# This file is part of the src2pkg program:
# Copyright 2005-2008 Gilbert Ashley <amigo@ibilio.org>
# src2pkg is released under the GNU General Public License Version 2

# make_package
make_package() {
if [[ "$FAILED" = "" ]] ; then
	# first get rid of any zero-length files 
	if ! [[ $FORCE_ZERO_LENGTH = "YES" ]] ; then
		cd $PKG_DIR ;
		if [[ $(find . -type f -size 0) ]] ; then
		  echo $CYAN"NOTICE! "$NORMAL" Zero-length files were found in the package tree These are"
		  echo "usually blank documents, so we remove them by default. You can always force"
		  echo "installation with: FORCE_ZERO_LENGTH=YES  if any of them are really needed."
		  echo "Zero-length files installed under /etc are allowed (some conf files are blank)."
		  echo $BLUE"List of removed files:"$NORMAL
		  for dir in $(ls |grep -v etc) ; do
		    ( cd $dir
		    find . -type f -size 0 -exec echo $(basename {}) \;
		    find . -type f -size 0 -exec rm -f {} \;
		    cd ../
		    )
		  done
		fi
		
		find . -type f -name '*.gz' -size 20c | while read file ; do
		echo "WARNING: Possible empty gzipped file $file"
		done
	fi
	
	# recheck the directory permissions ?
	#fix_pkg_perms
	
	echo -n $BLUE"Making installable package - "$NORMAL
	# Build the package:
	if [[ $QUIET = "YES" ]] ; then
	  cd $PKG_DIR ;
	  tiny_make_package $PACKAGE &> /dev/null
	else
	  cd $PKG_DIR ;
	  echo ""
	  tiny_make_package $PACKAGE
	fi
	if [[ $? -ne 0 ]] ; then
	  echo ""
	  echo $RED"FAILED! "$NORMAL"Creation of package has failed."
	  FAILED="PACKAGE CREATION"
	else
	  [[ $QUIET = "YES" ]] && echo $GREEN"Done"$NORMAL || echo ""
	  echo $BLUE"Package Creation - "$GREEN"Successful! "$BLUE"- Package Location:"$NORMAL
	  echo $PACKAGE
	fi
	[[ $REALLY_INSTALL = "YES" ]] && really_install
fi
}

# tiny_make_package
tiny_make_package() {
	PACKAGE_NAME=$1
	TARGET_NAME="$(dirname $PACKAGE_NAME)"
	PACKAGE_NAME="$(basename $PACKAGE_NAME)"
	TAR_NAME="$(basename $PACKAGE_NAME .tgz)"
	umask 022
	echo ""
	
	if [ "$EUID" = "0" ] ; then
		${TAR_STATIC} cvf $TAR_NAME.tar .
	else
		${TAR_STATIC} --owner=root --group=root -cvf $TAR_NAME.tar .
	fi
	echo ""
	echo "Gzipping $TAR_NAME.tar to $TAR_NAME.tar.gz"
	gzip -9 $TAR_NAME.tar
	echo "Renaming $TAR_NAME.tar.gz to $PACKAGE_NAME"
	mv $TAR_NAME.tar.gz $PACKAGE_NAME
	if [ ! "$TARGET_NAME" = "." ]; then
		echo "Moving $PACKAGE_NAME to $TARGET_NAME"
		mv $PACKAGE_NAME $TARGET_NAME
	fi
}

# Internal Routines

mini_installpkg() {
echo $BLUE"Installing package "$NORMAL"$PKG_NAME"
( cd $ROOT/ ; $TAR_STATIC -xzlUpvf - ) < $PACKAGE 2> /dev/null
DATABASE_FILE=$ROOT/$ADM_DIR_NAME/packages/$SHORT_NAME
make_database
if [ -x /sbin/ldconfig ]; then
    /sbin/ldconfig
fi
if [ -f $ROOT/install/doinst.sh ]; then
 echo "Executing install script for $SHORT_NAME..."
 ( cd $ROOT/ ; sh install/doinst.sh -install; )
 
fi
if [ -d $ROOT/install ]; then
    if [ -r $ROOT/install/doinst.sh ]; then
      cp $ROOT/install/doinst.sh $ROOT/$ADM_DIR_NAME/scripts/$SHORT_NAME
      chmod 755 $ROOT/$ADM_DIR_NAME/scripts/$SHORT_NAME
    fi
    # /install/doinst.sh and /install/slack-* are reserved locations for the package system.
    ( cd $ROOT/install ; rm -f doinst.sh slack-* *desc *require* 1> /dev/null 2>&1 )
    rmdir $ROOT/install 1> /dev/null 2>&1
fi
}

# really install the package only if REALLY_INSTALL="YES"
really_install() {
if [[ "$FAILED" = "" ]] && [[ $REALLY_INSTALL = "YES" ]] ; then
	if [[ "$INSTALLPKG" = "internal" ]] ; then
	mini_installpkg
	else
		echo $BLUE"Installing package $PKG_NAME"$NORMAL
		if [[  $QUIET="YES" ]] ; then
		 $INSTALLPKG $PACKAGE 2> /dev/null 1> /dev/null
		else
		 $INSTALLPKG $PACKAGE
		fi
	fi
fi
}