add extra RPM file record fields (user, group, flags)

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

syft/pkg/cataloger/rpmdb/parse_rpmdb.go

@@ -6,6 +6,8 @@ import (
 	"io/ioutil"
 	"os"
 
+	"github.com/anchore/syft/syft/file"
+
 	rpmdb "github.com/anchore/go-rpmdb/pkg"
 	"github.com/anchore/syft/internal"
 	"github.com/anchore/syft/internal/log"
@@ -79,10 +81,16 @@ func extractRpmdbFileRecords(resolver source.FilePathResolver, entry *rpmdb.Pack
 		//only persist RPMDB file records which exist in the image/directory, otherwise ignore them
 		if resolver.HasPath(record.Path) {
 			records = append(records, pkg.RpmdbFileRecord{
-				Path:   record.Path,
-				Mode:   pkg.RpmdbFileMode(record.Mode),
-				Size:   int(record.Size),
-				SHA256: record.SHA256,
+				Path: record.Path,
+				Mode: pkg.RpmdbFileMode(record.Mode),
+				Size: int(record.Size),
+				Digest: file.Digest{
+					Value:     record.Digest,
+					Algorithm: entry.DigestAlgorithm.String(),
+				},
+				UserName:  record.Username,
+				GroupName: record.Groupname,
+				Flags:     record.Flags.String(),
 			})
 		}
 	}

syft/pkg/cataloger/rpmdb/parse_rpmdb_test.go

@@ -5,6 +5,8 @@ import (
 	"os"
 	"testing"
 
+	"github.com/anchore/syft/syft/file"
+
 	"github.com/anchore/syft/syft/source"
 
 	"github.com/anchore/syft/syft/pkg"
@@ -105,10 +107,14 @@ func TestParseRpmDB(t *testing.T) {
 						Vendor:    "",
 						Files: []pkg.RpmdbFileRecord{
 							{
-								Path:   "/usr/local/bin/dive",
-								Mode:   33261,
-								Size:   12406784,
-								SHA256: "81d29f327ba23096b3c52ff6fe1c425641e618bc87b5c05ee377edc650afaa55",
+								Path: "/usr/local/bin/dive",
+								Mode: 33261,
+								Size: 12406784,
+								Digest: file.Digest{
+									Algorithm: "sha256",
+									Value:     "81d29f327ba23096b3c52ff6fe1c425641e618bc87b5c05ee377edc650afaa55",
+								},
+								// note: there is no username, groupname, or flags for this RPM
 							},
 						},
 					},