package main

import (
  "flag"
  "log"
)

type Opts struct {
Config string
  Force bool
}

func ParseOpts() Opts {
  var opts Opts

  flag.StringVar(&opts.Config, "config", "config.json", "config file")
  flag.BoolVar(&opts.Force, "force", false, "force a full convert")
  flag.Parse()

  return opts
}

func main() {
  opts := ParseOpts()
  config := LoadSettings(opts.Config)

  err := RenderImages(config, opts.Force)

  if err != nil {
    log.Fatalf("failed to walk dir %s: %v", config.Source, err)
  }
}