#!/bin/sh
BOCHS=@prefix@/bin/bochs
DLXINST=@prefix@/bochs/dlxlinux
GZIP=@GZIP@
if [ ! -z $1 ]; then
  DLXPATH=$1
else
  DLXPATH=$HOME/.bochs
fi
CONFFILE=$HOME/.bochs/bochsconf

makedlxdir() {
  echo DEBUG: Creating $HOME/.bochs/bochsrc
  echo DLXPATH=$DLXPATH > $CONFFILE
  . $CONFFILE
  for file in bochsrc.txt README testform.txt; do
    if [ ! -f $DLXPATH/$file ]; then
      echo Copying $DLXINST/$file '->' $DLXPATH/.
      cp $DLXINST/$file $DLXPATH/.
    else
      echo "ERROR: $file already exists in $DLXPATH. Remove it to replace."
    fi;
  done
  if [ ! -f $DLXPATH/hd10meg.img ]; then
    echo Uncompressing $DLXINST/hd10meg.img.gz '->' $DLXPATH/hd10meg.img
    $GZIP -dc $DLXINST/hd10meg.img.gz > $DLXPATH/hd10meg.img
  else
    echo "ERROR: hd10meg.img already exists in $DLXPATH. Remove it to replace."
  fi
}


echo -n "Checking for bochs binary..."
if test ! -x $BOCHS; then
  echo FAILED
  echo ERROR: I could not find bochs in $BOCHS
  exit 1
fi
echo ok
echo -n "Checking for DLX linux directory..."
if test ! -d $DLXINST; then
  echo FAILED
  echo ERROR: I could not find the DLX linux directory.
  exit 1
fi
echo ok
echo -n "Checking for $GZIP..."
$GZIP < /dev/null > /dev/null 
if test $? = 0; then
  echo ok
else
  echo not found
  echo ERROR: without $GZIP in your PATH, I cannot continue.
  exit 1
fi
echo -n "Checking for $HOME/.bochs directory..."
if test -d "$HOME/.bochs"; then
  echo "ok"
  if test -f "$CONFFILE"; then
    . $CONFFILE
  else
    makedlxdir
  fi
else
  echo DEBUG: Creating $HOME/.bochs
  mkdir -p $HOME/.bochs
  mkdir -p $DLXPATH
  makedlxdir
fi
echo Entering $DLXPATH
cd $DLXPATH

# Now that we're in the DLXPATH, make sure that bochsrc.txt & hd10meg.img exist
if test ! -f bochsrc.txt; then
  echo ERROR: bochsrc.txt not found
  exit 1
fi
if test ! -f hd10meg.img; then
  echo ERROR: hd10meg.img not found
  exit 1
fi

echo Running bochs

# ok now try it
$BOCHS -nocontrolpanel