#!/bin/sh
# George Georgakis <admin-at-tripleg-net-au>
##########################################

# Set initial variables
NAME=changemac
VERSION=1.0
TMP=/tmp
CWD=`pwd`
PKG=$TMP/package-$NAME

# Create the package location, if it doesn't already exist
[ ! -d $PKG ] &&  mkdir -p $PKG

(
# Start the on-screen information
echo "+======+=====+"
echo "| $NAME-$VERSION |"
echo "+=======+====+"

# Explode the source tarball
cd $TMP
tar xzvf $CWD/$NAME-$VERSION.tgz
cd $NAME-$VERSION

# Fix display, spelling and grammatical errors.
zcat $CWD/changemac.patch.gz | patch -p0
zcat $CWD/changemac.8.patch.gz | patch -p0

# Compile the source
gcc changemac.c -o changemac

# Create the requisite directories
mkdir -p 	$PKG/usr/sbin \
		$PKG/install \
		$PKG/usr/man/man8 \
		$PKG/usr/doc/$NAME-$VERSION

# Copy the binaries
cp changemac $PKG/usr/sbin/

# Copy the docs
cp -r `ls [A-Z]*` $PKG/usr/doc/$NAME-$VERSION/
cp *lsm $PKG/usr/doc/$NAME-$VERSION/

# Copy the man pages
for MAN in 1 4 5 8 ; do
  for EACH in `find . -name "*.$MAN"` ; do
    gzip -9c $EACH > $PKG/usr/man/man$MAN/`basename $EACH`.gz
  done
done

# Add the description file
cat << EOF > $PKG/install/description
PRIORITY: OPT
$NAME: $NAME
$NAME:
$NAME:	changemac allows you to change the MAC address on any
$NAME:  Linux box. It could probably work on other U*ix machines
$NAME:  with a simple change of the ioctl call in the source code.
$NAME:
$NAME:  The code is relatively unchanged from the 1998 release, but
$NAME:  the many display, spelling and grammatical errors have been
$NAME:  patched in this particular package.
$NAME:
$NAME:
EOF

# Build the package
cd $PKG
tar czvf $TMP/$NAME-$VERSION.tgz .

# Warn of zero-length files
for file in `find . -type f -print` ; do
  if [ "`filesize $file`" = "0" ]; then
    echo "WARNING: zero length file $file"
  # Use below line if these files are to be deleted
  # echo "Removed zero length file $file..." ;  rm $file
  fi
  if [ "`filesize $file`" = "20" ]; then
    echo "WARNING: possible empty gzipped file $file"
  # Use below line if these files are to be deleted
  # echo "Removed possibly empty gzipped file $file..." ;  rm $file
  fi
done

# Clean up the build directories
if [ "$1" = "--cleanup" ]; then
  rm -rf $TMP/$NAME-$VERSION
  rm -rf $PKG
fi

# Move the completed package into this directory
if [ "$1" != "--nomove" -a "$2" != "--nomove" ]; then
  mkdir -p $CWD/package
  mv $TMP/$NAME-$VERSION.tgz $CWD/package/
  echo
  echo "The finished $NAME-$VERSION is now in the package/ directory"
  echo
  echo
fi

# Fork screen output to a log
) 2>&1 | tee $CWD/$NAME.build.log