#!/bin/sh -x
#
# Eterm backgrounds list file update utility
#
# $Id$

LISTFILE=pixmaps.list

if [ $# -gt 1 -o "X$1" = "X-h" -o "X$1" = "X--help" ]; then
  echo "Syntax:  Etbg_update_list [path]"
  echo "   (The default path is the current directory.)"
  echo
  exit 0
fi

# Find the pixmap directory
for i in "$1" "$PWD" "$PWD/pix" "$PWD/../pix" ; do
  if [ -d "$i/tile" -o -d "$i/scale" ]; then
    PIXDIR="$i"
    break
  fi
done

cd $PIXDIR

# Generate new pixmap list from tile/ and scale/ directories
echo "Etbg_update_list:  Generating pixmap list file from images in tile/ and scale/..."
true > $LISTFILE.new

if [ -d tile ]; then
  for i in `(cd tile && ls -1)` ; do 
    echo '"tile/'$i'@0x0+0+0:tile"' >> $LISTFILE.new
  done
fi

if [ -d scale ]; then
  for i in `(cd scale && ls -1)` ; do \
    echo '"scale/'$i'@100x100"' >> $LISTFILE.new ; \
  done
fi

# Check to see if the list has changed.  If so, back up the old one.
if [ -s $LISTFILE ]; then
  if (diff $LISTFILE $LISTFILE.new >/dev/null 2>&1); then
    echo "Pixmap list is unchanged."
    rm -f $LISTFILE.new
  else
    echo "Old pixmap list will be saved in $LISTFILE.old"
    mv -f $LISTFILE $LISTFILE.old
  fi
fi
if [ -s $LISTFILE.new ]; then
  mv -f $LISTFILE.new $LISTFILE
fi

# If there's no theme directory nearby, just quit.
if [ ! -d "../themes" ]; then
  exit 0
fi

# If there is, cd into it and make sure all the themes have list files.
cd ../themes
for i in `ls -1` ; do
  if [ -f $i/theme.cfg -a ! -e $i/$LISTFILE ]; then
    echo "Creating symlink to $LISTFILE for theme $i"
    (cd $i && ln -sf ../../pix/$LISTFILE $LISTFILE)
  fi
done