feat(os/rpm): allow building on macOS

Author: G-Rath

extractor/filesystem/os/rpm/rpm_linux.go renamed to extractor/filesystem/os/rpm/rpm.go

@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-//go:build linux
+//go:build !windows
 
 // Package rpm extracts packages from rpm database.
 package rpm
@@ -113,7 +113,9 @@ func (e Extractor) Name() string { return Name }
 func (e Extractor) Version() int { return 0 }
 
 // Requirements of the extractor.
-func (e Extractor) Requirements() *plugin.Capabilities { return &plugin.Capabilities{} }
+func (e Extractor) Requirements() *plugin.Capabilities {
+	return &plugin.Capabilities{}
+}
 
 // FileRequired returns true if the specified file matches rpm status file pattern.
 func (e Extractor) FileRequired(api filesystem.FileAPI) bool {

extractor/filesystem/os/rpm/rpm_dummy.go

@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-//go:build !linux
+//go:build windows
 
 // Package rpm extracts packages from rpm database.
 package rpm

extractor/filesystem/os/rpm/rpm_test.go

@@ -21,7 +21,6 @@ import (
 	"path"
 	"path/filepath"
 	"runtime"
-	"slices"
 	"sort"
 	"strings"
 	"testing"
@@ -44,7 +43,7 @@ import (
 
 func TestFileRequired(t *testing.T) {
 	// supported OSes
-	if !slices.Contains([]string{"linux"}, runtime.GOOS) {
+	if runtime.GOOS == "windows" {
 		t.Skipf("Test skipped, OS unsupported: %v", runtime.GOOS)
 	}
 
@@ -172,7 +171,7 @@ VARIANT="Container Image"`
 
 func TestExtract(t *testing.T) {
 	// supported OSes
-	if !slices.Contains([]string{"linux"}, runtime.GOOS) {
+	if runtime.GOOS == "windows" {
 		t.Skipf("Test skipped, OS unsupported: %v", runtime.GOOS)
 	}
 
@@ -566,7 +565,7 @@ func TestExtract(t *testing.T) {
 
 func TestExtract_VirtualFilesystem(t *testing.T) {
 	// supported OSes
-	if !slices.Contains([]string{"linux"}, runtime.GOOS) {
+	if runtime.GOOS == "windows" {
 		t.Skipf("Test skipped, OS unsupported: %v", runtime.GOOS)
 	}