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181 lines
3.3 KiB
181 lines
3.3 KiB
#!/bin/bash
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#
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# To call this script, make sure make_f2fs is somewhere in PATH
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function usage() {
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cat<<EOT
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Usage:
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${0##*/} OUTPUT_FILE SIZE
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[-S] [-C FS_CONFIG] [-f SRC_DIR] [-D PRODUCT_OUT]
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[-s FILE_CONTEXTS] [-t MOUNT_POINT] [-T TIMESTAMP]
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[-L LABEL] [--prjquota] [--casefold] [--compression] [--readonly]
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[--sldc <num> [sload compression sub-options]]
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<num>: number of the sload compression args, e.g. -a LZ4 counts as 2
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when sload compression args are not given, <num> must be 0,
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and the default flags will be used.
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Note: must conserve the option order
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EOT
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}
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echo "in mkf2fsuserimg.sh PATH=$PATH"
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MKFS_OPTS=""
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SLOAD_OPTS=""
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if [ $# -lt 2 ]; then
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usage
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exit 1
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fi
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OUTPUT_FILE=$1
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SIZE=$2
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shift; shift
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SPARSE_IMG="false"
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if [[ "$1" == "-S" ]]; then
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MKFS_OPTS+=" -S $SIZE"
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SLOAD_OPTS+=" -S"
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SPARSE_IMG="true"
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shift
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fi
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if [[ "$1" == "-C" ]]; then
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SLOAD_OPTS+=" -C $2"
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shift; shift
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fi
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if [[ "$1" == "-f" ]]; then
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SLOAD_OPTS+=" -f $2"
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shift; shift
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fi
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if [[ "$1" == "-D" ]]; then
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SLOAD_OPTS+=" -p $2"
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shift; shift
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fi
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if [[ "$1" == "-s" ]]; then
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SLOAD_OPTS+=" -s $2"
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shift; shift
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fi
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if [[ "$1" == "-t" ]]; then
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MOUNT_POINT=$2
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shift; shift
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fi
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if [ -z $MOUNT_POINT ]; then
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echo "Mount point is required"
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exit 2
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fi
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if [[ ${MOUNT_POINT:0:1} != "/" ]]; then
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MOUNT_POINT="/"$MOUNT_POINT
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fi
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SLOAD_OPTS+=" -t $MOUNT_POINT"
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if [[ "$1" == "-T" ]]; then
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SLOAD_OPTS+=" -T $2"
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shift; shift
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fi
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if [[ "$1" == "-L" ]]; then
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MKFS_OPTS+=" -l $2"
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shift; shift
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fi
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if [[ "$1" == "--prjquota" ]]; then
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MKFS_OPTS+=" -O project_quota,extra_attr"
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shift;
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fi
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if [[ "$1" == "--casefold" ]]; then
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MKFS_OPTS+=" -O casefold -C utf8"
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shift;
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fi
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if [[ "$1" == "--compression" ]]; then
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COMPRESS_SUPPORT=1
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MKFS_OPTS+=" -O compression,extra_attr"
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shift;
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fi
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if [[ "$1" == "--readonly" ]]; then
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MKFS_OPTS+=" -O ro"
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READONLY=1
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shift;
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fi
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if [[ "$1" == "--sldc" ]]; then
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if [ -z "$COMPRESS_SUPPORT" ]; then
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echo "--sldc needs --compression flag"
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exit 3
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fi
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SLOAD_OPTS+=" -c"
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shift
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SLDC_NUM_ARGS=$1
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case $SLDC_NUM_ARGS in
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''|*[!0-9]*)
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echo "--sldc needs a number"
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exit 3 ;;
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esac
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shift
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while [ $SLDC_NUM_ARGS -gt 0 ]; do
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SLOAD_OPTS+=" $1"
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shift
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(( SLDC_NUM_ARGS-- ))
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done
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fi
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if [ -z $SIZE ]; then
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echo "Need size of filesystem"
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exit 2
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fi
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function _truncate()
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{
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if [ "$SPARSE_IMG" = "true" ]; then
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return
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fi
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TRUNCATE_CMD="truncate -s $SIZE $OUTPUT_FILE"
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echo $TRUNCATE_CMD
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$TRUNCATE_CMD
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if [ $? -ne 0 ]; then
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exit 3
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fi
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}
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function _build()
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{
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MAKE_F2FS_CMD="make_f2fs -g android $MKFS_OPTS $OUTPUT_FILE"
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echo $MAKE_F2FS_CMD
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$MAKE_F2FS_CMD
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if [ $? -ne 0 ]; then
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if [ "$SPARSE_IMG" = "false" ]; then
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rm -f $OUTPUT_FILE
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fi
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exit 4
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fi
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SLOAD_F2FS_CMD="sload_f2fs $SLOAD_OPTS $OUTPUT_FILE"
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echo $SLOAD_F2FS_CMD
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MB_SIZE=`$SLOAD_F2FS_CMD | grep "Max image size" | awk '{print $5}'`
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# allow 1: Filesystem errors corrected
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ret=$?
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if [ $ret -ne 0 ] && [ $ret -ne 1 ]; then
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rm -f $OUTPUT_FILE
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exit 4
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fi
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SIZE=$(((MB_SIZE + 6) * 1024 * 1024))
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}
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_truncate
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_build
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# readonly + compress can reduce the image
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if [ "$READONLY" ] && [ "$COMPRESS_SUPPORT" ]; then
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if [ "$SPARSE_IMG" = "true" ]; then
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MKFS_OPTS+=" -S $SIZE"
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rm -f $OUTPUT_FILE && touch $OUTPUT_FILE
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fi
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_truncate
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_build
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fi
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exit 0
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