keybase/keybase.go

package keybase

import (
	"log"
	"os/exec"
)

// Options holds... run... options...
type Options struct {
	KeybaseLoction    string // Optional, but required if keybase is not in your path
	HomeDir           string // Only use this if you know what you're doing
	EnableTyping      bool   // Show others a typing notification while the bot is working on a command
	BotLiteMode       bool   // Defaults to true - only disable if you need to.
	ChannelBufferSize int    // The size of the channel buffers, may vary on rate of message ingestion
}

// NewOptions returns a new instance of *Options with sensible defaults
func NewOptions() *Options {
	return &Options{
		BotLiteMode:       true,
		ChannelBufferSize: 10,
	}
}

// locateKeybase attempts to find the location of the keybase binary in the following order:
// 1. What the user has specified as the location [user specified]
// 2. Looks up the binary location using exec.LookPath [default]
// 3. Returns "keybase" and hopes its pathed on the users system [fallback]
func (opt *Options) locateKeybase() string {
	if opt.KeybaseLoction != "" {
		return opt.KeybaseLoction
	}
	path, err := exec.LookPath("keybase")
	if err != nil {
		log.Println("INFO: Could not detect keybase in path")
		return "keybase"
	}
	return path
}

// buildBaseCommand adds the homedirectory before the args, when required
func (opt *Options) buildArgs(args ...string) []string {
	var cmd []string
	if opt.HomeDir != "" {
		cmd = append(cmd, "--home", opt.HomeDir)
	}
	if opt.BotLiteMode {
		cmd = append(cmd, "--enable-bot-lite-mode")
	}
	cmd = append(cmd, args...)
	return cmd
}