#!/bin/sh

# Edit a file that requires superuser permissions without running the editor as root
# Substitute for sudo -e that uses doas instead.

if [ -z $1 ]
then
	exit
fi

FNAME=$(mktemp)

if [ -e $1 ]
then
	cp $1 $FNAME
fi

$EDITOR $FNAME

DIFF=""

if [ -e $1 ]
then
	DIFF=$(diff $FNAME $1)
else
	DIFF=$(cat $FNAME)
fi

if [ -n "$DIFF" ]
then
	doas cp $FNAME $1
fi

rm $FNAME