toaruos/util/mkdisk.sh
K. Lange e7616e7da2 mkdisk.sh: smaller divisor for fat size
TODO: Replace mtools/mkfs.fat with our own tool that can create perfectly sized FATs.
2018-11-22 21:54:59 +09:00

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#!/bin/bash
DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
OUT=$1
IN=$2
OUTDIR=`dirname $1`
# Calculate required space
SPACE_REQ=$(du -sb "$DIR/../fatbase" | cut -f 1)
let "SIZE = ($SPACE_REQ / 1000000)"
# Minimum size
if [ $SIZE -lt 24 ]; then
SIZE=24
fi
# Use more sectors-per-cluster for larger disk sizes
if [ $SIZE -gt 128 ]; then
SPC=4
else
SPC=1
fi
# Create empty FAT image
rm -f $OUT
mkdir -p cdrom
fallocate -l ${SIZE}M $OUT || dd if=/dev/zero bs=1M count=${SIZE} of=$OUT
mkfs.fat -s $SPC -S 2048 $OUT
#echo "Turning $IN into $OUT"
# Add files
for i in $(find $IN)
do
if [[ $i == $IN ]]; then
continue
fi
OUT_FILE=`echo $i | sed s"/^$IN/$OUTDIR/"`
IN_FILE=`echo $i | sed s"/^$IN//"`
#echo $IN_FILE $OUT_FILE
if [ -d "$i" ]; then
mmd -i $OUT $IN_FILE
mkdir -p $OUT_FILE
else
mcopy -i $OUT $i '::'$IN_FILE
touch $OUT_FILE
fi
done
rm -f cdrom/efi/boot/bootia32.efi # Otherwise virtualbox may erroneously try to load from this
rm -f cdrom/efi/boot/bootx64.efi # Same