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#!/bin/bash
#
# To call this script, make sure make_f2fs is somewhere in PATH
function usage() {
cat<<EOT
Usage:
${0##*/} OUTPUT_FILE SIZE
[-S] [-C FS_CONFIG] [-f SRC_DIR] [-D PRODUCT_OUT]
[-s FILE_CONTEXTS] [-t MOUNT_POINT] [-T TIMESTAMP]
[-L LABEL] [--prjquota] [--casefold] [--compression]
[--sldc <num> [sload compression sub-options]]
<num>: number of the sload compression args, e.g. -a LZ4 counts as 2
when sload compression args are not given, <num> must be 0,
and the default flags will be used.
Note: must conserve the option order
EOT
}
echo "in mkf2fsuserimg.sh PATH=$PATH"
MKFS_OPTS=""
SLOAD_OPTS=""
if [ $# -lt 2 ]; then
usage
exit 1
fi
OUTPUT_FILE=$1
SIZE=$2
shift; shift
SPARSE_IMG="false"
if [[ "$1" == "-S" ]]; then
MKFS_OPTS+=" -S $SIZE"
SLOAD_OPTS+=" -S"
SPARSE_IMG="true"
shift
fi
if [[ "$1" == "-C" ]]; then
SLOAD_OPTS+=" -C $2"
shift; shift
fi
if [[ "$1" == "-f" ]]; then
SLOAD_OPTS+=" -f $2"
shift; shift
fi
if [[ "$1" == "-D" ]]; then
SLOAD_OPTS+=" -p $2"
shift; shift
fi
if [[ "$1" == "-s" ]]; then
SLOAD_OPTS+=" -s $2"
shift; shift
fi
if [[ "$1" == "-t" ]]; then
MOUNT_POINT=$2
shift; shift
fi
if [ -z $MOUNT_POINT ]; then
echo "Mount point is required"
exit 2
fi
if [[ ${MOUNT_POINT:0:1} != "/" ]]; then
MOUNT_POINT="/"$MOUNT_POINT
fi
SLOAD_OPTS+=" -t $MOUNT_POINT"
if [[ "$1" == "-T" ]]; then
SLOAD_OPTS+=" -T $2"
shift; shift
fi
if [[ "$1" == "-L" ]]; then
MKFS_OPTS+=" -l $2"
shift; shift
fi
if [[ "$1" == "--prjquota" ]]; then
MKFS_OPTS+=" -O project_quota,extra_attr"
shift;
fi
if [[ "$1" == "--casefold" ]]; then
MKFS_OPTS+=" -O casefold -C utf8"
shift;
fi
if [[ "$1" == "--compression" ]]; then
COMPRESS_SUPPORT=1
MKFS_OPTS+=" -O compression,extra_attr"
shift;
fi
if [[ "$1" == "--sldc" ]]; then
if [ -z "$COMPRESS_SUPPORT" ]; then
echo "--sldc needs --compression flag"
exit 3
fi
SLOAD_OPTS+=" -c"
shift
SLDC_NUM_ARGS=$1
case $SLDC_NUM_ARGS in
''|*[!0-9]*)
echo "--sldc needs a number"
exit 3 ;;
esac
shift
while [ $SLDC_NUM_ARGS -gt 0 ]; do
SLOAD_OPTS+=" $1"
shift
(( SLDC_NUM_ARGS-- ))
done
fi
if [ -z $SIZE ]; then
echo "Need size of filesystem"
exit 2
fi
if [ "$SPARSE_IMG" = "false" ]; then
TRUNCATE_CMD="truncate -s $SIZE $OUTPUT_FILE"
echo $TRUNCATE_CMD
$TRUNCATE_CMD
if [ $? -ne 0 ]; then
exit 3
fi
fi
MAKE_F2FS_CMD="make_f2fs -g android $MKFS_OPTS $OUTPUT_FILE"
echo $MAKE_F2FS_CMD
$MAKE_F2FS_CMD
if [ $? -ne 0 ]; then
if [ "$SPARSE_IMG" = "false" ]; then
rm -f $OUTPUT_FILE
fi
exit 4
fi
SLOAD_F2FS_CMD="sload_f2fs $SLOAD_OPTS $OUTPUT_FILE"
echo $SLOAD_F2FS_CMD
$SLOAD_F2FS_CMD
# allow 1: Filesystem errors corrected
ret=$?
if [ $ret -ne 0 ] && [ $ret -ne 1 ]; then
rm -f $OUTPUT_FILE
exit 4
fi
exit 0
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