support Silent error

README.md

@@ -50,19 +50,19 @@ $ wget -qO-  https://raw.githubusercontent.com/octolab/testit/master/bin/install
 
 ```bash
 # use standard go tools
-$ go get github.com/octolab/testit@latest
+$ go get go.octolab.org/toolset/testit@latest
 # or use egg tool
-$ egg tools add github.com/octolab/testit@latest
+$ egg tools add go.octolab.org/toolset/testit@latest
 ```
 
 > [egg][] is an `extended go get`.
 
 ### Shell completions
 
 ```bash
-$ testit completion bash|fish|powershell|zsh > /path/to/completions/...
+$ testit completion > /path/to/completions/...
 # or
-$ source <(testit completion bash|fish|powershell|zsh)
+$ source <(testit completion)
 ```
 
 <p align="right">made with ❤️ for everyone</p>
@@ -83,5 +83,5 @@ $ source <(testit completion bash|fish|powershell|zsh)
 [template.page]:    https://github.com/octomation/go-tool
 [template.icon]:    https://img.shields.io/badge/template-go--tool-blue
 
-[_]:                https://img.shields.io/sourcegraph/rrc/github.com/octolab/testit
+[_]:                https://img.shields.io/sourcegraph/rrc/go.octolab.org/toolset/testit
 [egg]:              https://github.com/kamilsk/egg

go.mod

@@ -7,6 +7,6 @@ require (
 	github.com/spf13/cobra v1.1.1
 	github.com/stretchr/testify v1.7.0
 	go.octolab.org v0.7.2
-	go.octolab.org/toolkit/cli v0.4.0
+	go.octolab.org/toolkit/cli v0.5.0
 	go.octolab.org/toolkit/config v0.0.4
 )

go.sum

@@ -197,6 +197,10 @@ go.octolab.org v0.7.2 h1:Dg3SsGKlny1p8asWaMnx+87mEzImIFj5mSSqjTFlWZU=
 go.octolab.org v0.7.2/go.mod h1:nKRNx6ldZmcrMJckYRvIctL2ed8IremxWwK30lrVL5A=
 go.octolab.org/toolkit/cli v0.4.0 h1:QDt4zPcaeHBw/9TDT807L3Nrbt5aqT+iPwqcQl9PH5Q=
 go.octolab.org/toolkit/cli v0.4.0/go.mod h1:21e8fMBwJ8n+FXsrMPtD8w0jWNTtjqWYuV2kiD/+vzw=
+go.octolab.org/toolkit/cli v0.4.1 h1:nOWiz31c07fHeiBq3c89iA7E1wRTrJrb/he5t5A85Gc=
+go.octolab.org/toolkit/cli v0.4.1/go.mod h1:21e8fMBwJ8n+FXsrMPtD8w0jWNTtjqWYuV2kiD/+vzw=
+go.octolab.org/toolkit/cli v0.5.0 h1:wxLaKbsCrkHBzW31cDY6CEbZYpnh3PmAe8Hy52dWC6g=
+go.octolab.org/toolkit/cli v0.5.0/go.mod h1:21e8fMBwJ8n+FXsrMPtD8w0jWNTtjqWYuV2kiD/+vzw=
 go.octolab.org/toolkit/config v0.0.4 h1:Q/MnSuRf4ttHCuAaq7PqpD8xQhEtmfK8mO9NX1IxvlA=
 go.octolab.org/toolkit/config v0.0.4/go.mod h1:dI3TlD3b4t0ilP7T+q0BYs6mhYBXm8i4TCLqCabykBA=
 go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU=

internal/cmd/root.go

@@ -1,9 +1,13 @@
 package cmd
 
-import "github.com/spf13/cobra"
+import (
+	"io"
+
+	"github.com/spf13/cobra"
+)
 
