param diff to print colors

Signed-off-by: Jessica Yuen <im.jessicayuen@gmail.com>

vendor/github.com/olekukonko/tablewriter/util.go

-// Copyright 2014 Oleku Konko All rights reserved.
-// Use of this source code is governed by a MIT
-// license that can be found in the LICENSE file.
-
-// This module is a Table Writer  API for the Go Programming Language.
-// The protocols were written in pure Go and works on windows and unix systems
-
-package tablewriter
-
-import (
-	"math"
-	"regexp"
-	"strings"
-
-	"github.com/mattn/go-runewidth"
-)
-
-var ansi = regexp.MustCompile("\033\\[(?:[0-9]{1,3}(?:;[0-9]{1,3})*)?[m|K]")
-
-func DisplayWidth(str string) int {
-	return runewidth.StringWidth(ansi.ReplaceAllLiteralString(str, ""))
-}
-
-// Simple Condition for string
-// Returns value based on condition
-func ConditionString(cond bool, valid, inValid string) string {
-	if cond {
-		return valid
-	}
-	return inValid
-}
-
-// Format Table Header
-// Replace _ , . and spaces
-func Title(name string) string {
-	origLen := len(name)
-	name = strings.Replace(name, "_", " ", -1)
-	name = strings.Replace(name, ".", " ", -1)
-	name = strings.TrimSpace(name)
-	if len(name) == 0 && origLen > 0 {
-		// Keep at least one character. This is important to preserve
-		// empty lines in multi-line headers/footers.
-		name = " "
-	}
-	return strings.ToUpper(name)
-}
-
-// Pad String
-// Attempts to play string in the center
-func Pad(s, pad string, width int) string {
-	gap := width - DisplayWidth(s)
-	if gap > 0 {
-		gapLeft := int(math.Ceil(float64(gap / 2)))
-		gapRight := gap - gapLeft
-		return strings.Repeat(string(pad), gapLeft) + s + strings.Repeat(string(pad), gapRight)
-	}
-	return s
-}
-
-// Pad String Right position
-// This would pace string at the left side fo the screen
-func PadRight(s, pad string, width int) string {
-	gap := width - DisplayWidth(s)
-	if gap > 0 {
-		return s + strings.Repeat(string(pad), gap)
-	}
-	return s
-}
-
-// Pad String Left position
-// This would pace string at the right side fo the screen
-func PadLeft(s, pad string, width int) string {
-	gap := width - DisplayWidth(s)
-	if gap > 0 {
-		return strings.Repeat(string(pad), gap) + s
-	}
-	return s
-}

vendor/github.com/olekukonko/tablewriter/wrap.go

-// Copyright 2014 Oleku Konko All rights reserved.
-// Use of this source code is governed by a MIT
-// license that can be found in the LICENSE file.
-
-// This module is a Table Writer  API for the Go Programming Language.
-// The protocols were written in pure Go and works on windows and unix systems
-
-package tablewriter
-
-import (
-	"math"
-	"strings"
-
-	"github.com/mattn/go-runewidth"
-)
-
-var (
-	nl = "\n"
-	sp = " "
-)
-
-const defaultPenalty = 1e5
-
-// Wrap wraps s into a paragraph of lines of length lim, with minimal
-// raggedness.
-func WrapString(s string, lim int) ([]string, int) {
-	words := strings.Split(strings.Replace(s, nl, sp, -1), sp)
-	var lines []string
-	max := 0
-	for _, v := range words {
-		max = runewidth.StringWidth(v)
-		if max > lim {
-			lim = max
-		}
-	}
-	for _, line := range WrapWords(words, 1, lim, defaultPenalty) {
-		lines = append(lines, strings.Join(line, sp))
-	}
-	return lines, lim
-}
-
-// WrapWords is the low-level line-breaking algorithm, useful if you need more
-// control over the details of the text wrapping process. For most uses,
-// WrapString will be sufficient and more convenient.
-//
-// WrapWords splits a list of words into lines with minimal "raggedness",
-// treating each rune as one unit, accounting for spc units between adjacent
-// words on each line, and attempting to limit lines to lim units. Raggedness
-// is the total error over all lines, where error is the square of the
-// difference of the length of the line and lim. Too-long lines (which only
-// happen when a single word is longer than lim units) have pen penalty units
-// added to the error.
-func WrapWords(words []string, spc, lim, pen int) [][]string {
-	n := len(words)
-
-	length := make([][]int, n)
-	for i := 0; i < n; i++ {
-		length[i] = make([]int, n)
-		length[i][i] = runewidth.StringWidth(words[i])
-		for j := i + 1; j < n; j++ {
-			length[i][j] = length[i][j-1] + spc + runewidth.StringWidth(words[j])
-		}
-	}
-	nbrk := make([]int, n)
-	cost := make([]int, n)
-	for i := range cost {
-		cost[i] = math.MaxInt32
-	}
-	for i := n - 1; i >= 0; i-- {
-		if length[i][n-1] <= lim {
-			cost[i] = 0
-			nbrk[i] = n
-		} else {
-			for j := i + 1; j < n; j++ {
-				d := lim - length[i][j-1]
-				c := d*d + cost[j]
-				if length[i][j-1] > lim {
-					c += pen // too-long lines get a worse penalty
-				}
-				if c < cost[i] {
-					cost[i] = c
-					nbrk[i] = j
-				}
-			}
-		}
-	}
-	var lines [][]string
-	i := 0
-	for i < n {
-		lines = append(lines, words[i:nbrk[i]])
-		i = nbrk[i]
-	}
-	return lines
-}
-
-// getLines decomposes a multiline string into a slice of strings.
-func getLines(s string) []string {
-	return strings.Split(s, nl)
-}