Add a trigger for creating/updating the initramfs.

It's activated at post-install time, and only if template uses:
triggers="initramfs-tools". Use it in the kernel package.

Also print a message when a trigger is being run.

--HG--
extra : convert_revision : 3f2a0c113ed523e4b09822665cf6d94e30b7d1e4

templates/xbps-base-dirs/template

@@ -1,6 +1,6 @@
 # Template file for 'xbps-base-dirs'
 pkgname=xbps-base-dirs
-version=0.3
+version=0.4
 build_style=custom-install
 short_desc="xbps base system directories"
 maintainer="Juan RP <xtraeme@gmail.com>"
@@ -22,7 +22,8 @@ do_install()
 	mkdir -p -m 0750 $DESTDIR/root
 	mkdir -p -m 1777 $DESTDIR/tmp $DESTDIR/var/tmp
 
-	for f in local bin include lib sbin src; do
+	for f in local local/bin local/sbin local/include local/lib \
+		 bin include lib sbin src; do
 		mkdir -p $DESTDIR/usr/$f
 	done
 
@@ -50,8 +51,7 @@ do_install()
 		cd $DESTDIR/usr && ln -s lib lib64
 	fi
 
-	for f in info-files; do
-		install -D -m 755 ${XBPS_TRIGGERSDIR}/$f \
-			$DESTDIR/var/db/xbps/triggers/$f
+	for f in $(find $XBPS_TRIGGERSDIR -type f -perm 755); do
+		install -D -m 755 $f $DESTDIR/var/db/xbps/triggers/$(basename $f)
 	done
 }