vendor containers/image v1.4

This requires some additional changes to the dependencies since the
progress-bar library has been changed to github.com/vbauerster/mpb.

Please refer to the following link for the release notes:
https://github.com/containers/image/releases/tag/v1.4

Signed-off-by: Valentin Rothberg <rothberg@redhat.com>

vendor/github.com/vbauerster/mpb/options.go

@@ -0,0 +1,95 @@
+package mpb
+
+import (
+	"io"
+	"sync"
+	"time"
+	"unicode/utf8"
+
+	"github.com/vbauerster/mpb/cwriter"
+)
+
+// ProgressOption is a function option which changes the default behavior of
+// progress pool, if passed to mpb.New(...ProgressOption)
+type ProgressOption func(*pState)
+
+// WithWaitGroup provides means to have a single joint point.
+// If *sync.WaitGroup is provided, you can safely call just p.Wait()
+// without calling Wait() on provided *sync.WaitGroup.
+// Makes sense when there are more than one bar to render.
+func WithWaitGroup(wg *sync.WaitGroup) ProgressOption {
+	return func(s *pState) {
+		s.uwg = wg
+	}
+}
+
+// WithWidth overrides default width 80
+func WithWidth(w int) ProgressOption {
+	return func(s *pState) {
+		if w >= 0 {
+			s.width = w
+		}
+	}
+}
+
+// WithFormat overrides default bar format "[=>-]"
+func WithFormat(format string) ProgressOption {
+	return func(s *pState) {
+		if utf8.RuneCountInString(format) == formatLen {
+			s.format = format
+		}
+	}
+}
+
+// WithRefreshRate overrides default 120ms refresh rate
+func WithRefreshRate(d time.Duration) ProgressOption {
+	return func(s *pState) {
+		if d < 10*time.Millisecond {
+			return
+		}
+		s.rr = d
+	}
+}
+
+// WithManualRefresh disables internal auto refresh time.Ticker.
+// Refresh will occur upon receive value from provided ch.
+func WithManualRefresh(ch <-chan time.Time) ProgressOption {
+	return func(s *pState) {
+		s.manualRefreshCh = ch
+	}
+}
+
+// WithCancel provide your cancel channel,
+// which you plan to close at some point.
+func WithCancel(ch <-chan struct{}) ProgressOption {
+	return func(s *pState) {
+		s.cancel = ch
+	}
+}
+
+// WithShutdownNotifier provided chanel will be closed, after all bars have been rendered.
+func WithShutdownNotifier(ch chan struct{}) ProgressOption {
+	return func(s *pState) {
+		s.shutdownNotifier = ch
+	}
+}
+
+// WithOutput overrides default output os.Stdout
+func WithOutput(w io.Writer) ProgressOption {
+	return func(s *pState) {
+		if w == nil {
+			return
+		}
+		s.cw = cwriter.New(w)
+	}
+}
+
+// WithDebugOutput sets debug output.
+func WithDebugOutput(w io.Writer) ProgressOption {
+	return func(s *pState) {
+		if w == nil {
+			return
+		}
+		s.debugOut = w
+	}
+}