#!/bin/sh

# HELM project convenience script
#
# call this as "debian/debianize.helm" to convert a checked out CVS
# module to a debianize source tree ready to be called against debuild
# or dpkg-buildpackage
#
# Stefano "Zack" Zacchiroli <zack@cs.unibo.it>
# Sun Nov 25 16:50:10 CET 2001

NAME="MINIDOM" # package name in configure.in's opinion
CONFIGURE_IN="configure.in"   # configure.in

# TAR="tar"
# TARFLAGS="-cz"   # tar flags used when creating source package

if [ -z $NAME ]; then
   echo "Please edit me and configure the 'NAME' parameter."
   exit 1
fi

   # parse version number from configure.in
echo "Retrieving version number from $CONFIGURE_IN ..."
VERSION=""
for v in MAJOR MINOR MICRO; do
   T=`grep "$NAME\_$v\_VERSION\=" $CONFIGURE_IN`
   T=`echo $T | sed -e 's/.*=//'`
   if [ -z $VERSION ]; then
      VERSION=$T
   else
      VERSION="$VERSION.$T"
   fi
done
echo "Version number is: $VERSION"

   # create a new working dir named with the "name-version" schema
echo "Creating debianized source tree ..."
OLDDIR=`basename \`pwd\``
NEWDIR="$OLDDIR-$VERSION"
cd ..
if [ -d $NEWDIR ]; then
   echo "'../$NEWDIR' already exists, please remove it before continue"
   exit 1
fi
cp -r $OLDDIR $NEWDIR
cd $NEWDIR
echo "Debianized source tree starts at `pwd`"

   # autopippe: autoconf, automake, aclocal, ...
echo "Executing auto-* tools ..."
source debian/autopippe.helm
echo "auto-* executed!"

   # remove CVS related files, and other garbage
echo "Removing garbage files ..."
find . -regex '.*\.cvsignore' -exec rm -f {} \;
find . -regex '.*CVS.*' -and -type d -exec rm -rf {} \;
GARBAGES=`egrep -v '^#' debian/garbage.helm`
for p in $GARBAGES; do
   find . -name $p -exec rm -f {} \;
done
echo "Garbage removed!"

   # fix remote symlinks
echo "Dereferencing absolute symlinks ..."
PWD=`pwd`
for l in `find . -type l -maxdepth 1`; do # loop on symlink in this dir
   SOURCE=$l
   TARGET=`readlink $l`
   if `echo $TARGET | egrep "^/" > /dev/null`; then
      echo "$SOURCE -> $TARGET"
      rm -f $SOURCE
      cp $TARGET $SOURCE
   fi # if symlink does not begin with "/" then it is relative
done
echo "Dereferencing done!"

   # upgrade debian changelog
echo "Upgrading debian changelog version to $VERSION ..."
dch --newversion $VERSION
echo "Debian changelog upgraded!"

#    # build debian native source package
# echo -n "Building debian (native) source package: "
# DEBVERSION=`dpkg-parsechangelog -ldebian/changelog | egrep '^Version: ' | sed -e 's/Version: //'`
# DEBNAME=`dpkg-parsechangelog -ldebian/changelog | egrep '^Source: ' | sed -e 's/Source: //'`
# SOURCEPKGFILE="$DEBNAME""_""$DEBVERSION.tar.gz"
# echo "../$SOURCEPKGFILE"
# cd ..
# $TAR $TARFLAGS -f $SOURCEPKGFILE $NEWDIR

echo
echo "Debianization is over."
echo "Please change to ../$NEWDIR in order to build the debian package."