From f2f50c90188187a7ecd66b8b94131c6dd3ddedf4 Mon Sep 17 00:00:00 2001
From: Shaka Huang <shakalaca@gmail.com>
Date: Tue, 14 Jul 2015 20:02:42 +0800
Subject: [PATCH] Add helper script

Signed-off-by: Shaka Huang <shakalaca@gmail.com>
---
 bin/extract_boot.sh |  4 ++++
 bin/pack_boot.sh    | 23 +++++++++++++++++++++++
 2 files changed, 27 insertions(+)
 create mode 100755 bin/extract_boot.sh
 create mode 100755 bin/pack_boot.sh

diff --git a/bin/extract_boot.sh b/bin/extract_boot.sh
new file mode 100755
index 0000000..4ae3abf
--- /dev/null
+++ b/bin/extract_boot.sh
@@ -0,0 +1,4 @@
+#!/bin/bash
+
+./unpackbootimg -i boot.img -o boot
+
diff --git a/bin/pack_boot.sh b/bin/pack_boot.sh
new file mode 100755
index 0000000..db7d12b
--- /dev/null
+++ b/bin/pack_boot.sh
@@ -0,0 +1,23 @@
+#!/bin/bash
+
+if [ -f boot.img ]; then 
+  rm boot.img
+fi
+
+if [ -d boot/ramdisk ]; then
+  cd boot
+  rm -f ramdisk.*
+  find . -name "*~" -exec rm -f {} \;
+  
+  if [ "$(uname)" == "Darwin" ]; then
+    mkbootfs ramdisk | gzip > ramdisk.cpio.gz
+  else
+    cd ramdisk
+    find | fakeroot cpio -H newc -o 2>/dev/null >../ramdisk.cpio
+    cd ..
+    gzip -n -9 ramdisk.cpio
+  fi
+  cd ..
+fi
+
+./mkbootimg --kernel boot/zImage --ramdisk boot/ramdisk.cpio.gz --second boot/second.bin --cmdline "$(cat boot/cmdline)" -o boot.img