| #!/bin/bash |
| # |
| # To call this script, make sure mkfs.erofs is somewhere in PATH |
| |
| function usage() { |
| cat<<EOT |
| Usage: |
| ${0##*/} SRC_DIR OUTPUT_FILE [-s] [-m MOUNT_POINT] [-d PRODUCT_OUT] [-C FS_CONFIG ] [-c FILE_CONTEXTS] [-z COMPRESSOR] [-T TIMESTAMP] [-U UUID] [-B BLOCK_MAP] [-P PCLUSTER_SIZE] [-k CHUNK_SIZE] |
| EOT |
| } |
| |
| echo "in mkerofsimage.sh PATH=$PATH" |
| |
| if [ $# -lt 2 ]; then |
| usage |
| exit 1 |
| fi |
| |
| SRC_DIR=$1 |
| if [ ! -d $SRC_DIR ]; then |
| echo "Can not find directory $SRC_DIR!" |
| exit 2 |
| fi |
| OUTPUT_FILE=$2 |
| shift; shift |
| |
| SPARSE=false |
| if [[ "$1" == "-s" ]]; then |
| SPARSE=true |
| shift; |
| fi |
| |
| MOUNT_POINT= |
| if [[ "$1" == "-m" ]]; then |
| MOUNT_POINT=$2 |
| shift; shift |
| fi |
| |
| PRODUCT_OUT= |
| if [[ "$1" == "-d" ]]; then |
| PRODUCT_OUT=$2 |
| shift; shift |
| fi |
| |
| FS_CONFIG= |
| if [[ "$1" == "-C" ]]; then |
| FS_CONFIG=$2 |
| shift; shift |
| fi |
| |
| FILE_CONTEXTS= |
| if [[ "$1" == "-c" ]]; then |
| FILE_CONTEXTS=$2 |
| shift; shift |
| fi |
| |
| COMPRESSOR="lz4hc" |
| if [[ "$1" == "-z" ]]; then |
| COMPRESSOR=$2 |
| shift; shift |
| fi |
| |
| if [[ "$COMPRESSOR" == "none" ]]; then |
| COMPRESS_ARGS= |
| else |
| COMPRESS_ARGS="-z ${COMPRESSOR}" |
| fi |
| |
| TIMESTAMP= |
| if [[ "$1" == "-T" ]]; then |
| TIMESTAMP=$2 |
| shift; shift |
| fi |
| |
| UUID= |
| if [[ "$1" == "-U" ]]; then |
| UUID=$2 |
| shift; shift |
| fi |
| |
| BLOCK_MAP= |
| if [[ "$1" == "-B" ]]; then |
| BLOCK_MAP=$2 |
| shift; shift; |
| fi |
| |
| PCLUSTER_SIZE= |
| if [[ "$1" == "-P" ]]; then |
| PCLUSTER_SIZE=$2 |
| shift; shift; |
| fi |
| |
| CHUNK_SIZE= |
| if [[ "$1" == "-k" ]]; then |
| CHUNK_SIZE=$2 |
| shift; shift; |
| fi |
| |
| OPT="" |
| if [ -n "$MOUNT_POINT" ]; then |
| OPT="$OPT --mount-point $MOUNT_POINT" |
| fi |
| if [ -n "$PRODUCT_OUT" ]; then |
| OPT="$OPT --product-out $PRODUCT_OUT" |
| fi |
| if [ -n "$FS_CONFIG" ]; then |
| OPT="$OPT --fs-config-file $FS_CONFIG" |
| fi |
| if [ -n "$FILE_CONTEXTS" ]; then |
| OPT="$OPT --file-contexts $FILE_CONTEXTS" |
| fi |
| if [ -n "$TIMESTAMP" ]; then |
| OPT="$OPT -T $TIMESTAMP" |
| fi |
| if [ -n "$UUID" ]; then |
| OPT="$OPT -U $UUID" |
| fi |
| if [ -n "$BLOCK_MAP" ]; then |
| OPT="$OPT --block-list-file=$BLOCK_MAP" |
| fi |
| if [ -n "$PCLUSTER_SIZE" ]; then |
| OPT="$OPT -C${PCLUSTER_SIZE}" |
| fi |
| if [ -n "$CHUNK_SIZE" ]; then |
| OPT="$OPT --chunksize=$CHUNK_SIZE" |
| fi |
| |
| MAKE_EROFS_CMD="mkfs.erofs $COMPRESS_ARGS $OPT $OUTPUT_FILE $SRC_DIR" |
| echo $MAKE_EROFS_CMD |
| $MAKE_EROFS_CMD |
| |
| if [ $? -ne 0 ]; then |
| exit 4 |
| fi |
| |
| fsck.erofs --extract $OUTPUT_FILE |
| |
| SPARSE_SUFFIX=".sparse" |
| if [ "$SPARSE" = true ]; then |
| img2simg $OUTPUT_FILE $OUTPUT_FILE$SPARSE_SUFFIX |
| if [ $? -ne 0 ]; then |
| exit 4 |
| fi |
| mv $OUTPUT_FILE$SPARSE_SUFFIX $OUTPUT_FILE |
| fi |
| |