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#!/bin/bash
#
# To call this script, make sure mkfs.erofs is somewhere in PATH
function usage() {
cat<<EOT
Usage:
${0##*/} SRC_DIR OUTPUT_FILE [-s] [-m MOUNT_POINT] [-d PRODUCT_OUT] [-C FS_CONFIG ] [-c FILE_CONTEXTS] [-z COMPRESSOR] [-T TIMESTAMP] [-U UUID] [-B BLOCK_MAP]
EOT
}
echo "in mkerofsimage.sh PATH=$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=$2
shift; shift;
fi
OPT=""
if [ -n "$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
MAKE_EROFS_CMD="mkfs.erofs $COMPRESS_ARGS $OPT $OUTPUT_FILE $SRC_DIR"
echo $MAKE_EROFS_CMD
$MAKE_EROFS_CMD
if [ $? -ne 0 ]; then
exit 4
fi
SPARSE_SUFFIX=".sparse"
if [ "$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
|
