clean printing

images/images.go

@@ -113,7 +113,7 @@ func download(r *dbImage) error {
 
 	bar := progressbar.DefaultBytes(
 		resp.ContentLength,
-		fmt.Sprintf("Downloading: %s ", r.URL),
+		"Downloading",
 	)
 	if _, err = io.Copy(io.MultiWriter(tmpFile, bar), resp.Body); err != nil {
 		return err

progress/progress.go

@@ -8,12 +8,20 @@ import (
 
 type StopFunc func()
 
-func Show(title string) StopFunc {
+func Immediate(msg ...string) {
+	var msgs string
+	for _, m := range msg {
+		msgs += m + " "
+	}
+	fmt.Printf("\r✔ %s\n", msgs)
+}
+
+func Show(msg string) StopFunc {
 	quit := make(chan bool, 1)
-	i, appendln := 0, false
+	i, isWritten := 0, false
 
 	bar := progressbar.NewOptions(-1,
-		progressbar.OptionSetDescription(title),
+		progressbar.OptionSetDescription(msg),
 		progressbar.OptionSpinnerType(11),
 	)
 
@@ -27,7 +35,7 @@ func Show(title string) StopFunc {
 				if i == 0 {
 					time.Sleep(1 * time.Second)
 				} else {
-					appendln = true
+					isWritten = true
 					_ = bar.Add(1)
 					time.Sleep(100 * time.Millisecond)
 				}
@@ -38,9 +46,8 @@ func Show(title string) StopFunc {
 
 	return func() {
 		quit <- true
-		if appendln {
-			fmt.Printf("\r✔ %s", title)
-			fmt.Println()
+		if isWritten {
+			fmt.Printf("\r✔ %s\n", msg)
 		}
 	}
 }

vms/create.go

@@ -8,6 +8,7 @@ import (
 	"github.com/mhewedy/vermin/command/ssh"
 	"github.com/mhewedy/vermin/db"
 	"github.com/mhewedy/vermin/images"
+	"github.com/mhewedy/vermin/progress"
 	"os"
 	"path/filepath"
 	"runtime"
@@ -65,7 +66,7 @@ func Create(imageName string, script string, cpus int, mem int) (string, error)
 }
 
 func setNetworkAdapter(vmName string) error {
-	fmt.Println("Setting bridged network adapter")
+	progress.Immediate("Setting bridged network adapter")
 	r, err := command.VBoxManage("list", "bridgedifs").Call()
 	if err != nil {
 		return err
@@ -110,7 +111,7 @@ func provision(vmName string, script string) error {
 }
 
 func start(vmName string) error {
-	fmt.Println("Starting", vmName)
+	progress.Immediate("Starting", vmName)
 	if _, err := command.VBoxManage("startvm", vmName, "--type", "headless").Call(); err != nil {
 		return err
 	}