Added icon and color to github action

Fixes https://github.com/mikefarah/yq/issues/375

.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
@@ -79,8 +79,10 @@ yq() {
 
 ## Features
 - Written in portable go, so you can download a lovely dependency free binary
+- [Colorize the output](https://mikefarah.gitbook.io/yq/usage/color)
 - [Deep read a yaml file with a given path expression](https://mikefarah.gitbook.io/yq/commands/read#basic)
 - [List matching paths of a given path expression](https://mikefarah.gitbook.io/yq/commands/read#path-only)
+- [Return the lengths of arrays/object/scalars](https://mikefarah.gitbook.io/yq/commands/read#length)
 - Update a yaml file given a [path expression](https://mikefarah.gitbook.io/yq/commands/write-update#basic) or [script file](https://mikefarah.gitbook.io/yq/commands/write-update#basic)
 - Update creates any missing entries in the path on the fly
 - Deeply [compare](https://mikefarah.gitbook.io/yq/commands/compare) yaml files
@@ -114,6 +116,7 @@ Available Commands:
   write       yq w [--inplace/-i] [--script/-s script_file] [--doc/-d index] sample.yaml 'b.e(name==fr*).value' newValue
 
 Flags:
+  -C, --colors        print using colors
   -h, --help          help for yq
   -I, --indent int    sets indent level for output (default 2)
   -P, --prettyPrint   pretty print

action.yml

@@ -1,5 +1,7 @@
 name: 'YAML processor'
 description: 'YAML processor for running in Github action'
+icon: command
+color: gray-dark
 inputs:
   cmd:
     description: 'The Command which should be run'

cmd/commands_test.go

@@ -94,12 +94,21 @@ func TestReadCmd(t *testing.T) {
 	test.AssertResult(t, "2\n", result.Output)
 }
 
-func TestCompareCmd(t *testing.T) {
+func TestCompareSameCmd(t *testing.T) {
 	cmd := getRootCommand()
-	result := test.RunCmd(cmd, "compare ../examples/data1.yaml ../examples/data3.yaml")
+	result := test.RunCmd(cmd, "compare ../examples/data1.yaml ../examples/data1.yaml")
 	if result.Error != nil {
 		t.Error(result.Error)
 	}
+	expectedOutput := ``
+	test.AssertResult(t, expectedOutput, result.Output)
+}
+
+func TestCompareDifferentCmd(t *testing.T) {
+	forceOsExit = false
+	cmd := getRootCommand()
+	result := test.RunCmd(cmd, "compare ../examples/data1.yaml ../examples/data3.yaml")
+
 	expectedOutput := `-a: simple # just the best
 -b: [1, 2]
 +a: "simple" # just the best
@@ -111,6 +120,7 @@ func TestCompareCmd(t *testing.T) {
 }
 
 func TestComparePrettyCmd(t *testing.T) {
+	forceOsExit = false
 	cmd := getRootCommand()
 	result := test.RunCmd(cmd, "compare -P ../examples/data1.yaml ../examples/data3.yaml")
 	if result.Error != nil {
@@ -128,6 +138,7 @@ func TestComparePrettyCmd(t *testing.T) {
 }
 
 func TestComparePathsCmd(t *testing.T) {
+	forceOsExit = false
 	cmd := getRootCommand()
 	result := test.RunCmd(cmd, "compare -P -ppv ../examples/data1.yaml ../examples/data3.yaml **")
 	if result.Error != nil {
@@ -190,6 +201,202 @@ func TestReadArrayCmd(t *testing.T) {
 	test.AssertResult(t, "b.e.[1].name: sam\n", result.Output)
 }
 
