update-kernel: use quiet mode when available

update-kernel.in

@@ -40,14 +40,14 @@ clean_up() {
     set +e
     ignore_sigs
 
-    apk del $VIRTUAL
+    apk del -q $VIRTUAL
     rm -fr $TMPDIR
 }
 
 trap clean_up EXIT $SIGNALS
 
 
-apk add -U --virtual $VIRTUAL mkinitfs squashfs-tools
+apk add -qU -t $VIRTUAL mkinitfs squashfs-tools
 
 . /etc/mkinitfs/mkinitfs.conf
 
@@ -56,9 +56,9 @@ FLAVOR=$(uname -r | cut -d - -f 3-)
 TMPDIR=$(mktemp -dt $SCRIPT.XXXXXX)
 ROOT=$TMPDIR/root
 
-apk add --arch $ARCH --root $ROOT --keys-dir /etc/apk/keys \
-        --repositories /etc/apk/repositories --no-scripts \
-        --initdb -U alpine-base dahdi-linux linux-$FLAVOR linux-firmware
+apk add -qU -p $ROOT --initdb --no-scripts --arch $ARCH \
+    --keys-dir /etc/apk/keys --repositories-file /etc/apk/repositories \
+    alpine-base dahdi-linux linux-$FLAVOR linux-firmware
 
 KVER=$(ls $ROOT/lib/modules)
 depmod -b $ROOT $KVER
@@ -73,7 +73,7 @@ cp -a $ROOT/lib/modules $MODLOOP
 cp -a $ROOT/lib/firmware $MODLOOP/modules
 mksquashfs $MODLOOP $STAGING/$MODIMG -comp xz
 
-mkinitfs -F "$features squashfs" -b $ROOT -o $STAGING/$FLAVOR.gz $KVER
+mkinitfs -q -F "$features squashfs" -b $ROOT -o $STAGING/$FLAVOR.gz $KVER
 cp $ROOT/boot/vmlinuz-$FLAVOR $STAGING/$FLAVOR