1#!/bin/bash 2# 3# To call this script, make sure mksquashfs is somewhere in PATH 4 5function usage() { 6cat<<EOT 7Usage: 8${0##*/} SRC_DIR OUTPUT_FILE [-s] [-m MOUNT_POINT] [-d PRODUCT_OUT] [-C FS_CONFIG ] [-c FILE_CONTEXTS] [-B BLOCK_MAP_FILE] [-b BLOCK_SIZE] [-z COMPRESSOR] [-zo COMPRESSOR_OPT] [-t COMPRESS_THRESHOLD] [-w WHITELIST_FILE] [-a] 9EOT 10} 11 12echo "in mksquashfsimage.sh PATH=$PATH" 13 14if [ $# -lt 2 ]; then 15 usage 16 exit 1 17fi 18 19SRC_DIR=$1 20if [ ! -d $SRC_DIR ]; then 21 echo "Can not find directory $SRC_DIR!" 22 exit 2 23fi 24OUTPUT_FILE=$2 25shift; shift 26 27SPARSE=false 28if [[ "$1" == "-s" ]]; then 29 SPARSE=true 30 shift; 31fi 32 33MOUNT_POINT= 34if [[ "$1" == "-m" ]]; then 35 MOUNT_POINT=$2 36 shift; shift 37fi 38 39PRODUCT_OUT= 40if [[ "$1" == "-d" ]]; then 41 PRODUCT_OUT=$2 42 shift; shift 43fi 44 45FS_CONFIG= 46if [[ "$1" == "-C" ]]; then 47 FS_CONFIG=$2 48 shift; shift 49fi 50 51FILE_CONTEXTS= 52if [[ "$1" == "-c" ]]; then 53 FILE_CONTEXTS=$2 54 shift; shift 55fi 56 57BLOCK_MAP_FILE= 58if [[ "$1" == "-B" ]]; then 59 BLOCK_MAP_FILE=$2 60 shift; shift 61fi 62 63BLOCK_SIZE=131072 64if [[ "$1" == "-b" ]]; then 65 BLOCK_SIZE=$2 66 shift; shift 67fi 68 69COMPRESSOR="lz4" 70COMPRESSOR_OPT="-Xhc" 71if [[ "$1" == "-z" ]]; then 72 COMPRESSOR=$2 73 COMPRESSOR_OPT= 74 shift; shift 75fi 76 77if [[ "$1" == "-zo" ]]; then 78 COMPRESSOR_OPT=$2 79 shift; shift 80fi 81 82COMPRESS_THRESHOLD=0 83if [[ "$1" == "-t" ]]; then 84 COMPRESS_THRESHOLD=$2 85 shift; shift 86fi 87 88WHITELIST_FILE= 89if [[ "$1" == "-w" ]]; then 90 WHITELIST_FILE=$2 91 shift; shift 92fi 93 94DISABLE_4K_ALIGN=false 95if [[ "$1" == "-a" ]]; then 96 DISABLE_4K_ALIGN=true 97 shift; 98fi 99 100OPT="" 101if [ -n "$MOUNT_POINT" ]; then 102 OPT="$OPT -mount-point $MOUNT_POINT" 103fi 104if [ -n "$PRODUCT_OUT" ]; then 105 OPT="$OPT -product-out $PRODUCT_OUT" 106fi 107if [ -n "$FS_CONFIG" ]; then 108 OPT="$OPT -fs-config-file $FS_CONFIG" 109fi 110if [ -n "$FILE_CONTEXTS" ]; then 111 OPT="$OPT -context-file $FILE_CONTEXTS" 112fi 113if [ -n "$BLOCK_MAP_FILE" ]; then 114 OPT="$OPT -block-map $BLOCK_MAP_FILE" 115fi 116if [ -n "$BLOCK_SIZE" ]; then 117 OPT="$OPT -b $BLOCK_SIZE" 118fi 119if [ -n "$COMPRESS_THRESHOLD" ]; then 120 OPT="$OPT -t $COMPRESS_THRESHOLD" 121fi 122if [ "$DISABLE_4K_ALIGN" = true ]; then 123 OPT="$OPT -disable-4k-align" 124fi 125if [ -n "$WHITELIST_FILE" ]; then 126 OPT="$OPT -whitelist $WHITELIST_FILE" 127fi 128 129MAKE_SQUASHFS_CMD="mksquashfs $SRC_DIR/ $OUTPUT_FILE -no-progress -comp $COMPRESSOR $COMPRESSOR_OPT -no-exports -noappend -no-recovery -no-fragments -no-duplicates -android-fs-config $OPT" 130echo $MAKE_SQUASHFS_CMD 131$MAKE_SQUASHFS_CMD 132 133if [ $? -ne 0 ]; then 134 exit 4 135fi 136 137SPARSE_SUFFIX=".sparse" 138if [ "$SPARSE" = true ]; then 139 img2simg $OUTPUT_FILE $OUTPUT_FILE$SPARSE_SUFFIX 140 if [ $? -ne 0 ]; then 141 exit 4 142 fi 143 mv $OUTPUT_FILE$SPARSE_SUFFIX $OUTPUT_FILE 144fi 145 146