+func TestReadArrayLengthCmd(t *testing.T) {
+	content := `- things
+- whatever
+`
+	filename := test.WriteTempYamlFile(content)
+	defer test.RemoveTempYamlFile(filename)
+
+	cmd := getRootCommand()
+	result := test.RunCmd(cmd, fmt.Sprintf("read -l %s", filename))
+	if result.Error != nil {
+		t.Error(result.Error)
+	}
+	test.AssertResult(t, "2\n", result.Output)
+}
+
+func TestReadArrayLengthDeepCmd(t *testing.T) {
+	content := `holder: 
+- things
+- whatever
+`
+	filename := test.WriteTempYamlFile(content)
+	defer test.RemoveTempYamlFile(filename)
+
+	cmd := getRootCommand()
+	result := test.RunCmd(cmd, fmt.Sprintf("read -l %s holder", filename))
+	if result.Error != nil {
+		t.Error(result.Error)
+	}
+	test.AssertResult(t, "2\n", result.Output)
+}
+
+func TestReadArrayLengthDeepMultipleCmd(t *testing.T) {
+	content := `holderA: 
+- things
+- whatever
+skipMe:
+- yep
+holderB: 
+- other things
+- cool
+`
+	filename := test.WriteTempYamlFile(content)
+	defer test.RemoveTempYamlFile(filename)
+
+	cmd := getRootCommand()
+	result := test.RunCmd(cmd, fmt.Sprintf("read -l -c %s holder*", filename))
+	if result.Error != nil {
+		t.Error(result.Error)
+	}
+	test.AssertResult(t, "2\n", result.Output)
+}
+
+func TestReadCollectCmd(t *testing.T) {
+	content := `holderA: yep
+skipMe: not me
+holderB: me too
+`
+	filename := test.WriteTempYamlFile(content)
+	defer test.RemoveTempYamlFile(filename)
+
+	cmd := getRootCommand()
+	result := test.RunCmd(cmd, fmt.Sprintf("read -c %s holder*", filename))
+	if result.Error != nil {
+		t.Error(result.Error)
+	}
+	expectedOutput := `- yep
+- me too
+`
+	test.AssertResult(t, expectedOutput, result.Output)
+}
+
+func TestReadCollectArrayCmd(t *testing.T) {
+	content := `- name: fred
+  value: 32
+- name: sam
+  value: 67
+- name: fernie
+  value: 103
+`
+	filename := test.WriteTempYamlFile(content)
+	defer test.RemoveTempYamlFile(filename)
+
+	cmd := getRootCommand()
+	result := test.RunCmd(cmd, fmt.Sprintf("read -c %s (name==f*)", filename))
+	if result.Error != nil {
+		t.Error(result.Error)
+	}
+	expectedOutput := `- name: fred
+  value: 32
+- name: fernie
+  value: 103
+`
+	test.AssertResult(t, expectedOutput, result.Output)
+}
+
+func TestReadArrayLengthDeepMultipleWithPathCmd(t *testing.T) {
+	content := `holderA: 
+- things
+- whatever
+holderB: 
+- other things
+- cool
+`
+	filename := test.WriteTempYamlFile(content)
+	defer test.RemoveTempYamlFile(filename)
+
+	cmd := getRootCommand()
+	result := test.RunCmd(cmd, fmt.Sprintf("read -l %s -ppv holder*", filename))
+	if result.Error != nil {
+		t.Error(result.Error)
+	}
+	test.AssertResult(t, "holderA: 2\nholderB: 2\n", result.Output)
+}
+
+func TestReadObjectLengthCmd(t *testing.T) {
+	content := `cat: meow
+dog: bark
+`
+	filename := test.WriteTempYamlFile(content)
+	defer test.RemoveTempYamlFile(filename)
+
+	cmd := getRootCommand()
+	result := test.RunCmd(cmd, fmt.Sprintf("read -l %s", filename))
+	if result.Error != nil {
+		t.Error(result.Error)
+	}
+	test.AssertResult(t, "2\n", result.Output)
+}
+
+func TestReadObjectLengthDeepCmd(t *testing.T) {
+	content := `holder: 
+  cat: meow
+  dog: bark
+`
+	filename := test.WriteTempYamlFile(content)
+	defer test.RemoveTempYamlFile(filename)
+
+	cmd := getRootCommand()
+	result := test.RunCmd(cmd, fmt.Sprintf("read -l %s holder", filename))
+	if result.Error != nil {
+		t.Error(result.Error)
+	}
+	test.AssertResult(t, "2\n", result.Output)
+}
+
+func TestReadObjectLengthDeepMultipleCmd(t *testing.T) {
+	content := `holderA: 
+  cat: meow
+  dog: bark
+holderB: 
+  elephant: meow
+  zebra: bark
+`
+	filename := test.WriteTempYamlFile(content)
+	defer test.RemoveTempYamlFile(filename)
+
+	cmd := getRootCommand()
+	result := test.RunCmd(cmd, fmt.Sprintf("read -l -c %s holder*", filename))
+	if result.Error != nil {
+		t.Error(result.Error)
+	}
+	test.AssertResult(t, "2\n", result.Output)
+}
+
+func TestReadObjectLengthDeepMultipleWithPathsCmd(t *testing.T) {
+	content := `holderA: 
+  cat: meow
+  dog: bark
+holderB: 
+  elephant: meow
+  zebra: bark
+`
+	filename := test.WriteTempYamlFile(content)
+	defer test.RemoveTempYamlFile(filename)
+
+	cmd := getRootCommand()
+	result := test.RunCmd(cmd, fmt.Sprintf("read -l -ppv %s holder*", filename))
+	if result.Error != nil {
+		t.Error(result.Error)
+	}
+	test.AssertResult(t, "holderA: 2\nholderB: 2\n", result.Output)
+}
+
+func TestReadScalarLengthCmd(t *testing.T) {
+	content := `meow`
+	filename := test.WriteTempYamlFile(content)
+	defer test.RemoveTempYamlFile(filename)
+
+	cmd := getRootCommand()
+	result := test.RunCmd(cmd, fmt.Sprintf("read -l %s", filename))
+	if result.Error != nil {
+		t.Error(result.Error)
+	}
+	test.AssertResult(t, "4\n", result.Output)
+}
+
 func TestReadDeepSplatCmd(t *testing.T) {
 	cmd := getRootCommand()
 	result := test.RunCmd(cmd, "read -p pv ../examples/sample.yaml b.**")
@@ -1809,6 +2016,75 @@ func TestDeleteYamlArrayCmd(t *testing.T) {
 	test.AssertResult(t, expectedOutput, result.Output)
 }
 
