mkuserimg.sh revision dff7e7d85520f81b5501870d58c167748f805364 
1#!/bin/bash
2#
3# To call this script, make sure make_ext4fs is somewhere in PATH
4
5function usage() {
6cat<<EOT
7Usage:
8mkuserimg.sh [-s] SRC_DIR OUTPUT_FILE EXT_VARIANT MOUNT_POINT SIZE
9EOT
10}
11
12echo "in mkuserimg.sh PATH=$PATH"
13
14ENABLE_SPARSE_IMAGE=
15if [ "$1" = "-s" ]; then
16  ENABLE_SPARSE_IMAGE="-s"
17  shift
18fi
19
20if [ $# -ne 4 -a $# -ne 5 ]; then
21  usage
22  exit 1
23fi
24
25SRC_DIR=$1
26if [ ! -d $SRC_DIR ]; then
27  echo "Can not find directory $SRC_DIR!"
28  exit 2
29fi
30
31OUTPUT_FILE=$2
32EXT_VARIANT=$3
33MOUNT_POINT=$4
34SIZE=$5
35
36case $EXT_VARIANT in
37  ext4) ;;
38  *) echo "Only ext4 is supported!"; exit 3 ;;
39esac
40
41if [ -z $MOUNT_POINT ]; then
42  echo "Mount point is required"
43  exit 2
44fi
45
46if [ -z $SIZE ]; then
47    SIZE=128M
48fi
49
50MAKE_EXT4FS_CMD="make_ext4fs $ENABLE_SPARSE_IMAGE -l $SIZE -a $MOUNT_POINT $OUTPUT_FILE $SRC_DIR"
51echo $MAKE_EXT4FS_CMD
52$MAKE_EXT4FS_CMD
53if [ $? -ne 0 ]; then
54  exit 4
55fi
56