1 files changed, 84 insertions, 0 deletions
diff --git a/dependencies/pkg/mod/github.com/vbauerster/mpb/v6@v6.0.4/cwriter/writer.go b/dependencies/pkg/mod/github.com/vbauerster/mpb/v6@v6.0.4/cwriter/writer.go
new file mode 100644
index 0000000..1ade547
--- /dev/null
+++ b/dependencies/pkg/mod/github.com/vbauerster/mpb/v6@v6.0.4/cwriter/writer.go
@@ -0,0 +1,84 @@
+package cwriter
+
+import (
+	"bytes"
+	"errors"
+	"io"
+	"os"
+	"strconv"
+)
+
+// ErrNotTTY not a TeleTYpewriter error.
+var ErrNotTTY = errors.New("not a terminal")
+
+// http://ascii-table.com/ansi-escape-sequences.php
+const (
+	escOpen  = "\x1b["
+	cuuAndEd = "A\x1b[J"
+)
+
+// Writer is a buffered the writer that updates the terminal. The
+// contents of writer will be flushed when Flush is called.
+type Writer struct {
+	out        io.Writer
+	buf        bytes.Buffer
+	lineCount  int
+	fd         int
+	isTerminal bool
+}
+
+// New returns a new Writer with defaults.
+func New(out io.Writer) *Writer {
+	w := &Writer{out: out}
+	if f, ok := out.(*os.File); ok {
+		w.fd = int(f.Fd())
+		w.isTerminal = IsTerminal(w.fd)
+	}
+	return w
+}
+
+// Flush flushes the underlying buffer.
+func (w *Writer) Flush(lineCount int) (err error) {
+	// some terminals interpret 'cursor up 0' as 'cursor up 1'
+	if w.lineCount > 0 {
+		err = w.clearLines()
+		if err != nil {
+			return
+		}
+	}
+	w.lineCount = lineCount
+	_, err = w.buf.WriteTo(w.out)
+	return
+}
+
+// Write appends the contents of p to the underlying buffer.
+func (w *Writer) Write(p []byte) (n int, err error) {
+	return w.buf.Write(p)
+}
+
+// WriteString writes string to the underlying buffer.
+func (w *Writer) WriteString(s string) (n int, err error) {
+	return w.buf.WriteString(s)
+}
+
+// ReadFrom reads from the provided io.Reader and writes to the
+// underlying buffer.
+func (w *Writer) ReadFrom(r io.Reader) (n int64, err error) {
+	return w.buf.ReadFrom(r)
+}
+
+// GetWidth returns width of underlying terminal.
+func (w *Writer) GetWidth() (int, error) {
+	if !w.isTerminal {
+		return -1, ErrNotTTY
+	}
+	tw, _, err := GetSize(w.fd)
+	return tw, err
+}
+
+func (w *Writer) ansiCuuAndEd() (err error) {
+	buf := make([]byte, 8)
+	buf = strconv.AppendInt(buf[:copy(buf, escOpen)], int64(w.lineCount), 10)
+	_, err = w.out.Write(append(buf, cuuAndEd...))
+	return
+}