update progress bar code

vendor/github.com/cheggaaa/pb/pb.go

@@ -13,7 +13,7 @@ import (
 )
 
 // Current version
-const Version = "1.0.25"
+const Version = "1.0.26"
 
 const (
 	// Default refresh rate - 200ms
@@ -159,12 +159,16 @@ func (pb *ProgressBar) Add64(add int64) int64 {
 
 // Set prefix string
 func (pb *ProgressBar) Prefix(prefix string) *ProgressBar {
+	pb.mu.Lock()
+	defer pb.mu.Unlock()
 	pb.prefix = prefix
 	return pb
 }
 
 // Set postfix string
 func (pb *ProgressBar) Postfix(postfix string) *ProgressBar {
+	pb.mu.Lock()
+	defer pb.mu.Unlock()
 	pb.postfix = postfix
 	return pb
 }
@@ -273,6 +277,8 @@ func (pb *ProgressBar) NewProxyReader(r io.Reader) *Reader {
 }
 
 func (pb *ProgressBar) write(total, current int64) {
+	pb.mu.Lock()
+	defer pb.mu.Unlock()
 	width := pb.GetWidth()
 
 	var percentBox, countersBox, timeLeftBox, timeSpentBox, speedBox, barBox, end, out string
@@ -300,12 +306,10 @@ func (pb *ProgressBar) write(total, current int64) {
 	}
 
 	// time left
-	pb.mu.Lock()
 	currentFromStart := current - pb.startValue
 	fromStart := time.Now().Sub(pb.startTime)
 	lastChangeTime := pb.changeTime
 	fromChange := lastChangeTime.Sub(pb.startTime)
-	pb.mu.Unlock()
 
 	if pb.ShowElapsedTime {
 		timeSpentBox = fmt.Sprintf(" %s ", (fromStart/time.Second)*time.Second)
@@ -394,13 +398,12 @@ func (pb *ProgressBar) write(total, current int64) {
 
 	// check len
 	out = pb.prefix + timeSpentBox + countersBox + barBox + percentBox + speedBox + timeLeftBox + pb.postfix
+
 	if cl := escapeAwareRuneCountInString(out); cl < width {
 		end = strings.Repeat(" ", width-cl)
 	}
 
 	// and print!
-	pb.mu.Lock()
-	defer pb.mu.Unlock()
 	pb.lastPrint = out + end
 	isFinish := pb.isFinish
 

vendor/github.com/cheggaaa/pb/pb_x.go

@@ -20,6 +20,7 @@ var (
 	echoLockMutex    sync.Mutex
 	origTermStatePtr *unix.Termios
 	tty              *os.File
+	istty            bool
 )
 
 func init() {
@@ -28,13 +29,18 @@ func init() {
 
 	var err error
 	tty, err = os.Open("/dev/tty")
+	istty = true
 	if err != nil {
 		tty = os.Stdin
+		istty = false
 	}
 }
 
 // terminalWidth returns width of the terminal.
 func terminalWidth() (int, error) {
+	if !istty {
+		return 0, errors.New("Not Supported")
+	}
 	echoLockMutex.Lock()
 	defer echoLockMutex.Unlock()
 
@@ -51,6 +57,7 @@ func terminalWidth() (int, error) {
 func lockEcho() (shutdownCh chan struct{}, err error) {
 	echoLockMutex.Lock()
 	defer echoLockMutex.Unlock()
+	if istty {
 		if origTermStatePtr != nil {
 			return shutdownCh, ErrPoolWasStarted
 		}
@@ -71,6 +78,7 @@ func lockEcho() (shutdownCh chan struct{}, err error) {
 			return nil, fmt.Errorf("Can't set terminal settings: %v", err)
 		}
 
+	}
 	shutdownCh = make(chan struct{})
 	go catchTerminate(shutdownCh)
 	return
@@ -79,6 +87,7 @@ func lockEcho() (shutdownCh chan struct{}, err error) {
 func unlockEcho() error {
 	echoLockMutex.Lock()
 	defer echoLockMutex.Unlock()
+	if istty {
 		if origTermStatePtr == nil {
 			return nil
 		}
@@ -89,6 +98,7 @@ func unlockEcho() error {
 			return fmt.Errorf("Can't set terminal settings: %v", err)
 		}
 
+	}
 	origTermStatePtr = nil
 
 	return nil

vendor/github.com/cheggaaa/pb/pool.go

@@ -90,7 +90,9 @@ func (p *Pool) writer() {
 // Restore terminal state and close pool
 func (p *Pool) Stop() error {
 	p.finishOnce.Do(func() {
+		if p.shutdownCh != nil {
 			close(p.shutdownCh)
+		}
 	})
 
 	// Wait for the worker to complete

vendor/vendor.json

@@ -657,12 +657,12 @@
 			"revision": "50da7d4131a3b5c9d063932461cab4d1fafb20b0"
 		},
 		{
-			"checksumSHA1": "7GMQgpfoSQv4QcaREE2GzSZvlQI=",
+			"checksumSHA1": "UBznrWrDuttNZf56nubBl2nG4Ws=",
 			"path": "github.com/cheggaaa/pb",
-			"revision": "2af8bbdea9e99e83b3ac400d8f6b6d1b8cbbf338",
+			"revision": "007b75a044e968336a69a6c0c617251ab62ac14c",
-			"revisionTime": "2018-05-21T09:56:06Z",
+			"revisionTime": "2018-10-16T15:56:12Z",
-			"version": "v1.0.25",
+			"version": "v1.0.26",
-			"versionExact": "v1.0.25"
+			"versionExact": "v1.0.26"
 		},
 		{
 			"checksumSHA1": "X2/71FBrn4pA3WcA620ySVO0uHU=",