From 6e1f2e063d2f9371b839a4f9d82844e8d75f67be Mon Sep 17 00:00:00 2001
From: Peng Tao <bergwolf@gmail.com>
Date: Thu, 22 Mar 2018 23:20:53 +0800
Subject: [PATCH] Makefile: allow to build image and initrd based on existing
 rootfs

Just so that we do not have to re-build rootfs every time for local
build/testing.

Fixes: #69

Signed-off-by: Peng Tao <bergwolf@gmail.com>
---
 Makefile | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/Makefile b/Makefile
index 6f3aaa5963..ccc2ea53e0 100644
--- a/Makefile
+++ b/Makefile
@@ -10,14 +10,19 @@ DISTRO_ROOTFS := "$(PWD)/$(DISTRO)_rootfs"
 IMG_SIZE=500
 AGENT_INIT ?= no
 
+all: rootfs image initrd
 rootfs:
 	@echo Creating rootfs based on "$(DISTRO)"
 	"$(MK_DIR)/rootfs-builder/rootfs.sh" -r "$(DISTRO_ROOTFS)" "$(DISTRO)"
 
-image: rootfs
+image: rootfs image-only
+
+image-only:
 	@echo Creating image based on "$(DISTRO_ROOTFS)"
 	"$(MK_DIR)/image-builder/image_builder.sh" -s "$(IMG_SIZE)" "$(DISTRO_ROOTFS)"
 
-initrd: rootfs
+initrd: rootfs initrd-only
+
+initrd-only:
 	@echo Creating initrd image based on "$(DISTRO_ROOTFS)"
 	"$(MK_DIR)/initrd-builder/initrd_builder.sh" "$(DISTRO_ROOTFS)"