fix: os-packages missing-installed files

Signed-off-by: chenk <[email protected]>

pkg/fanal/applier/docker.go

@@ -114,19 +114,20 @@ func ApplyLayers(layers []types.BlobInfo) types.ArtifactDetail {
 				nestedMap.SetByString(key, sep, pkgInfo)
 				continue
 			}
+
 			if existPpkgInfo, ok := value.(types.PackageInfo); ok {
 				mapPkgs := lo.KeyBy(existPpkgInfo.Packages, func(pkg types.Package) string {
 					return pkg.ID
 				})
+
 				newPackages := make(types.Packages, 0)
-				for _, pkg := range pkgInfo.Packages {
-					if pkg, ok := mapPkgs[pkg.ID]; ok {
-						pkg.InstalledFiles = append(pkg.InstalledFiles, pkg.InstalledFiles...)
-						newPackages = append(newPackages, pkg)
-						continue
+				lo.ForEach(pkgInfo.Packages, func(pkg types.Package, _ int) {
+					if mPkg, ok := mapPkgs[pkg.ID]; ok {
+						pkg.InstalledFiles = lo.Uniq(append(pkg.InstalledFiles, mPkg.InstalledFiles...))
 					}
 					newPackages = append(newPackages, pkg)
-				}
+				})
+
 				nestedMap.SetByString(key, sep, types.PackageInfo{
 					FilePath: pkgInfo.FilePath,
 					Packages: newPackages,