Add support for searching for jars within archives (#734)

* add support for searching jars within archives

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

* add package cataloger config options

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

* address review comments + factor out safeCopy helper

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

* update config docs regarding package archive search options

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

* show that unindexed archive cataloging defaults to false

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

* remove lies about -s

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

* address review comments

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

* update search archive note about java

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

cmd/packages.go

@@ -17,6 +17,7 @@ import (
 	"github.com/anchore/syft/syft/artifact"
 	"github.com/anchore/syft/syft/event"
 	"github.com/anchore/syft/syft/format"
+	"github.com/anchore/syft/syft/pkg/cataloger"
 	"github.com/anchore/syft/syft/sbom"
 	"github.com/anchore/syft/syft/source"
 	"github.com/pkg/profile"
@@ -98,7 +99,7 @@ func setPackageFlags(flags *pflag.FlagSet) {
 	// Formatting & Input options //////////////////////////////////////////////
 
 	flags.StringP(
-		"scope", "s", source.SquashedScope.String(),
+		"scope", "s", cataloger.DefaultSearchConfig().Scope.String(),
 		fmt.Sprintf("selection of layers to catalog, options=%v", source.AllScopes))
 
 	flags.StringP(

cmd/tasks.go

@@ -45,7 +45,7 @@ func generateCatalogPackagesTask() (task, error) {
 	}
 
 	task := func(results *sbom.Artifacts, src *source.Source) ([]artifact.Relationship, error) {
-		packageCatalog, relationships, theDistro, err := syft.CatalogPackages(src, appConfig.Package.Cataloger.ScopeOpt)
+		packageCatalog, relationships, theDistro, err := syft.CatalogPackages(src, appConfig.Package.ToConfig())
 		if err != nil {
 			return nil, err
 		}