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 [-j <journal_size>] 9 [-T TIMESTAMP] [-C FS_CONFIG] [-D PRODUCT_OUT] [-B BLOCK_LIST_FILE] [-L LABEL] [FILE_CONTEXTS] 10EOT 11} 12 13ENABLE_SPARSE_IMAGE= 14if [ "$1" = "-s" ]; then 15 ENABLE_SPARSE_IMAGE="-s" 16 shift 17fi 18 19if [ $# -lt 5 ]; then 20 usage 21 exit 1 22fi 23 24SRC_DIR=$1 25if [ ! -d $SRC_DIR ]; then 26 echo "Can not find directory $SRC_DIR!" 27 exit 2 28fi 29 30OUTPUT_FILE=$2 31EXT_VARIANT=$3 32MOUNT_POINT=$4 33SIZE=$5 34shift; shift; shift; shift; shift 35 36JOURNAL_FLAGS= 37if [ "$1" = "-j" ]; then 38 if [ "$2" = "0" ]; then 39 JOURNAL_FLAGS="-J" 40 else 41 JOURNAL_FLAGS="-j $2" 42 fi 43 shift; shift 44fi 45 46TIMESTAMP=-1 47if [[ "$1" == "-T" ]]; then 48 TIMESTAMP=$2 49 shift; shift 50fi 51 52FS_CONFIG= 53if [[ "$1" == "-C" ]]; then 54 FS_CONFIG=$2 55 shift; shift 56fi 57 58PRODUCT_OUT= 59if [[ "$1" == "-D" ]]; then 60 PRODUCT_OUT=$2 61 shift; shift 62fi 63 64BLOCK_LIST= 65if [[ "$1" == "-B" ]]; then 66 BLOCK_LIST=$2 67 shift; shift 68fi 69 70LABEL= 71if [[ "$1" == "-L" ]]; then 72 LABEL=$2 73 shift; shift 74fi 75 76FC=$1 77 78case $EXT_VARIANT in 79 ext4) ;; 80 *) echo "Only ext4 is supported!"; exit 3 ;; 81esac 82 83if [ -z $MOUNT_POINT ]; then 84 echo "Mount point is required" 85 exit 2 86fi 87 88if [ -z $SIZE ]; then 89 echo "Need size of filesystem" 90 exit 2 91fi 92 93OPT="" 94if [ -n "$FC" ]; then 95 OPT="$OPT -S $FC" 96fi 97if [ -n "$FS_CONFIG" ]; then 98 OPT="$OPT -C $FS_CONFIG" 99fi 100if [ -n "$BLOCK_LIST" ]; then 101 OPT="$OPT -B $BLOCK_LIST" 102fi 103if [ -n "$LABEL" ]; then 104 OPT="$OPT -L $LABEL" 105fi 106 107MAKE_EXT4FS_CMD="make_ext4fs $ENABLE_SPARSE_IMAGE -T $TIMESTAMP $OPT -l $SIZE $JOURNAL_FLAGS -a $MOUNT_POINT $OUTPUT_FILE $SRC_DIR $PRODUCT_OUT" 108echo $MAKE_EXT4FS_CMD 109$MAKE_EXT4FS_CMD 110if [ $? -ne 0 ]; then 111 exit 4 112fi 113