Colors work for all commands

.github/workflows/go.yml

@@ -1,4 +1,4 @@
-name: Go
+name: Build
 on: [push]
 jobs:
 
@@ -24,5 +24,7 @@ jobs:
             dep ensure
         fi
 
+    - name: Download deps
+      run: scripts/devtools.sh
     - name: Build
-      run: make local test
+      run: make local build

.travis.yml

@@ -1,6 +0,0 @@
-language: go
-go:
-  - 1.13.x
-script:
-  - scripts/devtools.sh
-  - make local build

README.md

@@ -1,6 +1,6 @@
 # yq
 
-[![Build Status](https://api.travis-ci.com/mikefarah/yq.svg?branch=master)](https://travis-ci.com/mikefarah/yq/)  ![Docker Pulls](https://img.shields.io/docker/pulls/mikefarah/yq.svg) ![Github Releases (by Release)](https://img.shields.io/github/downloads/mikefarah/yq/total.svg) ![Go Report](https://goreportcard.com/badge/github.com/mikefarah/yq)
+![Build](https://github.com/mikefarah/yq/workflows/Build/badge.svg)  ![Docker Pulls](https://img.shields.io/docker/pulls/mikefarah/yq.svg) ![Github Releases (by Release)](https://img.shields.io/github/downloads/mikefarah/yq/total.svg) ![Go Report](https://goreportcard.com/badge/github.com/mikefarah/yq)
 
 
 a lightweight and portable command-line YAML processor

cmd/constant.go

@@ -13,6 +13,7 @@ var sourceYamlFile = ""
 var outputToJSON = false
 var prettyPrint = false
 var explodeAnchors = false
+var colorsEnabled = false
 var defaultValue = ""
 var indent = 2
 var overwriteFlag = false

cmd/new.go

@@ -1,8 +1,8 @@
 package cmd
 
 import (
+	"github.com/mikefarah/yq/v3/pkg/yqlib"
 	"github.com/spf13/cobra"
-	yaml "gopkg.in/yaml.v3"
 )
 
 func createNewCmd() *cobra.Command {
@@ -46,9 +46,6 @@ func newProperty(cmd *cobra.Command, args []string) error {
 		}
 	}
 
-	var encoder = yaml.NewEncoder(cmd.OutOrStdout())
+	var encoder = yqlib.NewYamlEncoder(cmd.OutOrStdout(), indent, colorsEnabled)
-	encoder.SetIndent(2)
+	return encoder.Encode(&newNode)
-	errorEncoding := encoder.Encode(&newNode)
-	encoder.Close()
-	return errorEncoding
 }

cmd/read.go

@@ -49,6 +49,7 @@ func readProperty(cmd *cobra.Command, args []string) error {
 	if errorReadingStream != nil {
 		return errorReadingStream
 	}
+	out := cmd.OutOrStdout()
 
-	return printResults(matchingNodes, cmd.OutOrStdout())
+	return printResults(matchingNodes, out)
 }

cmd/root.go

@@ -43,6 +43,7 @@ func New() *cobra.Command {
 	rootCmd.PersistentFlags().BoolVarP(&prettyPrint, "prettyPrint", "P", false, "pretty print")
 	rootCmd.PersistentFlags().IntVarP(&indent, "indent", "I", 2, "sets indent level for output")
 	rootCmd.Flags().BoolVarP(&version, "version", "V", false, "Print version information and quit")
+	rootCmd.PersistentFlags().BoolVarP(&colorsEnabled, "colorsEnabled", "C", false, "enable colors")
 
 	rootCmd.AddCommand(
 		createReadCmd(),

cmd/utils.go

@@ -77,20 +77,12 @@ func appendDocument(originalMatchingNodes []*yqlib.NodeContext, dataBucket yaml.
 	return append(originalMatchingNodes, matchingNodes...), nil
 }
 
