Fix lint

Author: wpjunior

tsuru/admin/platform.go

@@ -337,12 +337,12 @@ func (c PlatformInfo) Run(ctx *cmd.Context) error {
 		status = "enabled"
 	}
 	var buf bytes.Buffer
-	buf.WriteString(fmt.Sprintf("Name: %s\n", info.Platform.Name))
-	buf.WriteString(fmt.Sprintf("Status: %s\n", status))
-	buf.WriteString("Images:\n")
+	fmt.Fprintf(&buf, "Name:   %s\n", info.Platform.Name)
+	fmt.Fprintf(&buf, "Status: %s\n", status)
+	fmt.Fprintf(&buf, "Images:\n")
 	sort.Sort(sort.Reverse(sort.StringSlice(info.Images)))
 	for _, img := range info.Images {
-		buf.WriteString(fmt.Sprintf(" - %s\n", img))
+		fmt.Fprintf(&buf, " - %s\n", img)
 	}
 	ctx.Stdout.Write(buf.Bytes())
 	return nil

tsuru/admin/platform_test.go

@@ -557,7 +557,12 @@ func (s *S) TestPlatformInfoRun(c *check.C) {
 		Stderr: &stderr,
 		Args:   []string{name},
 	}
-	expectedMsg := "Name: teste\nStatus: enabled\nImages:\n - tsuru/teste:v2\n - tsuru/teste:v1\n"
+	expectedMsg := `Name:   teste
+Status: enabled
+Images:
+ - tsuru/teste:v2
+ - tsuru/teste:v1
+`
 	res := struct {
 		Platform appTypes.Platform
 		Images   []string

tsuru/client/apps.go

@@ -1153,7 +1153,7 @@ func renderServiceInstanceBindsForApps(w io.Writer, binds []bindTypes.ServiceIns
 			var sb strings.Builder
 			sb.WriteString(inst.Instance)
 			if inst.Plan != "" {
-				sb.WriteString(fmt.Sprintf(" (%s)", inst.Plan))
+				fmt.Fprintf(&sb, " (%s)", inst.Plan)
 			}
 
 			table.AddRow([]string{desc, sb.String()})
@@ -1210,7 +1210,7 @@ func renderServiceInstanceBinds(w io.Writer, binds []tsuru.AppServiceInstanceBin
 		for i, inst := range instancesByService[s] {
 			sb.WriteString(inst.Instance)
 			if inst.Plan != "" {
-				sb.WriteString(fmt.Sprintf(" (%s)", inst.Plan))
+				fmt.Fprintf(&sb, " (%s)", inst.Plan)
 			}
 
 			if i < len(instancesByService[s])-1 {

tsuru/client/auth.go

@@ -441,7 +441,7 @@ Tags: {{.Tags}}
 	}
 	if usersTable.Rows() > 0 {
 		buf.WriteString("\n")
-		buf.WriteString(fmt.Sprintf("Users: %d\n", usersTable.Rows()))
+		fmt.Fprintf(&buf, "Users: %d\n", usersTable.Rows())
 		buf.WriteString(usersTable.String())
 	}
 	poolsTable := tablecli.NewTable()
@@ -453,7 +453,7 @@ Tags: {{.Tags}}
 	}
 	if poolsTable.Rows() > 0 {
 		buf.WriteString("\n")
-		buf.WriteString(fmt.Sprintf("Pools: %d\n", poolsTable.Rows()))
+		fmt.Fprintf(&buf, "Pools: %d\n", poolsTable.Rows())
 		buf.WriteString(poolsTable.String())
 	}
 	appsTable := tablecli.NewTable()
@@ -486,7 +486,7 @@ Tags: {{.Tags}}
 	}
 	if appsTable.Rows() > 0 {
 		buf.WriteString("\n")
-		buf.WriteString(fmt.Sprintf("Applications: %d\n", appsTable.Rows()))
+		fmt.Fprintf(&buf, "Applications: %d\n", appsTable.Rows())
 		buf.WriteString(appsTable.String())
 	}