn-hypervisor.postrm.in   | 6 +++---
 debian/acrn-hypervisor.prerm.in    | 6 +++---
 debian/acrn-hypervisor.triggers    | 1 +
 debian/grub-acrn.postinst          | 2 +-
 debian/grub-acrn.triggers          | 1 +
 6 files changed, 9 insertions(+), 10 deletions(-)
 create mode 100644 debian/acrn-hypervisor.triggers
 create mode 100644 debian/grub-acrn.triggers

diff --git a/debian/acrn-hypervisor.postinst.in b/debian/acrn-hypervisor.postinst.in
index b2048c101..6ef528e19 100644
--- a/debian/acrn-hypervisor.postinst.in
+++ b/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
     ;;
 
diff --git a/debian/acrn-hypervisor.postrm.in b/debian/acrn-hypervisor.postrm.in
index 0ae0a2ab2..fa8ce7e6a 100644
--- a/debian/acrn-hypervisor.postrm.in
+++ b/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
diff --git a/debian/acrn-hypervisor.prerm.in b/debian/acrn-hypervisor.prerm.in
index 5ec1330d2..fdafffe08 100644
--- a/debian/acrn-hypervisor.prerm.in
+++ b/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)
diff --git a/debian/acrn-hypervisor.triggers b/debian/acrn-hypervisor.triggers
new file mode 100644
index 000000000..2a47b16f9
--- /dev/null
+++ b/debian/acrn-hypervisor.triggers
@@ -0,0 +1 @@
+activate-await grub-acrn-update
diff --git a/debian/grub-acrn.postinst b/debian/grub-acrn.postinst
index 5daad79ef..96943f4c2 100644
--- a/debian/grub-acrn.postinst
+++ b/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
diff --git a/debian/grub-acrn.triggers b/debian/grub-acrn.triggers
new file mode 100644
index 000000000..4bfbde3e2
--- /dev/null
+++ b/debian/grub-acrn.triggers
@@ -0,0 +1 @@
+interest-await grub-acrn-update