HatariWii/tools/zip2st.sh
2018-05-25 20:45:09 +02:00

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#!/bin/sh
# Script for converting .ZIP archives to Atari .ST disk images
# (for the Hatari emulator).
# tools are present?
if [ -z "$(which unzip)" ]; then
echo "ERROR: 'unzip' missing."
exit 2
fi
if [ -z "$(which mformat)" ] || [ -z "$(which mcopy)" ]; then
echo "ERROR: 'mformat' or 'mcopy' (from 'mtools' package) missing."
exit 2
fi
usage ()
{
name=${0##*/}
echo "Convert a .zip archive file to a .st disk image."
echo
echo "Single intermediate directories in the zip"
echo "file are skipped."
echo
echo "Usage:"
echo " $name srcname.zip [destname.st]"
echo
echo "Example:"
echo " for zip in *.zip; do $name \$zip; done"
echo
if [ \! -z "$1" ]; then
echo "ERROR: $1!"
fi
exit 1
}
# one ZIPFILE given?
if [ $# -lt 1 ] || [ -z "$1" ] || [ $# -gt 2 ]; then
usage "wrong number of argument(s)"
fi
ZIPFILE=$1
STFILE=$2
if [ \! -f "$ZIPFILE" ]; then
usage "given zipfile $ZIPFILE is missing"
fi
if [ -z "$STFILE" ]; then
# if no STFILE path given, save it to current dir (remove path)
# and use the ZIPFILE name with the extension removed.
# (done with POSIX shell parameter expansion)
BASENAME=${ZIPFILE##*/}
BASENAME=${BASENAME%.zip}
BASENAME=${BASENAME%.ZIP}
STFILE=$BASENAME.st
fi
if [ -f "$STFILE" ]; then
echo "ERROR: ST file '$STFILE' already exists, remove it first. Aborting..."
exit 1
fi
step=0
TEMPDIR=`mktemp -d` || exit 2
echo "Converting" $ZIPFILE "->" $TEMPDIR "->" $STFILE
# script exit/error handling
exit_cleanup ()
{
if [ $? -eq 0 ]; then
echo "$step) Cleaning up temporary files..."
else
echo
echo "ERROR, cleaning up..."
fi
echo "rm -rv $TEMPDIR"
rm -rv $TEMPDIR
echo "Done."
}
trap exit_cleanup EXIT
echo
step=$(($step+1))
echo "$step) Unzipping..."
echo "unzip $ZIPFILE -d $TEMPDIR"
unzip "$ZIPFILE" -d "$TEMPDIR" || exit 2
# .zip files created with STZip sometimes have wrong access rights...
echo "chmod -R u+rw $TEMPDIR/*"
chmod -R u+rw $TEMPDIR/*
echo
step=$(($step+1))
echo "$step) Checking/skipping intermediate directories..."
ZIPDIR=$TEMPDIR
while true; do
count=$(ls $ZIPDIR|wc -l)
if [ $count -ne 1 ]; then
if [ $count -eq 0 ]; then
echo "ERROR: zip content is empty!"
exit 1
fi
# more than one dir/file
break
fi
dir=$(ls $ZIPDIR)
if [ \! -d "$ZIPDIR/$dir" ]; then
# not dir
break
fi
if [ -z "$(echo $dir|grep -v -i '^auto$')" ]; then
# don't skip AUTO dir
break
fi
echo "- $dir"
ZIPDIR=$ZIPDIR/$dir
done
# size of reserved sectors, FATs & root dir + zip content size
size=$((24 + $(du -ks $ZIPDIR|awk '{print $1}')))
# find a suitable disk size supported by mformat and Atari ST
disksize=0
for i in 360 400 720 800 1440 2880; do
if [ $i -gt $size ]; then
disksize=$i
break
fi
done
if [ $disksize -gt 0 ]; then
echo
step=$(($step+1))
echo "$step) Creating $disksize KB disk image..."
echo "dd if=/dev/zero of=$STFILE bs=1024 count=$disksize"
dd if=/dev/zero of="$STFILE" bs=1024 count=$disksize
echo
step=$(($step+1))
echo "$step) Formating disk image..."
case $disksize in
360) format="-t 80 -h 1 -n 9" ;;
400) format="-t 80 -h 1 -n 10" ;;
800) format="-t 80 -h 2 -n 10" ;;
*) format="-f $disksize" ;;
esac
echo "mformat -a $format -i $STFILE ::"
mformat -a $format -i "$STFILE" ::
echo
step=$(($step+1))
echo "$step) Copying data to disk image..."
echo "MTOOLS_NO_VFAT=1 mcopy -i $STFILE -spmv $ZIPDIR/* ::"
MTOOLS_NO_VFAT=1 mcopy -i "$STFILE" -spmv $ZIPDIR/* ::
else
echo "ERROR: zip contents don't fit to a floppy image ($size > 2880 KB)."
fi
echo
step=$(($step+1))
# do cleanup in exit handler