1 files changed, 74 insertions, 0 deletions
diff --git a/vendor/github.com/kr/text/indent.go b/vendor/github.com/kr/text/indent.go
new file mode 100644
index 000000000..4ebac45c0
--- /dev/null
+++ b/vendor/github.com/kr/text/indent.go
@@ -0,0 +1,74 @@
+package text
+
+import (
+	"io"
+)
+
+// Indent inserts prefix at the beginning of each non-empty line of s. The
+// end-of-line marker is NL.
+func Indent(s, prefix string) string {
+	return string(IndentBytes([]byte(s), []byte(prefix)))
+}
+
+// IndentBytes inserts prefix at the beginning of each non-empty line of b.
+// The end-of-line marker is NL.
+func IndentBytes(b, prefix []byte) []byte {
+	var res []byte
+	bol := true
+	for _, c := range b {
+		if bol && c != '\n' {
+			res = append(res, prefix...)
+		}
+		res = append(res, c)
+		bol = c == '\n'
+	}
+	return res
+}
+
+// Writer indents each line of its input.
+type indentWriter struct {
+	w   io.Writer
+	bol bool
+	pre [][]byte
+	sel int
+	off int
+}
+
+// NewIndentWriter makes a new write filter that indents the input
+// lines. Each line is prefixed in order with the corresponding
+// element of pre. If there are more lines than elements, the last
+// element of pre is repeated for each subsequent line.
+func NewIndentWriter(w io.Writer, pre ...[]byte) io.Writer {
+	return &indentWriter{
+		w:   w,
+		pre: pre,
+		bol: true,
+	}
+}
+
+// The only errors returned are from the underlying indentWriter.
+func (w *indentWriter) Write(p []byte) (n int, err error) {
+	for _, c := range p {
+		if w.bol {
+			var i int
+			i, err = w.w.Write(w.pre[w.sel][w.off:])
+			w.off += i
+			if err != nil {
+				return n, err
+			}
+		}
+		_, err = w.w.Write([]byte{c})
+		if err != nil {
+			return n, err
+		}
+		n++
+		w.bol = c == '\n'
+		if w.bol {
+			w.off = 0
+			if w.sel < len(w.pre)-1 {
+				w.sel++
+			}
+		}
+	}
+	return n, nil
+}