package main

import (
	"path"
	"path/filepath"
)

func mustAbs(pth string) string {
	pth, err := filepath.Abs(pth)
	if err != nil {
		panic(err)
	}
	return pth
}

func mustRel(basepath, targpath string) string {
	pth, err := filepath.Rel(basepath, targpath)
	if err != nil {
		panic(err)
	}
	return pth
}

func cwdMustRel(paths ...string) string {
	return mustRel(Cwd, path.Join(paths...))
}

func cwdAndTgt(tgt string) (string, string) {
	cwd, tgt := path.Split(tgt)
	return mustAbs(cwd), tgt
}