options.go

package main

import (
	"flag"
	"fmt"
	"os"
)

const (
	version = "2.0"
	help    = `Usage:

   fac

Customizable variables: 
  Behavior

	cont_eval        evaluate commands without pressing ENTER

  Key bindings

	select_local     select local version
	select_incoming  select incoming version
	toggle_view      toggle to horizontal | horizontal view
	show_up          show more lines above
	show_down        show more lines below
	scroll_up        ...
	scroll_down      ...
	edit             manually edit code chunk
	next             go to next conflict
	previous         go to previous conflict
	quit             ...
	help             display help in side bar

Define above variables in your $HOME/.fac.yml to customize behavior

`
)

// ParseFlags parses flags provided by the user
func ParseFlags() {
	// Setup custom help message
	flag.Usage = func() {
		fmt.Fprintf(os.Stderr, help)
	}

	showVersion := flag.Bool("version", false, "Print the version of fac being run")
	flag.Parse()

	if *showVersion {
		fmt.Printf("fac %s\n", version)
		os.Exit(0)
	}
}