-func printValue(node *yaml.Node, writer io.Writer) error {
-	if node.Kind == yaml.ScalarNode {
-		_, errorWriting := writer.Write([]byte(node.Value + "\n"))
-		return errorWriting
-	}
-	return printNode(node, writer)
-}
-
 func printNode(node *yaml.Node, writer io.Writer) error {
 	var encoder yqlib.Encoder
 	if outputToJSON {
 		encoder = yqlib.NewJsonEncoder(writer, prettyPrint, indent)
 	} else {
-		encoder = yqlib.NewYamlEncoder(writer, indent)
+		encoder = yqlib.NewYamlEncoder(writer, indent, colorsEnabled)
 	}
 	return encoder.Encode(node)
 }
@@ -173,11 +165,11 @@ func printResults(matchingNodes []*yqlib.NodeContext, writer io.Writer) error {
 			parentNode.Content = make([]*yaml.Node, 2)
 			parentNode.Content[0] = &yaml.Node{Kind: yaml.ScalarNode, Value: lib.PathStackToString(mappedDoc.PathStack)}
 			parentNode.Content[1] = mappedDoc.Node
-			if err := printValue(&parentNode, bufferedWriter); err != nil {
+			if err := printNode(&parentNode, bufferedWriter); err != nil {
 				return err
 			}
 		default:
-			if err := printValue(mappedDoc.Node, bufferedWriter); err != nil {
+			if err := printNode(mappedDoc.Node, bufferedWriter); err != nil {
 				return err
 			}
 		}
@@ -332,8 +324,9 @@ func readAndUpdate(stdOut io.Writer, inputFile string, updateData updateDataFn)
 	if outputToJSON {
 		encoder = yqlib.NewJsonEncoder(bufferedWriter, prettyPrint, indent)
 	} else {
-		encoder = yqlib.NewYamlEncoder(bufferedWriter, indent)
+		encoder = yqlib.NewYamlEncoder(bufferedWriter, indent, colorsEnabled)
 	}
+
 	return readStream(inputFile, mapYamlDecoder(updateData, encoder))
 }
 

go.mod

@@ -1,24 +1,14 @@
 module github.com/mikefarah/yq/v3
 
 require (
-	github.com/cosiner/argv v0.0.1 // indirect
+	github.com/fatih/color v1.9.0
-	github.com/go-delve/delve v1.4.0 // indirect
+	github.com/goccy/go-yaml v1.3.2
-	github.com/konsorten/go-windows-terminal-sequences v1.0.2 // indirect
+	github.com/kr/pretty v0.1.0 // indirect
 	github.com/kylelemons/godebug v1.1.0
-	github.com/mattn/go-colorable v0.1.4 // indirect
-	github.com/mattn/go-isatty v0.0.12 // indirect
-	github.com/mattn/go-runewidth v0.0.8 // indirect
-	github.com/peterh/liner v1.2.0 // indirect
 	github.com/pkg/errors v0.8.1
-	github.com/sirupsen/logrus v1.4.2 // indirect
 	github.com/spf13/cobra v0.0.5
 	github.com/spf13/pflag v1.0.5 // indirect
-	go.starlark.net v0.0.0-20200203144150-6677ee5c7211 // indirect
+	gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 // indirect
-	golang.org/x/arch v0.0.0-20191126211547-368ea8f32fff // indirect
-	golang.org/x/crypto v0.0.0-20200210222208-86ce3cb69678 // indirect
-	golang.org/x/sys v0.0.0-20200202164722-d101bd2416d5 // indirect
-	golang.org/x/tools v0.0.0-20191213221258-04c2e8eff935 // indirect
-	gopkg.in/imdario/mergo.v0 v0.3.7 // indirect
 	gopkg.in/op/go-logging.v1 v1.0.0-20160211212156-b2cb9fa56473
 	gopkg.in/yaml.v3 v3.0.0-20200121175148-a6ecf24a6d71
 )

go.sum

@@ -1,150 +1,81 @@
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pkg/yqlib/color_print.go

