cowboy: rm the original message

plugins/cowboy/cowboy.go

@@ -1,6 +1,7 @@
 package cowboy
 
 import (
+	"fmt"
 	"regexp"
 
 	"github.com/rs/zerolog/log"
@@ -41,9 +42,10 @@ func (p *Cowboy) makeCowboy(r bot.Request) {
 	log.Debug().Msgf("makeCowboy: %s", r.Values["what"])
 	base := p.c.Get("baseURL", "http://127.0.0.1:1337")
 	u := base + "/cowboy/img/" + r.Values["what"]
+	p.b.Send(r.Conn, bot.Delete, r.Msg.Channel, r.Msg.ID)
 	p.b.Send(r.Conn, bot.Message, r.Msg.Channel, "", bot.ImageAttachment{
 		URL:    u,
-		AltTxt: r.Msg.Body,
+		AltTxt: fmt.Sprintf("%s: %s", r.Msg.User.Name, r.Msg.Body),
 		Width:  64,
 		Height: 64,
 	})

plugins/cowboy/cowboy_image.go

@@ -37,6 +37,7 @@ func getEmojy(c *config.Config, name string) (image.Image, error) {
 func getCowboyHat(c *config.Config) (image.Image, error) {
 	emojyPath := c.Get("emojy.path", "emojy")
 	p := path.Join(emojyPath, c.Get("cowboy.hatname", "hat.png"))
+	p = path.Clean(p)
 	f, err := os.Open(p)
 	if err != nil {
 		return nil, err