#!/bin/bash

. "$(ffoom path)" || exit 3

ffoo import inigrep
ffoo import pretty

DEFAULT_TARGET=$HOME

usage() {
    mkusage "[-t|--target TARGET] [SOURCE] [NAME]"
}

expand_tilde() {
    #
    # Exchange "~" for home
    #
    perl -pe "s|^[[:space:]]*~|$HOME|"
}

link() {
    local src=$1
    local dst=$2
    think "linking $src to $dst"
    rm -f "$dst"
    ln -sr "$src" "$dst"
}

load() {
    inigrep -p "ln.dir.$1" | expand_tilde
}

while true; do case $1 in
    -t|--target)        target=$2           shift 2 || usage ;;
    --help)             usage                       ;;
    -*)                 usage                       ;;
    *)                  src=$1; name=$2;    break   ;;
esac done

test -z "$target"               && target=$(load target)
test -z "$target"               && target=$DEFAULT_TARGET
test -z "$name"                 && name="$(basename "$PWD")"
test -z "$src"                  && src="."

debug -v src name target

mkdir -p "$target"
link "$src" "$target/$name"