1#!/bin/bash 2# 3# To call this script, make sure mkfs.erofs is somewhere in PATH 4 5function usage() { 6cat<<EOT 7Usage: 8${0##*/} SRC_DIR OUTPUT_FILE [-s] [-m MOUNT_POINT] [-d PRODUCT_OUT] [-C FS_CONFIG ] [-c FILE_CONTEXTS] [-z COMPRESSOR] [-T TIMESTAMP] [-U UUID] 9EOT 10} 11 12echo "in mkerofsimage.sh PATH=$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 57COMPRESSOR="lz4hc" 58if [[ "$1" == "-z" ]]; then 59 COMPRESSOR=$2 60 shift; shift 61fi 62 63TIMESTAMP= 64if [[ "$1" == "-T" ]]; then 65 TIMESTAMP=$2 66 shift; shift 67fi 68 69UUID= 70if [[ "$1" == "-U" ]]; then 71 UUID=$2 72 shift; shift 73fi 74 75OPT="" 76if [ -n "$MOUNT_POINT" ]; then 77 OPT="$OPT --mount-point $MOUNT_POINT" 78fi 79if [ -n "$PRODUCT_OUT" ]; then 80 OPT="$OPT --product-out $PRODUCT_OUT" 81fi 82if [ -n "$FS_CONFIG" ]; then 83 OPT="$OPT --fs-config-file $FS_CONFIG" 84fi 85if [ -n "$FILE_CONTEXTS" ]; then 86 OPT="$OPT --file-contexts $FILE_CONTEXTS" 87fi 88if [ -n "$TIMESTAMP" ]; then 89 OPT="$OPT -T $TIMESTAMP" 90fi 91if [ -n "$UUID" ]; then 92 OPT="$OPT -U $UUID" 93fi 94 95MAKE_EROFS_CMD="mkfs.erofs -z $COMPRESSOR $OPT $OUTPUT_FILE $SRC_DIR" 96echo $MAKE_EROFS_CMD 97$MAKE_EROFS_CMD 98 99if [ $? -ne 0 ]; then 100 exit 4 101fi 102 103SPARSE_SUFFIX=".sparse" 104if [ "$SPARSE" = true ]; then 105 img2simg $OUTPUT_FILE $OUTPUT_FILE$SPARSE_SUFFIX 106 if [ $? -ne 0 ]; then 107 exit 4 108 fi 109 mv $OUTPUT_FILE$SPARSE_SUFFIX $OUTPUT_FILE 110fi 111 112