#!/bin/sh
# lnkdot -- link a dotfile
set -e

die() {
	echo "$1" 1>&2
	exit 1
}

if [ "$#" = "0" ]; then
	die "usage: linkdot DOTFILE [DOTFILE ...]"
fi

DIR="$(dirname "$(dirname "$(readlink -f "$0")")")"
RELDIR="$(echo $DIR | sed "s#^$HOME/##")"

lnk() {
	printf "$1 ... "
	if [ -e "$HOME/$1" -a ! -L "$HOME/$1" ]; then
		echo "failed"
	else
		root=$RELDIR
		case $1 in
			*/*) root=$DIR ;;
		esac
		ln -snf $root/$1 $HOME/$1
		echo "linked"
	fi
}

for f in "$@"; do
	if [ -e "$DIR/$f" ]; then
		lnk "$f"
	else
		die "dotfile doesn't exist: $f"
	fi
done