 // New returns the new root command.
-func New() *cobra.Command {
+func New(stderr, stdout io.Writer) *cobra.Command {
 	command := cobra.Command{
 		Use:   "testit",
 		Short: "extended testing toolset",
@@ -15,6 +19,8 @@ func New() *cobra.Command {
 		SilenceUsage:  true,
 	}
 
+	command.SetErr(stderr)
+	command.SetOut(stdout)
 	command.AddCommand(
 		Golang(),
 	)

internal/cmd/root_test.go

@@ -1,6 +1,7 @@
 package cmd_test
 
 import (
+	"io/ioutil"
 	"testing"
 
 	"github.com/stretchr/testify/assert"
@@ -10,7 +11,7 @@ import (
 )
 
 func TestNew(t *testing.T) {
-	root := New()
+	root := New(ioutil.Discard, ioutil.Discard)
 	require.NotNil(t, root)
 	assert.NotEmpty(t, root.Use)
 	assert.NotEmpty(t, root.Short)

main.go

@@ -10,6 +10,7 @@ import (
 	"go.octolab.org/errors"
 	"go.octolab.org/safe"
 	"go.octolab.org/toolkit/cli/cobra"
+	cli "go.octolab.org/toolkit/cli/errors"
 	"go.octolab.org/unsafe"
 
 	"go.octolab.org/toolset/testit/internal/cmd"
@@ -38,9 +39,7 @@ func main() {
 	ctx, cancel := context.WithCancel(context.Background())
 	defer cancel()
 
-	root := cmd.New()
-	root.SetErr(stderr)
-	root.SetOut(stdout)
+	root := cmd.New(stderr, stdout)
 	root.AddCommand(
 		cobra.NewCompletionCommand(),
 		cobra.NewVersionCommand(version, date, commit, cnf.Features...),
@@ -50,10 +49,16 @@ func main() {
 }
 
 func shutdown(err error) {
-	if recovered, is := errors.Unwrap(err).(errors.Recovered); is {
+	code := 1
+	if silent, is := errors.Unwrap(err).(cli.Silent); is {
+		code = silent.Code
+		if silent.Message != "" {
+			unsafe.DoSilent(fmt.Fprintln(stderr, silent.Message))
+		}
+	} else if recovered, is := errors.Unwrap(err).(errors.Recovered); is {
 		unsafe.DoSilent(fmt.Fprintf(stderr, "recovered: %+v\n", recovered.Cause()))
 		unsafe.DoSilent(fmt.Fprintln(stderr, "---"))
 		unsafe.DoSilent(fmt.Fprintf(stderr, "%+v\n", err))
 	}
-	exit(1)
+	exit(code)
 }

main_test.go

@@ -7,26 +7,31 @@ import (
 
 	"github.com/stretchr/testify/assert"
 	"go.octolab.org/safe"
+	cli "go.octolab.org/toolkit/cli/errors"
 )
 
 func TestExecution(t *testing.T) {
+	stderr, stdout = ioutil.Discard, ioutil.Discard
+
 	t.Run("success", func(t *testing.T) {
 		exit = func(code int) { assert.Equal(t, 0, code) }
-		stderr, stdout = ioutil.Discard, ioutil.Discard
 		os.Args = []string{"root", "version"}
 		main()
 	})
 
 	t.Run("failure", func(t *testing.T) {
 		exit = func(code int) { assert.Equal(t, 1, code) }
-		stderr, stdout = ioutil.Discard, ioutil.Discard
 		os.Args = []string{"root", "unknown"}
 		main()
 	})
 
+	t.Run("shutdown silent", func(t *testing.T) {
+		exit = func(code int) { assert.Equal(t, 2, code) }
+		safe.Do(func() error { return cli.Silent{Code: 2, Message: "silence"} }, shutdown)
+	})
+
 	t.Run("shutdown with panic", func(t *testing.T) {
 		exit = func(code int) { assert.Equal(t, 1, code) }
-		stderr, stdout = ioutil.Discard, ioutil.Discard
 		safe.Do(func() error { panic("test") }, shutdown)
 	})
 }