@@ -0,0 +1,61 @@
+package yqlib
+
+import (
+	"fmt"
+	"io"
+
+	"github.com/fatih/color"
+	"github.com/goccy/go-yaml/lexer"
+	"github.com/goccy/go-yaml/printer"
+)
+
+// Thanks @risentveber!
+
+const escape = "\x1b"
+
+func format(attr color.Attribute) string {
+	return fmt.Sprintf("%s[%dm", escape, attr)
+}
+
+func ColorizeAndPrint(bytes []byte, writer io.Writer) error {
+	tokens := lexer.Tokenize(string(bytes))
+	var p printer.Printer
+	p.Bool = func() *printer.Property {
+		return &printer.Property{
+			Prefix: format(color.FgHiMagenta),
+			Suffix: format(color.Reset),
+		}
+	}
+	p.Number = func() *printer.Property {
+		return &printer.Property{
+			Prefix: format(color.FgHiMagenta),
+			Suffix: format(color.Reset),
+		}
+	}
+	p.MapKey = func() *printer.Property {
+		return &printer.Property{
+			Prefix: format(color.FgCyan),
+			Suffix: format(color.Reset),
+		}
+	}
+	p.Anchor = func() *printer.Property {
+		return &printer.Property{
+			Prefix: format(color.FgHiYellow),
+			Suffix: format(color.Reset),
+		}
+	}
+	p.Alias = func() *printer.Property {
+		return &printer.Property{
+			Prefix: format(color.FgHiYellow),
+			Suffix: format(color.Reset),
+		}
+	}
+	p.String = func() *printer.Property {
+		return &printer.Property{
+			Prefix: format(color.FgGreen),
+			Suffix: format(color.Reset),
+		}
+	}
+	_, err := writer.Write([]byte(p.PrintTokens(tokens) + "\n"))
+	return err
+}

pkg/yqlib/encoder.go

@@ -1,6 +1,7 @@
 package yqlib
 
 import (
+	"bytes"
 	"encoding/json"
 	"io"
 
@@ -12,20 +13,45 @@ type Encoder interface {
 }
 
 type yamlEncoder struct {
-	encoder *yaml.Encoder
+	destination io.Writer
+	indent      int
+	colorise    bool
+	firstDoc    bool
 }
 
-func NewYamlEncoder(destination io.Writer, indent int) Encoder {
+func NewYamlEncoder(destination io.Writer, indent int, colorise bool) Encoder {
-	var encoder = yaml.NewEncoder(destination)
 	if indent < 0 {
 		indent = 0
 	}
-	encoder.SetIndent(indent)
+	return &yamlEncoder{destination, indent, colorise, true}
-	return &yamlEncoder{encoder}
 }
 
 func (ye *yamlEncoder) Encode(node *yaml.Node) error {
-	return ye.encoder.Encode(node)
+
+	destination := ye.destination
+	tempBuffer := bytes.NewBuffer(nil)
+	if ye.colorise {
+		destination = tempBuffer
+	}
+
+	var encoder = yaml.NewEncoder(destination)
+
+	encoder.SetIndent(ye.indent)
+	// TODO: work out if the first doc had a separator or not.
+	if ye.firstDoc {
+		ye.firstDoc = false
+	} else if _, err := destination.Write([]byte("---\n")); err != nil {
+		return err
+	}
+
+	if err := encoder.Encode(node); err != nil {
+		return err
+	}
+
+	if ye.colorise {
+		return ColorizeAndPrint(tempBuffer.Bytes(), ye.destination)
+	}
+	return nil
 }
 
 type jsonEncoder struct {

scripts/format.sh

@@ -1,3 +1,4 @@
 #!/bin/bash
 
 find . \( -path ./vendor \) -prune -o -name "*.go" -exec goimports -w {} \;
+go mod tidy