Support --quiet option

cmd/trivy/main.go

@@ -73,6 +73,10 @@ OPTIONS:
 			Name:  "clean, c",
 			Usage: "clean all cache",
 		},
+		cli.BoolFlag{
+			Name:  "quiet, q",
+			Usage: "suppress progress bar",
+		},
 		cli.BoolFlag{
 			Name:  "debug, d",
 			Usage: "debug mode",

pkg/git/git.go

@@ -4,9 +4,7 @@ import (
 	"os"
 	"path/filepath"
 	"strings"
-	"time"
 
-	"github.com/briandowns/spinner"
 	"github.com/knqyf263/trivy/pkg/log"
 	"github.com/knqyf263/trivy/pkg/utils"
 	"golang.org/x/xerrors"
@@ -38,8 +36,8 @@ func CloneOrPull(url, repoPath string) (map[string]struct{}, error) {
 		}
 		log.Logger.Debug("remove an existed directory")
 
-		s := spinner.New(spinner.CharSets[36], 100*time.Millisecond)
-		s.Suffix = " The first time will take a while..."
+		suffix := " The first time will take a while..."
+		s := utils.NewSpinner(suffix)
 		s.Start()
 		defer s.Stop()
 

pkg/run.go

@@ -36,6 +36,8 @@ func Run(c *cli.Context) (err error) {
 		cli.ShowAppHelpAndExit(c, 1)
 	}
 
+	utils.Quiet = c.Bool("quiet")
+
 	clean := c.Bool("clean")
 	if clean {
 		log.Logger.Info("Cleaning caches...")

pkg/utils/progress.go

@@ -0,0 +1,63 @@
+package utils
+
+import (
+	"time"
+
+	"github.com/briandowns/spinner"
+	pb "gopkg.in/cheggaaa/pb.v1"
+)
+
+var (
+	Quiet = false
+)
+
+type Spinner struct {
+	client *spinner.Spinner
+}
+
+func NewSpinner(suffix string) *Spinner {
+	if Quiet {
+		return &Spinner{}
+	}
+	s := spinner.New(spinner.CharSets[36], 100*time.Millisecond)
+	s.Suffix = suffix
+	return &Spinner{client: s}
+}
+
+func (s *Spinner) Start() {
+	if s.client == nil {
+		return
+	}
+	s.client.Start()
+}
+func (s *Spinner) Stop() {
+	if s.client == nil {
+		return
+	}
+	s.client.Stop()
+}
+
+type ProgressBar struct {
+	client *pb.ProgressBar
+}
+
+func PbStartNew(total int) *ProgressBar {
+	if Quiet {
+		return &ProgressBar{}
+	}
+	bar := pb.StartNew(total)
+	return &ProgressBar{client: bar}
+}
+
+func (p *ProgressBar) Increment() {
+	if p.client == nil {
+		return
+	}
+	p.client.Increment()
+}
+func (p *ProgressBar) Finish() {
+	if p.client == nil {
+		return
+	}
+	p.client.Finish()
+}

pkg/vulnsrc/alpine/alpine.go

@@ -3,7 +3,6 @@ package alpine
 import (
 	"encoding/json"
 	"fmt"
-	"gopkg.in/cheggaaa/pb.v1"
 	"io"
 	"path/filepath"
 
@@ -37,7 +36,7 @@ func Update(dir string, updatedFiles map[string]struct{}) error {
 	}
 	log.Logger.Debugf("Alpine updated files: %d", len(targets))
 
-	bar := pb.StartNew(len(targets))
+	bar := utils.PbStartNew(len(targets))
 	defer bar.Finish()
 
 	var cves []AlpineCVE

pkg/vulnsrc/debian-oval/debian-oval.go

@@ -3,7 +3,6 @@ package debianoval
 import (
 	"encoding/json"
 	"fmt"
-	"gopkg.in/cheggaaa/pb.v1"
 	"io"
 	"os"
 	"path/filepath"
@@ -39,7 +38,7 @@ func Update(dir string, updatedFiles map[string]struct{}) error {
 	}
 	log.Logger.Debugf("Debian OVAL updated files: %d", len(targets))
 
-	bar := pb.StartNew(len(targets))
+	bar := utils.PbStartNew(len(targets))
 	defer bar.Finish()
 
 	var cves []DebianOVAL

pkg/vulnsrc/debian/debian.go

@@ -3,7 +3,6 @@ package debian
 import (
 	"encoding/json"
 	"fmt"
-	"gopkg.in/cheggaaa/pb.v1"
 	"io"
 	"path/filepath"
 	"strings"
@@ -45,7 +44,7 @@ func Update(dir string, updatedFiles map[string]struct{}) error {
 	}
 	log.Logger.Debugf("Debian updated files: %d", len(targets))
 
-	bar := pb.StartNew(len(targets))
+	bar := utils.PbStartNew(len(targets))
 	defer bar.Finish()
 
 	var cves []DebianCVE

pkg/vulnsrc/nvd/nvd.go

@@ -2,7 +2,6 @@ package nvd
 
 import (
 	"encoding/json"
-	"gopkg.in/cheggaaa/pb.v1"
 	"io"
 	"path/filepath"
 
@@ -35,7 +34,7 @@ func Update(dir string, updatedFiles map[string]struct{}) error {
 	}
 	log.Logger.Debugf("NVD updated files: %d", len(targets))
 
-	bar := pb.StartNew(len(targets))
+	bar := utils.PbStartNew(len(targets))
 	defer bar.Finish()
 	var items []vulnerability.Item
 	err = utils.FileWalk(rootDir, targets, func(r io.Reader, _ string) error {

pkg/vulnsrc/redhat/redhat.go

@@ -3,7 +3,6 @@ package redhat
 import (
 	"encoding/json"
 	"fmt"
-	"gopkg.in/cheggaaa/pb.v1"
 	"io"
 	"io/ioutil"
 	"path/filepath"
@@ -41,7 +40,7 @@ func Update(dir string, updatedFiles map[string]struct{}) error {
 	}
 	log.Logger.Debugf("Red Hat updated files: %d", len(targets))
 
-	bar := pb.StartNew(len(targets))
+	bar := utils.PbStartNew(len(targets))
 	defer bar.Finish()
 
 	var cves []RedhatCVE

pkg/vulnsrc/ubuntu/ubuntu.go

@@ -3,7 +3,6 @@ package ubuntu
 import (
 	"encoding/json"
 	"fmt"
-	"gopkg.in/cheggaaa/pb.v1"
 	"io"
 	"path/filepath"
 
@@ -56,7 +55,7 @@ func Update(dir string, updatedFiles map[string]struct{}) error {
 	}
 	log.Logger.Debugf("Ubuntu OVAL updated files: %d", len(targets))
 
-	bar := pb.StartNew(len(targets))
+	bar := utils.PbStartNew(len(targets))
 	defer bar.Finish()
 
 	var cves []UbuntuCVE