common: add mk-userdata

Change-Id: I24e1c4fb29e9569d18fb9e2e50d08e9bcfd9901b
Signed-off-by: Eddie Cai <eddie.cai.linux@gmail.com>

common/mk-userdata.sh

@@ -0,0 +1,45 @@
+#!/bin/bash
+
+COMMON_DIR=$(cd `dirname $0`; pwd)
+if [ -h $0 ]
+then
+        CMD=$(readlink $0)
+        COMMON_DIR=$(dirname $CMD)
+fi
+
+if [ -n "$1" ]
+then
+        USERDATA_DIR="$1"
+else
+        exit 1
+fi
+
+if [ -n "$2" ]
+then
+        USERDATA_IMG="$2"
+else
+        exit 1
+fi
+
+if [ -n "$3" ]
+then
+        FS_TYPE="$3"
+else
+        exit 1
+fi
+
+if [ $FS_TYPE = ext2 ]
+then
+        $COMMON_DIR/mke2img.sh $USERDATA_DIR $USERDATA_IMG
+
+elif [ $FS_TYPE = fat ]
+then
+	SIZE=$(du -h -BM --max-depth=1 $USERDATA_DIR | awk '{print int($1)}')
+	# echo "create image size=${SIZE}M"
+	dd if=/dev/zero of=$USERDATA_IMG bs=1M count=$SIZE >/dev/null 2>&1
+	mkfs.vfat $USERDATA_IMG >/dev/null 2>&1
+	mcopy -i $USERDATA_IMG $USERDATA_DIR/* ::/ >/dev/null 2>&1
+else
+        echo "file system: $FS_TYPE not support."
+        exit 1
+fi