#!/bin/bash
#
#	Ross J. Michaels (1995)
#	rjm2@lehigh.edu
#
#	and
#
#	Judith Elaine
#	blondie@cybertia.org.tenn.com
#
#	(Only the major functional lines were entered by Bill 
#	Stearns (wstearns@pobox.com).  The full text can be found
#	in the November 1995 Linux Gazette at:
#	http://www.ssc.com/lg/linux/gazette.nov.html

CONFIG_DIR="${HOME}/config"
DIR_DIST="${HOME}/config/dist"
DIR_LINKS="${HOME}/config/links"
DIR_BACKUPS="${HOME}/config/backup"
EDITED_FILES="${HOME}/config/edited_files"
#EDITOR='pico -w'
#EDITOR='mcedit'
EDITOR='mcedit -c'
CURR_DIR=`pwd`

#if [ "$LOGNAME" != "root" ]
#then
#	echo "hack: user not logged in as root" ; exit 1
#fi

if [ "$1" = "" ]; then echo "hack: filename is missing" ;			exit 2	; fi
if [ ! -f "$1" ]; then echo "hack: filename is bad or is a directory" ;		exit 3	; fi

BASENAME=`basename $1`

if [ ! -d $CONFIG_DIR ]; then mkdir $CONFIG_DIR ; chmod 711 $CONFIG_DIR 		; fi
if [ ! -d $DIR_DIST ]; then mkdir $DIR_DIST ; chmod 711 $DIR_DIST			; fi
if [ ! -d $DIR_BACKUPS ]; then mkdir $DIR_BACKUPS ; chmod 711 $DIR_BACKUPS		; fi
if [ ! -d $DIR_LINKS ]; then mkdir $DIR_LINKS ; chmod 711 $DIR_LINKS			; fi
if [ ! -f $EDITED_FILES ]; then touch $EDITED_FILES ; chmod 600 $EDITED_FILES		; fi
if [ ! -f "$DIR_DIST/$BASENAME.dist" ]; then
	cp $1 $DIR_DIST/$BASENAME.dist
	echo "hack: creating file" $DIR_DIST/$BASENAME".dist"
elif [ -f $DIR_DIST/$BASENAME.dist ]; then
	echo "hack:" $DIR_DIST/$BASENAME".dist already exists"
else
	echo "hack: fatal error in destination file"
	exit 4
fi

if [ -f $CURR_DIR/$1 ]
then
	if [ $CURR_DIR = "/" ]; then
		ln -s "$1" "$DIR_LINKS/$BASENAME"
		echo "hack: linking" $1
		echo "/"$1 >> $EDITED_FILES
	elif [ ! -L $DIR_LINKS/$1 ]; then
		ln -s "$CURR_DIR/$1" "$DIR_LINKS/$1"
		echo "hack: (c) linking" $CURR_DIR"/"$1
		echo $CURR_DIR/$1 >> $EDITED_FILES
	else
		echo $CURR_DIR/$1 >> $EDITED_FILES
	fi
elif [ -f $1 ]; then
	if [ ! -L $DIR_LINKS/$BASENAME ]; then
		ln -s "$1" "$DIR_LINKS/$BASENAME"
		echo "hack: linking" $1
	fi
	echo $1 >> $EDITED_FILES
else
	echo "hack: something is fundamentally wrong here"
fi

cp -b $1 $DIR_BACKUPS/$BASENAME.`date +%y%m%d`
echo "hack: creating dated backup" $BASENAME.`date +%y%m%d`

rm -f $EDITED_FILES.tmp
cp $EDITED_FILES $EDITED_FILES.tmp
cat $EDITED_FILES.tmp | sort | uniq > $EDITED_FILES
rm -f $EDITED_FILES.tmp


if [ "${TERM}" = "xterm" -o "${TERM}" = "xterm-color" ]; then 
	echo -ne "\033]0;hack ${1}\007"
fi

export XTITLE="hack ${1}"
$EDITOR $1

if [ "${TERM}" = "xterm" -o "${TERM}" = "xterm-color" ]; then 
	if [ -n "${XTITLE}" ]; then 
		echo -ne "\033]0;${XTITLE}\007" ; 
	else
		echo -ne "\033]0;${USER}@${SHOSTNAME} ${PWD}\007" | sed -e "s@${HOME}@\~@"
	fi
fi

exit