wait longer on an abnormal finish

src/cleanup.go

@@ -8,8 +8,10 @@ import (
 
 func (c *Croc) cleanup() {
 	c.cleanupTime = true
-	time.Sleep(250 * time.Millisecond) // race condition, wait for
-	// sending/receiving to finish
+	if !c.normalFinish {
+		time.Sleep(1000 * time.Millisecond) // race condition, wait for
+		// sending/receiving to finish
+	}
 	// erase all the croc files and their possible numbers
 	for i := 0; i < 16; i++ {
 		fname := c.crocFile + "." + strconv.Itoa(i)

src/client.go

@@ -503,6 +503,7 @@ func (c *Croc) dialUp() (err error) {
 	c.cs.channel.transferTime = time.Since(c.cs.channel.startTransfer)
 	c.cs.Unlock()
 	log.Debug("leaving dialup")
+	c.normalFinish = true
 	return
 }
 

src/models.go

@@ -60,7 +60,8 @@ type Croc struct {
 	// bothConnected
 	bothConnected bool
 	// cleanupTime tells processes to close up
-	cleanupTime bool
+	cleanupTime  bool
+	normalFinish bool
 }
 
 // Init will initialize the croc relay

src/utils.go

@@ -32,6 +32,7 @@ func catFiles(files []string, outfile string, remove bool) error {
 		}
 		_, err = io.Copy(finished, fh)
 		if err != nil {
+			fh.Close()
 			return errors.Wrap(err, "CatFiles copy: ")
 		}
 		fh.Close()