update linter + fix whitespace (#536)

Signed-off-by: Alex Goodman <alex.goodman@anchore.com>

internal/presenter/packages/model/spdx22/creation_info.go

@@ -10,7 +10,7 @@ type CreationInfo struct {
 	Created time.Time `json:"created"`
 	// Identify who (or what, in the case of a tool) created the SPDX file. If the SPDX file was created by an
 	// individual, indicate the person's name. If the SPDX file was created on behalf of a company or organization,
-	//indicate the entity name. If the SPDX file was created using a software tool, indicate the name and version
+	// indicate the entity name. If the SPDX file was created using a software tool, indicate the name and version
 	// for that tool. If multiple participants or tools were involved, use multiple instances of this field. Person
 	// name or organization name may be designated as “anonymous” if appropriate.
 	Creators []string `json:"creators"`

internal/presenter/packages/spdx_json_presenter.go

@@ -132,10 +132,10 @@ func newSPDXJsonElements(catalog *pkg.Catalog) ([]spdx22.Package, []spdx22.File,
 
 func cleanSPDXName(name string) string {
 	// remove # according to specification
-	name = strings.Replace(name, "#", "-", -1)
+	name = strings.ReplaceAll(name, "#", "-")
 
 	// remove : for url construction
-	name = strings.Replace(name, ":", "-", -1)
+	name = strings.ReplaceAll(name, ":", "-")
 
 	// clean relative pathing
 	return path.Clean(name)

internal/presenter/packages/text_presenter.go

@@ -32,7 +32,7 @@ func (pres *TextPresenter) Present(output io.Writer) error {
 
 	switch pres.srcMetadata.Scheme {
 	case source.DirectoryScheme:
-		fmt.Fprintln(w, fmt.Sprintf("[Path: %s]", pres.srcMetadata.Path))
+		fmt.Fprintf(w, "[Path: %s]\n", pres.srcMetadata.Path)
 	case source.ImageScheme:
 		fmt.Fprintln(w, "[Image]")
 
@@ -51,7 +51,7 @@ func (pres *TextPresenter) Present(output io.Writer) error {
 	// populate artifacts...
 	rows := 0
 	for _, p := range pres.catalog.Sorted() {
-		fmt.Fprintln(w, fmt.Sprintf("[%s]", p.Name))
+		fmt.Fprintf(w, "[%s]\n", p.Name)
 		fmt.Fprintln(w, " Version:\t", p.Version)
 		fmt.Fprintln(w, " Type:\t", string(p.Type))
 		fmt.Fprintln(w, " Found by:\t", p.FoundBy)

internal/spdxlicense/generate/generate_license_list.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"encoding/json"
+	"fmt"
 	"log"
 	"net/http"
 	"os"
@@ -49,14 +50,21 @@ type LicenseList struct {
 }
 
 func main() {
+	if err := run(); err != nil {
+		fmt.Println(err.Error())
+		os.Exit(1)
+	}
+}
+
+func run() error {
 	resp, err := http.Get(url)
 	if err != nil {
-		log.Fatalf("unable to get licenses list: %+v", err)
+		return fmt.Errorf("unable to get licenses list: %+v", err)
 	}
 
 	var result LicenseList
 	if err = json.NewDecoder(resp.Body).Decode(&result); err != nil {
-		log.Fatalf("unable to decode license list: %+v", err)
+		return fmt.Errorf("unable to decode license list: %+v", err)
 	}
 	defer func() {
 		if err := resp.Body.Close(); err != nil {
@@ -66,7 +74,7 @@ func main() {
 
 	f, err := os.Create(source)
 	if err != nil {
-		log.Fatalf("unable to create %q: %+v", source, err)
+		return fmt.Errorf("unable to create %q: %+v", source, err)
 	}
 	defer func() {
 		if err := f.Close(); err != nil {
@@ -89,8 +97,9 @@ func main() {
 	})
 
 	if err != nil {
-		log.Fatalf("unable to generate template: %+v", err)
+		return fmt.Errorf("unable to generate template: %+v", err)
 	}
+	return nil
 }
 
 // Parsing the provided SPDX license list necessitates a two pass approach.