+func TestReadExpression(t *testing.T) {
+	content := `name: value`
+	filename := test.WriteTempYamlFile(content)
+	defer test.RemoveTempYamlFile(filename)
+	cmd := getRootCommand()
+	result := test.RunCmd(cmd, fmt.Sprintf("r %s (x==f)", filename))
+	if result.Error != nil {
+		t.Error(result.Error)
+	}
+
+	expectedOutput := ``
+	test.AssertResult(t, expectedOutput, result.Output)
+}
+
+func TestReadFindValueArrayCmd(t *testing.T) {
+	content := `- cat
+- dog
+- rat
+`
+	filename := test.WriteTempYamlFile(content)
+	defer test.RemoveTempYamlFile(filename)
+	cmd := getRootCommand()
+	result := test.RunCmd(cmd, fmt.Sprintf("r %s (.==dog)", filename))
+	if result.Error != nil {
+		t.Error(result.Error)
+	}
+
+	expectedOutput := `dog
+`
+	test.AssertResult(t, expectedOutput, result.Output)
+}
+
+func TestReadFindValueDeepArrayCmd(t *testing.T) {
+	content := `animals:
+  - cat
+  - dog
+  - rat
+`
+	filename := test.WriteTempYamlFile(content)
+	defer test.RemoveTempYamlFile(filename)
+	cmd := getRootCommand()
+	result := test.RunCmd(cmd, fmt.Sprintf("r %s animals(.==dog)", filename))
+	if result.Error != nil {
+		t.Error(result.Error)
+	}
+
+	expectedOutput := `dog
+`
+	test.AssertResult(t, expectedOutput, result.Output)
+}
+
+func TestReadFindValueDeepObjectCmd(t *testing.T) {
+	content := `animals:
+  great: yes
+  small: sometimes
+`
+	filename := test.WriteTempYamlFile(content)
+	defer test.RemoveTempYamlFile(filename)
+	cmd := getRootCommand()
+	result := test.RunCmd(cmd, fmt.Sprintf("r %s animals(.==yes) -ppv", filename))
+	if result.Error != nil {
+		t.Error(result.Error)
+	}
+
+	expectedOutput := `animals.great: yes
+`
+	test.AssertResult(t, expectedOutput, result.Output)
+}
+
 func TestDeleteYamlArrayExpressionCmd(t *testing.T) {
 	content := `- name: fred
 - name: cat

