remove partially sent files

main.go

@@ -114,7 +114,7 @@ func main() {
 		fmt.Fprintf(c.App.Writer, "lipstick\nkiss\nme\nlipstick\nringo\n")
 	}
 	app.Action = func(c *cli.Context) error {
-		return cr.Receive(c.Args().First())
+		return receive(c)
 	}
 	app.Before = func(c *cli.Context) error {
 		cr = croc.Init()

src/api.go

@@ -133,6 +133,7 @@ func (c *Croc) Send(fname string, codePhrase string) (err error) {
 // Receive will receive something through the croc relay
 func (c *Croc) Receive(codePhrase string) (err error) {
 	defer c.cleanup()
+	log.Debugf("receiving with code phrase: %s", codePhrase)
 	if !c.NoLocal {
 		// try to discovery codephrase and server through peer network
 		discovered, errDiscover := peerdiscovery.Discover(peerdiscovery.Settings{

src/client.go

@@ -505,6 +505,7 @@ func (c *Croc) sendFile(filename string, id int, connection net.Conn) error {
 
 	// open encrypted file chunk, if it exists
 	log.Debug("opening encrypted file chunk: " + filename)
+	defer os.Remove(filename)
 	file, err := os.Open(filename)
 	if err != nil {
 		log.Error(err)