1 #!/bin/bash 2 # 3 # To call this script, make sure make_ext4fs is somewhere in PATH 4 5 function usage() { 6 cat<<EOT 7 Usage: 8 mkuserimg.sh [-s] SRC_DIR OUTPUT_FILE EXT_VARIANT MOUNT_POINT SIZE 9 [-T TIMESTAMP] [-C FS_CONFIG] [-B BLOCK_LIST_FILE] [FILE_CONTEXTS] 10 EOT 11 } 12 13 ENABLE_SPARSE_IMAGE= 14 if [ "$1" = "-s" ]; then 15 ENABLE_SPARSE_IMAGE="-s" 16 shift 17 fi 18 19 if [ $# -lt 5 ]; then 20 usage 21 exit 1 22 fi 23 24 SRC_DIR=$1 25 if [ ! -d $SRC_DIR ]; then 26 echo "Can not find directory $SRC_DIR!" 27 exit 2 28 fi 29 30 OUTPUT_FILE=$2 31 EXT_VARIANT=$3 32 MOUNT_POINT=$4 33 SIZE=$5 34 shift; shift; shift; shift; shift 35 36 TIMESTAMP=-1 37 if [[ "$1" == "-T" ]]; then 38 TIMESTAMP=$2 39 shift; shift 40 fi 41 42 FS_CONFIG= 43 if [[ "$1" == "-C" ]]; then 44 FS_CONFIG=$2 45 shift; shift 46 fi 47 48 BLOCK_LIST= 49 if [[ "$1" == "-B" ]]; then 50 BLOCK_LIST=$2 51 shift; shift 52 fi 53 54 FC=$1 55 56 case $EXT_VARIANT in 57 ext4) ;; 58 *) echo "Only ext4 is supported!"; exit 3 ;; 59 esac 60 61 if [ -z $MOUNT_POINT ]; then 62 echo "Mount point is required" 63 exit 2 64 fi 65 66 if [ -z $SIZE ]; then 67 echo "Need size of filesystem" 68 exit 2 69 fi 70 71 OPT="" 72 if [ -n "$FC" ]; then 73 OPT="$OPT -S $FC" 74 fi 75 if [ -n "$FS_CONFIG" ]; then 76 OPT="$OPT -C $FS_CONFIG" 77 fi 78 if [ -n "$BLOCK_LIST" ]; then 79 OPT="$OPT -B $BLOCK_LIST" 80 fi 81 82 MAKE_EXT4FS_CMD="make_ext4fs $ENABLE_SPARSE_IMAGE -T $TIMESTAMP $OPT -l $SIZE -a $MOUNT_POINT $OUTPUT_FILE $SRC_DIR" 83 echo $MAKE_EXT4FS_CMD 84 $MAKE_EXT4FS_CMD 85 if [ $? -ne 0 ]; then 86 exit 4 87 fi 88
