getfreedos

#!/bin/sh

DEFAULT_MIRROR=http://www.ibiblio.org/pub/micro/pc-stuff/freedos/files

BASE_URL=$DEFAULT_MIRROR/distributions/1.1/repos/base
ARCHIVES="kernel command assign attrib choice comp debug defrag deltree diskcomp diskcopy display \
edit edlin exe2bin fc find format help label mem mode more move nansi replace share shsucdx \
sort swsubst tree xcopy"

BWBASIC_URL=${DEFAULT_MIRROR}/devel/basic/bwbasic/bwb220ax.zip
LIB_URL=${DEFAULT_MIRROR}/devel/tools/lib-sk32.zip
TOUCH_URL=${DEFAULT_MIRROR}/util/file/touch/1.44/touch144.zip
WCD_URL=${DEFAULT_MIRROR}/util/user/wcd/wcd530b.zip

TMP_DIR=/tmp/freedos-$USER
DRIVE_ROOT="$1"

extract_freedos_archives()
{
  for filename in ${ARCHIVES} bwbasic touch wcd
  do
    unzip -d "$DRIVE_ROOT" -qq -LL "${TMP_DIR}"/"$filename".zip -x packages/* source/* bin/kernl86.sys 2>/dev/null
  done
}

extract_lib()
{
  unzip -d "$DRIVE_ROOT"/bin -qq -LL -j "${TMP_DIR}"/lib.zip llib32/lib.exe
  unzip -d "$DRIVE_ROOT"/doc/lib -qq -LL -j "${TMP_DIR}"/lib.zip llib32/readme
}

download_file()
{
  SOURCE=$1
  DESTINATION=$2
  if [ -f "$DESTINATION" ]
  then
    echo "$DESTINATION" found, not redownloading
  else
    echo Downloading "$SOURCE"...
    wget --quiet "$SOURCE" -O "$DESTINATION"
  fi
}

download_archives()
{
  echo Downloading FreeDOS...
  mkdir -p "${TMP_DIR}"
  for filename in ${ARCHIVES}
  do
    download_file "${BASE_URL}"/"$filename".zip "${TMP_DIR}"/"$filename".zip
  done

  download_file "${BWBASIC_URL}" "${TMP_DIR}"/bwbasic.zip
  download_file "${LIB_URL}" "${TMP_DIR}"/lib.zip
  download_file "${TOUCH_URL}" "${TMP_DIR}"/touch.zip
  download_file "${WCD_URL}" "${TMP_DIR}"/wcd.zip

  echo Downloading done
}

verify_system()
{
  if [ ! `which unzip` ] ; then
    echo Please install unzip and make sure that unzip is on your PATH
    exit 1
  fi

  if [ ! `which wget` ] ; then
    echo Please install wget and make sure that wget is on your PATH
    exit 1
  fi
}


verify_system

download_archives

echo Extracting FreeDOS...
mkdir -p "${DRIVE_ROOT}"
extract_freedos_archives
extract_lib

ln -s swsubst.exe "${DRIVE_ROOT}"/bin/join.exe
ln -s swsubst.exe "${DRIVE_ROOT}"/bin/subst.exe
mv "${DRIVE_ROOT}"/bin/kernl386.sys "${DRIVE_ROOT}"/kernel.sys
ln -s bin/command.com "${DRIVE_ROOT}"/command.com
mv "${DRIVE_ROOT}"/share/doc/* "${DRIVE_ROOT}"/doc
rmdir "${DRIVE_ROOT}"/share/doc "${DRIVE_ROOT}"/share
chmod 644 "${DRIVE_ROOT}"/appinfo/* "${DRIVE_ROOT}"/bin/* "${DRIVE_ROOT}"/doc/*/* "${DRIVE_ROOT}"/nls/*
chmod 755 "${DRIVE_ROOT}"/doc/*

echo Extraction complete