Update vendor directory

Re-added cobra patch 499475bb41

vendor/github.com/go-ini/ini/parser.go

@@ -48,16 +48,31 @@ func newParser(r io.Reader) *parser {
 	}
 }
 
-// BOM handles header of BOM-UTF8 format.
+// BOM handles header of UTF-8, UTF-16 LE and UTF-16 BE's BOM format.
 // http://en.wikipedia.org/wiki/Byte_order_mark#Representations_of_byte_order_marks_by_encoding
 func (p *parser) BOM() error {
-	mask, err := p.buf.Peek(3)
+	mask, err := p.buf.Peek(2)
 	if err != nil && err != io.EOF {
 		return err
-	} else if len(mask) < 3 {
+	} else if len(mask) < 2 {
 		return nil
-	} else if mask[0] == 239 && mask[1] == 187 && mask[2] == 191 {
+	}
+
+	switch {
+	case mask[0] == 254 && mask[1] == 255:
+		fallthrough
+	case mask[0] == 255 && mask[1] == 254:
 		p.buf.Read(mask)
+	case mask[0] == 239 && mask[1] == 187:
+		mask, err := p.buf.Peek(3)
+		if err != nil && err != io.EOF {
+			return err
+		} else if len(mask) < 3 {
+			return nil
+		}
+		if mask[2] == 191 {
+			p.buf.Read(mask)
+		}
 	}
 	return nil
 }
@@ -111,7 +126,7 @@ func readKeyName(in []byte) (string, int, error) {
 		// Find key-value delimiter
 		i := strings.IndexAny(line[pos+startIdx:], "=:")
 		if i < 0 {
-			return "", -1, fmt.Errorf("key-value delimiter not found: %s", line)
+			return "", -1, ErrDelimiterNotFound{line}
 		}
 		endIdx = pos + i
 		return strings.TrimSpace(line[startIdx:pos]), endIdx + startIdx + 1, nil
@@ -119,7 +134,7 @@ func readKeyName(in []byte) (string, int, error) {
 
 	endIdx = strings.IndexAny(line, "=:")
 	if endIdx < 0 {
-		return "", -1, fmt.Errorf("key-value delimiter not found: %s", line)
+		return "", -1, ErrDelimiterNotFound{line}
 	}
 	return strings.TrimSpace(line[0:endIdx]), endIdx + 1, nil
 }
@@ -178,7 +193,7 @@ func hasSurroundedQuote(in string, quote byte) bool {
 		strings.IndexByte(in[1:], quote) == len(in)-2
 }
 
-func (p *parser) readValue(in []byte) (string, error) {
+func (p *parser) readValue(in []byte, ignoreContinuation bool) (string, error) {
 	line := strings.TrimLeftFunc(string(in), unicode.IsSpace)
 	if len(line) == 0 {
 		return "", nil
@@ -205,8 +220,8 @@ func (p *parser) readValue(in []byte) (string, error) {
 	// Won't be able to reach here if value only contains whitespace.
 	line = strings.TrimSpace(line)
 
-	// Check continuation lines
-	if line[len(line)-1] == '\\' {
+	// Check continuation lines when desired.
+	if !ignoreContinuation && line[len(line)-1] == '\\' {
 		return p.readContinuationLines(line[:len(line)-1])
 	}
 
@@ -235,6 +250,7 @@ func (f *File) parse(reader io.Reader) (err error) {
 	section, _ := f.NewSection(DEFAULT_SECTION)
 
 	var line []byte
+	var inUnparseableSection bool
 	for !p.isEOF {
 		line, err = p.readUntil('\n')
 		if err != nil {
@@ -258,12 +274,14 @@ func (f *File) parse(reader io.Reader) (err error) {
 		// Section
 		if line[0] == '[' {
 			// Read to the next ']' (TODO: support quoted strings)
-			closeIdx := bytes.IndexByte(line, ']')
+			// TODO(unknwon): use LastIndexByte when stop supporting Go1.4
+			closeIdx := bytes.LastIndex(line, []byte("]"))
 			if closeIdx == -1 {
 				return fmt.Errorf("unclosed section: %s", line)
 			}
 
-			section, err = f.NewSection(string(line[1:closeIdx]))
+			name := string(line[1:closeIdx])
+			section, err = f.NewSection(name)
 			if err != nil {
 				return err
 			}
@@ -278,11 +296,40 @@ func (f *File) parse(reader io.Reader) (err error) {
 			// Reset aotu-counter and comments
 			p.comment.Reset()
 			p.count = 1
+
+			inUnparseableSection = false
+			for i := range f.options.UnparseableSections {
+				if f.options.UnparseableSections[i] == name ||
+					(f.options.Insensitive && strings.ToLower(f.options.UnparseableSections[i]) == strings.ToLower(name)) {
+					inUnparseableSection = true
+					continue
+				}
+			}
+			continue
+		}
+
+		if inUnparseableSection {
+			section.isRawSection = true
+			section.rawBody += string(line)
 			continue
 		}
 
 		kname, offset, err := readKeyName(line)
 		if err != nil {
+			// Treat as boolean key when desired, and whole line is key name.
+			if IsErrDelimiterNotFound(err) && f.options.AllowBooleanKeys {
+				kname, err := p.readValue(line, f.options.IgnoreContinuation)
+				if err != nil {
+					return err
+				}
+				key, err := section.NewBooleanKey(kname)
+				if err != nil {
+					return err
+				}
+				key.Comment = strings.TrimSpace(p.comment.String())
+				p.comment.Reset()
+				continue
+			}
 			return err
 		}
 
@@ -298,9 +345,9 @@ func (f *File) parse(reader io.Reader) (err error) {
 		if err != nil {
 			return err
 		}
-		key.isAutoIncr = isAutoIncr
+		key.isAutoIncrement = isAutoIncr
 
-		value, err := p.readValue(line[offset:])
+		value, err := p.readValue(line[offset:], f.options.IgnoreContinuation)
 		if err != nil {
 			return err
 		}