cmd/compare.go

@@ -3,6 +3,7 @@ package cmd
 import (
 	"bufio"
 	"bytes"
+	"os"
 	"strings"
 
 	"github.com/kylelemons/godebug/diff"
@@ -11,6 +12,9 @@ import (
 	"github.com/spf13/cobra"
 )
 
+// turn off for unit tests :(
+var forceOsExit = true
+
 func createCompareCmd() *cobra.Command {
 	var cmdCompare = &cobra.Command{
 		Use:     "compare [yaml_file_a] [yaml_file_b]",
@@ -70,7 +74,14 @@ func compareDocuments(cmd *cobra.Command, args []string) error {
 		return errorDoingThings
 	}
 
-	cmd.Print(diff.Diff(strings.TrimSuffix(dataBufferA.String(), "\n"), strings.TrimSuffix(dataBufferB.String(), "\n")))
-	cmd.Print("\n")
+	diffString := diff.Diff(strings.TrimSuffix(dataBufferA.String(), "\n"), strings.TrimSuffix(dataBufferB.String(), "\n"))
+
+	if len(diffString) > 1 {
+		cmd.Print(diffString)
+		cmd.Print("\n")
+		if forceOsExit {
+			os.Exit(1)
+		}
+	}
 	return nil
 }

cmd/constant.go

@@ -7,12 +7,15 @@ import (
 
 var customTag = ""
 var printMode = "v"
+var printLength = false
+var collectIntoArray = false
 var writeInplace = false
 var writeScript = ""
 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())
-	encoder.SetIndent(2)
-	errorEncoding := encoder.Encode(&newNode)
-	encoder.Close()
-	return errorEncoding
+	var encoder = yqlib.NewYamlEncoder(cmd.OutOrStdout(), indent, colorsEnabled)
+	return encoder.Encode(&newNode)
 }

cmd/read.go

@@ -26,6 +26,8 @@ yq r -- things.yaml '--key-starting-with-dashes.blah'
 	cmdRead.PersistentFlags().StringVarP(&docIndex, "doc", "d", "0", "process document index number (0 based, * for all documents)")
 	cmdRead.PersistentFlags().StringVarP(&printMode, "printMode", "p", "v", "print mode (v (values, default), p (paths), pv (path and value pairs)")
 	cmdRead.PersistentFlags().StringVarP(&defaultValue, "defaultValue", "D", "", "default value printed when there are no results")
+	cmdRead.PersistentFlags().BoolVarP(&printLength, "length", "l", false, "print length of results")
+	cmdRead.PersistentFlags().BoolVarP(&collectIntoArray, "collect", "c", false, "collect results into array")
 	cmdRead.PersistentFlags().BoolVarP(&explodeAnchors, "explodeAnchors", "X", false, "explode anchors")
 	return cmdRead
 }
@@ -49,6 +51,7 @@ 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, "colors", "C", false, "print with colors")
 
