Function scanMessageBody

pkg/gitdiff/patch_header.go:321–355

(s *bufio.Scanner, indent string, separateAppendix bool)

}

func scanMessageBody(s *bufio.Scanner, indent string, separateAppendix bool) (string, string) {
	// Body and appendix
	var body, appendix strings.Builder
	c := &body
	var empty int
	for i := 0; s.Scan(); i++ {
		line := s.Text()

		line = strings.TrimRightFunc(line, unicode.IsSpace)
		line = strings.TrimPrefix(line, indent)

		if line == "" {
			empty++
			continue
		}

		// If requested, parse out "appendix" information (often added
		// by `git format-patch` and removed by `git am`).
		if separateAppendix && c == &body && line == "---" {
			c = &appendix
			continue
		}

		if c.Len() > 0 {
			c.WriteByte('\n')
			if empty > 0 {
				c.WriteByte('\n')
			}
		}
		empty = 0

		c.WriteString(line)
	}
	return body.String(), appendix.String()
}

func parseHeaderMail(mailLine string, r io.Reader, opts patchHeaderOptions) (*PatchHeader, error) {
	msg, err := mail.ReadMessage(r)