107 lines
1.7 KiB
Bash
107 lines
1.7 KiB
Bash
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#!/bin/bash
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#
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# To call this script, make sure make_ext4fs 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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mkuserimg.sh [-s] SRC_DIR OUTPUT_FILE EXT_VARIANT MOUNT_POINT SIZE [-j <journal_size>]
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[-T TIMESTAMP] [-C FS_CONFIG] [-B BLOCK_LIST_FILE] [-L LABEL] [FILE_CONTEXTS]
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EOT
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}
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ENABLE_SPARSE_IMAGE=
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if [ "$1" = "-s" ]; then
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ENABLE_SPARSE_IMAGE="-s"
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shift
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fi
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if [ $# -lt 5 ]; then
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usage
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exit 1
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fi
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SRC_DIR=$1
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if [ ! -d $SRC_DIR ]; then
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echo "Can not find directory $SRC_DIR!"
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exit 2
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fi
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OUTPUT_FILE=$2
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EXT_VARIANT=$3
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MOUNT_POINT=$4
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SIZE=$5
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shift; shift; shift; shift; shift
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JOURNAL_FLAGS=
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if [ "$1" = "-j" ]; then
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if [ "$2" = "0" ]; then
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JOURNAL_FLAGS="-J"
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else
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JOURNAL_FLAGS="-j $2"
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fi
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shift; shift
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fi
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TIMESTAMP=-1
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if [[ "$1" == "-T" ]]; then
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TIMESTAMP=$2
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shift; shift
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fi
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FS_CONFIG=
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if [[ "$1" == "-C" ]]; then
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FS_CONFIG=$2
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shift; shift
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fi
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BLOCK_LIST=
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if [[ "$1" == "-B" ]]; then
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BLOCK_LIST=$2
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shift; shift
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fi
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LABEL=
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if [[ "$1" == "-L" ]]; then
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LABEL=$2
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shift; shift
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fi
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FC=$1
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case $EXT_VARIANT in
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ext4) ;;
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*) echo "Only ext4 is supported!"; exit 3 ;;
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esac
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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 [ -z $SIZE ]; then
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echo "Need size of filesystem"
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exit 2
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fi
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OPT=""
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if [ -n "$FC" ]; then
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OPT="$OPT -S $FC"
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fi
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if [ -n "$FS_CONFIG" ]; then
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OPT="$OPT -C $FS_CONFIG"
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fi
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if [ -n "$BLOCK_LIST" ]; then
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OPT="$OPT -B $BLOCK_LIST"
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fi
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if [ -n "$LABEL" ]; then
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OPT="$OPT -L $LABEL"
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fi
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MAKE_EXT4FS_CMD="make_ext4fs $ENABLE_SPARSE_IMAGE -T $TIMESTAMP $OPT -l $SIZE $JOURNAL_FLAGS -a $MOUNT_POINT $OUTPUT_FILE $SRC_DIR"
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echo $MAKE_EXT4FS_CMD
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$MAKE_EXT4FS_CMD
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if [ $? -ne 0 ]; then
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exit 4
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fi
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