 	rootCmd.AddCommand(
 		createReadCmd(),

cmd/utils.go

@@ -77,12 +77,28 @@ 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
+func lengthOf(node *yaml.Node) int {
+	kindToCheck := node.Kind
+	if node.Kind == yaml.DocumentNode && len(node.Content) == 1 {
+		log.Debugf("length of document node, calculating length of child")
+		kindToCheck = node.Content[0].Kind
 	}
-	return printNode(node, writer)
+	switch kindToCheck {
+	case yaml.ScalarNode:
+		return len(node.Value)
+	case yaml.MappingNode:
+		return len(node.Content) / 2
+	default:
+		return len(node.Content)
+	}
+}
+
+// transforms node before printing, if required
+func transformNode(node *yaml.Node) *yaml.Node {
+	if printLength {
+		return &yaml.Node{Kind: yaml.ScalarNode, Value: fmt.Sprintf("%v", lengthOf(node))}
+	}
+	return node
 }
 
 func printNode(node *yaml.Node, writer io.Writer) error {
@@ -90,7 +106,7 @@ func printNode(node *yaml.Node, writer io.Writer) error {
 	if outputToJSON {
 		encoder = yqlib.NewJsonEncoder(writer, prettyPrint, indent)
 	} else {
-		encoder = yqlib.NewYamlEncoder(writer, indent)
+		encoder = yqlib.NewYamlEncoder(writer, indent, colorsEnabled)
 	}
 	return encoder.Encode(node)
 }
@@ -160,6 +176,9 @@ func printResults(matchingNodes []*yqlib.NodeContext, writer io.Writer) error {
 		return nil
 	}
 	var errorWriting error
+
+	var arrayCollection = yaml.Node{Kind: yaml.SequenceNode}
+
 	for _, mappedDoc := range matchingNodes {
 		switch printMode {
 		case "p":
@@ -172,17 +191,27 @@ func printResults(matchingNodes []*yqlib.NodeContext, writer io.Writer) error {
 			var parentNode = yaml.Node{Kind: yaml.MappingNode}
 			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 {
+			parentNode.Content[1] = transformNode(mappedDoc.Node)
+			if collectIntoArray {
+				arrayCollection.Content = append(arrayCollection.Content, &parentNode)
+			} else if err := printNode(&parentNode, bufferedWriter); err != nil {
 				return err
 			}
 		default:
-			if err := printValue(mappedDoc.Node, bufferedWriter); err != nil {
+			if collectIntoArray {
+				arrayCollection.Content = append(arrayCollection.Content, mappedDoc.Node)
+			} else if err := printNode(transformNode(mappedDoc.Node), bufferedWriter); err != nil {
 				return err
 			}
 		}
 	}
 
+	if collectIntoArray {
+		if err := printNode(transformNode(&arrayCollection), bufferedWriter); err != nil {
+			return err
+		}
+	}
+
 	return nil
 }
 
@@ -332,8 +361,9 @@ 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))
 }
 

cmd/version.go

@@ -11,7 +11,7 @@ var (
 	GitDescribe string
 
 	// Version is main version number that is being run at the moment.
-	Version = "3.1.2"
+	Version = "3.2.0"
 
 	// VersionPrerelease is a pre-release marker for the version. If this is "" (empty string)
 	// then it means that it is a final release. Otherwise, this is a pre-release

