#!/bin/bash
# Function to compress man pages for the package
# Based on the compressdoc script in BLFS.
compressDoc()
{
	if [ -z "$1" ]
	then
		return
	fi

	# First process the symlinks
	# Note that the links will be dangling for till the actual files are processed.
	for FILE in $(find "$1" -user $TT_PKG_USERNAME -type l -not -name "*.bz2" 2>/dev/null)
	do
		# Remove the .gz extension from the symlink
		case "$FILE" in
		*.gz)
			LINK=`ls -l "$FILE" | cut -d ">" -f2 | tr -d " " | sed s/\.gz$//`
			NEW_FILE=`echo "$FILE" | sed s/\.gz$//`
			rm -f $FILE
			ln -sf $LINK $NEW_FILE
			FILE=$NEWFILE
			;;
		esac
		# Recreate symlink with bz2 extensions.
		LINK=`ls -l "$FILE" | cut -d ">" -f2 | tr -d " "`
		ln -sf $LINK.bz2 $FILE.bz2
		rm -f $FILE
	done

	# Now process regular files and hardlinks
	for FILE in $(find "$1" -user $TT_PKG_USERNAME -not -name "*.bz2" 2>/dev/null)
	do
		# The file may not exist if it is a hardlinked file whose parent is already processed.
		if [ ! -f "$FILE" ]
		then
			continue
		fi
		# Figure out if the file is part of a hard linked conglomeration.
		INODE=`ls -li "$FILE" | awk '{print $1}'`
		H_LINKS=`find "$1" -not -name \`basename $FILE\` -inum "$INODE"`
		case "$FILE" in
		# If gz file, remove hardlinks, unzip.
		*.gz)
			NEW_H_LINKS=""
			for F in $(echo $H_LINKS )
			do
				rm -f $F
				NEW_H_LINKS="$NEW_H_LINKS `echo $F | sed s/\.gz$//`"
			done
			H_LINKS="$NEW_HLINKS"
			gunzip -f $FILE
			if [ "$?" != "0" ]
			then
				rm -f $FILE
				continue
			fi
			FILE=`echo $FILE | sed s/\.gz$//`
			;;
		# For a regular file, delete the hardlinks
		*)
			for F in $(echo $H_LINKS)
			do
				rm -f $F
			done
			;;
		esac
		bzip2 -f $FILE
		if [ "$?" != "0" ]
		then
			rm -f $FILE
			continue
		fi
		for F in $(echo $H_LINKS)
		do
			ln -f $FILE.bz2 $F.bz2
		done
	done
}