package shell

import (
	"fmt"
	"strings"

	"go.jolheiser.com/eget/disk"
	"go.jolheiser.com/eget/meta"
)

func Nu() (string, error) {
	tmpl := "let-env PATH = ($env.PATH | append '%s')\n"
	m, err := meta.Read()
	if err != nil {
		return "", err
	}

	var out strings.Builder
	out.WriteString("# managed by eget; DO NOT EDIT\n\n")
	for name := range m.Packages {
		out.WriteString(fmt.Sprintf(tmpl, disk.Path(name)))
	}

	return out.String(), nil
}