1 files changed, 0 insertions, 161 deletions
diff --git a/vendor/gotest.tools/internal/format/diff.go b/vendor/gotest.tools/internal/format/diff.go
deleted file mode 100644
index c938c97b..00000000
--- a/vendor/gotest.tools/internal/format/diff.go
+++ /dev/null
@@ -1,161 +0,0 @@
-package format
-
-import (
-	"bytes"
-	"fmt"
-	"strings"
-	"unicode"
-
-	"gotest.tools/internal/difflib"
-)
-
-const (
-	contextLines = 2
-)
-
-// DiffConfig for a unified diff
-type DiffConfig struct {
-	A    string
-	B    string
-	From string
-	To   string
-}
-
-// UnifiedDiff is a modified version of difflib.WriteUnifiedDiff with better
-// support for showing the whitespace differences.
-func UnifiedDiff(conf DiffConfig) string {
-	a := strings.SplitAfter(conf.A, "\n")
-	b := strings.SplitAfter(conf.B, "\n")
-	groups := difflib.NewMatcher(a, b).GetGroupedOpCodes(contextLines)
-	if len(groups) == 0 {
-		return ""
-	}
-
-	buf := new(bytes.Buffer)
-	writeFormat := func(format string, args ...interface{}) {
-		buf.WriteString(fmt.Sprintf(format, args...))
-	}
-	writeLine := func(prefix string, s string) {
-		buf.WriteString(prefix + s)
-	}
-	if hasWhitespaceDiffLines(groups, a, b) {
-		writeLine = visibleWhitespaceLine(writeLine)
-	}
-	formatHeader(writeFormat, conf)
-	for _, group := range groups {
-		formatRangeLine(writeFormat, group)
-		for _, opCode := range group {
-			in, out := a[opCode.I1:opCode.I2], b[opCode.J1:opCode.J2]
-			switch opCode.Tag {
-			case 'e':
-				formatLines(writeLine, " ", in)
-			case 'r':
-				formatLines(writeLine, "-", in)
-				formatLines(writeLine, "+", out)
-			case 'd':
-				formatLines(writeLine, "-", in)
-			case 'i':
-				formatLines(writeLine, "+", out)
-			}
-		}
-	}
-	return buf.String()
-}
-
-// hasWhitespaceDiffLines returns true if any diff groups is only different
-// because of whitespace characters.
-func hasWhitespaceDiffLines(groups [][]difflib.OpCode, a, b []string) bool {
-	for _, group := range groups {
-		in, out := new(bytes.Buffer), new(bytes.Buffer)
-		for _, opCode := range group {
-			if opCode.Tag == 'e' {
-				continue
-			}
-			for _, line := range a[opCode.I1:opCode.I2] {
-				in.WriteString(line)
-			}
-			for _, line := range b[opCode.J1:opCode.J2] {
-				out.WriteString(line)
-			}
-		}
-		if removeWhitespace(in.String()) == removeWhitespace(out.String()) {
-			return true
-		}
-	}
-	return false
-}
-
-func removeWhitespace(s string) string {
-	var result []rune
-	for _, r := range s {
-		if !unicode.IsSpace(r) {
-			result = append(result, r)
-		}
-	}
-	return string(result)
-}
-
-func visibleWhitespaceLine(ws func(string, string)) func(string, string) {
-	mapToVisibleSpace := func(r rune) rune {
-		switch r {
-		case '\n':
-		case ' ':
-			return '·'
-		case '\t':
-			return '▷'
-		case '\v':
-			return '▽'
-		case '\r':
-			return '↵'
-		case '\f':
-			return '↓'
-		default:
-			if unicode.IsSpace(r) {
-				return '�'
-			}
-		}
-		return r
-	}
-	return func(prefix, s string) {
-		ws(prefix, strings.Map(mapToVisibleSpace, s))
-	}
-}
-
-func formatHeader(wf func(string, ...interface{}), conf DiffConfig) {
-	if conf.From != "" || conf.To != "" {
-		wf("--- %s\n", conf.From)
-		wf("+++ %s\n", conf.To)
-	}
-}
-
-func formatRangeLine(wf func(string, ...interface{}), group []difflib.OpCode) {
-	first, last := group[0], group[len(group)-1]
-	range1 := formatRangeUnified(first.I1, last.I2)
-	range2 := formatRangeUnified(first.J1, last.J2)
-	wf("@@ -%s +%s @@\n", range1, range2)
-}
-
-// Convert range to the "ed" format
-func formatRangeUnified(start, stop int) string {
-	// Per the diff spec at http://www.unix.org/single_unix_specification/
-	beginning := start + 1 // lines start numbering with one
-	length := stop - start
-	if length == 1 {
-		return fmt.Sprintf("%d", beginning)
-	}
-	if length == 0 {
-		beginning-- // empty ranges begin at line just before the range
-	}
-	return fmt.Sprintf("%d,%d", beginning, length)
-}
-
-func formatLines(writeLine func(string, string), prefix string, lines []string) {
-	for _, line := range lines {
-		writeLine(prefix, line)
-	}
-	// Add a newline if the last line is missing one so that the diff displays
-	// properly.
-	if !strings.HasSuffix(lines[len(lines)-1], "\n") {
-		writeLine("", "\n")
-	}
-}