1 files changed, 13 insertions, 0 deletions
diff --git a/update-initramfs b/update-initramfs
index 42f2831..6e8e7aa 100755
--- a/update-initramfs
+++ b/update-initramfs
@@ -4,6 +4,7 @@ STATEDIR=/var/lib/initramfs-tools
 BOOTDIR=/boot
 CONF=/etc/initramfs-tools/update-initramfs.conf
 KPKGCONF=/etc/kernel-img.conf
+USETRIGGERS=true
 mode=""
 version=""
 
@@ -11,6 +12,18 @@ set -e
 
 [ -r ${CONF} ] && . ${CONF}
 
+if	   $USETRIGGERS						\
+	&& [ x"$DPKG_MAINTSCRIPT_PACKAGE" != x ]		\
+	&& [ $# = 1 ]	 					\
+	&& [ x"$1" = x-u ]					\
+	&& dpkg-trigger --check-supported 2>/dev/null
+then
+	if dpkg-trigger --no-await update-initramfs; then
+		echo "update-initramfs: deferring update (trigger activated)"
+		exit 0
+	fi
+fi
+
 usage()
 {
 	if [ -n "${1}" ]; then