#!/usr/pkg/bin/bash

SYSSRC="/usr/src"
SCANDIRS="etc etc/rc.d etc/defaults"
IGNOREFILES="Makefile CVS"
EDITOR="vi"

if [ ! -d /root/.mergetmp ]; then
	mkdir /root/.mergetmp
fi
touch /root/.mergetmp/diff

chmod 0700 /root/.mergetmp/
chmod 0700 /root/.mergetmp/diff

scandir() {
cd $SYSSRC/$1
for x in *; do
	done=0
	file=`basename $x`
	if [ -f /$1/$file ]; then
		isdiff=`diff -u /$1/$file $SYSSRC/$1/$file`
		if [ ! "$isdiff" = "" ]; then
			while [ "$done" = "0" ]; do
				diff -u /$1/$file $SYSSRC/$1/$file >/root/.mergetmp/diff
				echo -n "File $file has changed, update? [Nyve] "
				read arg
				case "$arg" in
					Y|y)
						cp $SYSSRC/$1/$file /$1/$file
						done=1
						;;
					V|v)
						less /root/.mergetmp/diff
						;;
					E|e)
						$EDITOR /$1/$file
						;;
					N|n|*)
						done=1
						;;
				esac
			done
		fi
	elif [ -f $SYSSRC/$1/$file ]; then 
		done=0
		for ignore in $IGNOREFILES; do
			if [ "$file" = "$ignore" ]; then
				done=1
			fi
		done
		if [ "$done" = "0" ]; then
			ok=0
			while [ "$ok" = "0" ]; do
				echo -n "New file $file, create? [Nyv] "
				read arg
				case "$arg" in
					Y|y)
						cp $SYSSRC/$1/$file /$1/$file
						ok=1
						;;
					V|v)
						less $SYSSRC/$1/$file
						;;
					N|n|*)
						ok=1
						;;
				esac
			done
		fi	
	fi
done
}

for dirs in $SCANDIRS; do
	echo " ==> Entering directory $dirs "
	scandir $dirs
done

rm -rf /root/.mergetmp/