go.mod

@@ -1,24 +1,14 @@
 module github.com/mikefarah/yq/v3
 
 require (
-	github.com/cosiner/argv v0.0.1 // indirect
-	github.com/go-delve/delve v1.4.0 // indirect
-	github.com/konsorten/go-windows-terminal-sequences v1.0.2 // indirect
+	github.com/fatih/color v1.9.0
+	github.com/goccy/go-yaml v1.3.2
+	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
-	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/check.v1 v1.0.0-20180628173108-788fd7840127 // 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 @@
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8=
-github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
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-github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
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-golang.org/x/tools v0.0.0-20191213221258-04c2e8eff935 h1:kJQZhwFzSwJS2BxboKjdZzWczQOZx8VuH7Y8hhuGUtM=
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+golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898 h1:/atklqdjdhuosWIl6AIbOeHJjicWYPqR9bpxqxYG2pA=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-gopkg.in/airbrake/gobrake.v2 v2.0.9/go.mod h1:/h5ZAUhDkGaJfjzjKLSjv6zCL6O0LLBxU4K+aSYdM/U=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
-gopkg.in/gemnasium/logrus-airbrake-hook.v2 v2.1.2/go.mod h1:Xk6kEKp8OKb+X14hQBKWaSkCsqBpgog8nAV2xsGOxlo=
-gopkg.in/imdario/mergo.v0 v0.3.7 h1:QDotlIZtaO/p+Um0ok18HRTpq5i5/SAk/qprsor+9c8=
-gopkg.in/imdario/mergo.v0 v0.3.7/go.mod h1:9qPP6AGrlC1G2PTNXko614FwGZvorN7MiBU0Eppok+U=
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 gopkg.in/op/go-logging.v1 v1.0.0-20160211212156-b2cb9fa56473 h1:6D+BvnJ/j6e222UW8s2qTSe3wGBtvo0MbVQG/c5k8RE=
 gopkg.in/op/go-logging.v1 v1.0.0-20160211212156-b2cb9fa56473/go.mod h1:N1eN2tsCx0Ydtgjl4cqmbRCsY4/+z4cYDeqwZTk6zog=
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-rsc.io/pdf v0.1.1/go.mod h1:n8OzWcQ6Sp37PL01nO98y4iUCRdTGarVfzxY20ICaU4=

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 {
-	var encoder = yaml.NewEncoder(destination)
+func NewYamlEncoder(destination io.Writer, indent int, colorise bool) Encoder {
 	if indent < 0 {
 		indent = 0
 	}
-	encoder.SetIndent(indent)
-	return &yamlEncoder{encoder}
+	return &yamlEncoder{destination, indent, colorise, true}
 }
 
 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 {

pkg/yqlib/path_parser.go

@@ -4,6 +4,8 @@ import (
 	"fmt"
 	"strconv"
 	"strings"
+
+	yaml "gopkg.in/yaml.v3"
 )
 
 type PathParser interface {
@@ -45,7 +47,7 @@ func (p *pathParser) MatchesNextPathElement(nodeContext NodeContext, nodeKey str
 	}
 	var headString = fmt.Sprintf("%v", head)
 
-	if strings.Contains(headString, "==") {
+	if strings.Contains(headString, "==") && nodeContext.Node.Kind != yaml.ScalarNode {
 		log.Debug("ooh deep recursion time")
 		result := strings.SplitN(headString, "==", 2)
 		path := strings.TrimSpace(result[0])
@@ -63,6 +65,14 @@ func (p *pathParser) MatchesNextPathElement(nodeContext NodeContext, nodeKey str
 		}
 		log.Debug("done deep recursing, found %v matches", len(navigationStrategy.GetVisitedNodes()))
 		return len(navigationStrategy.GetVisitedNodes()) > 0
+	} else if strings.Contains(headString, "==") && nodeContext.Node.Kind == yaml.ScalarNode {
+		result := strings.SplitN(headString, "==", 2)
+		path := strings.TrimSpace(result[0])
+		value := strings.TrimSpace(result[1])
+		if path == "." {
+			log.Debug("need to match scalar")
+			return matchesString(value, nodeContext.Node.Value)
+		}
 	}
 
 	if head == "+" {

scripts/format.sh

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

snap/snapcraft.yaml

@@ -1,5 +1,5 @@
 name: yq
-version: '3.1.2'
+version: '3.2.0'
 summary: A lightweight and portable command-line YAML processor
 description: |
   The aim of the project is to be the jq or sed of yaml files.