blob: 63778a2ff1aff903afe13011fd79de325f3be8e3 [file] [log] [blame]
// Copyright 2020 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package build
import (
// PrebuiltBinaries represents a set of prebuilt binaries.
type PrebuiltBinaries struct {
// Name is the name of the set of prebuilt binaries.
Name string `json:"package_name"`
// DebugArchive is an optional pointer to an archive of debug binaries
// relating to the prebuilt package.
DebugArchive string `json:"debug_archive,omitempty"`
// Manifest is the path to a manifest of the associated debug binaries produced
// by the build and in the format of binaries.json.
Manifest string `json:"manifest"`
// Get returns the list of binaries in enumerated in the associated
// binary manifest.
// Returns os.ErrIsNotExist if the file does not exist.
func (pb *PrebuiltBinaries) Get(buildDir string) ([]Binary, error) {
if pb.Manifest == "" {
return nil, errors.New("no associated debug binary manifest")
exists, err := osmisc.FileExists(filepath.Join(buildDir, pb.Manifest))
if err != nil {
return nil, err
} else if !exists {
return nil, os.ErrNotExist
return loadBinaries(filepath.Join(buildDir, pb.Manifest))
// loadPrebuiltBinaries reads in the entries indexed in the given prebuilt package manifest.
func loadPrebuiltBinaries(manifest string) ([]PrebuiltBinaries, error) {
f, err := os.Open(manifest)
if err != nil {
return nil, fmt.Errorf("failed to open %s: %w", manifest, err)
defer f.Close()
var pkgs []PrebuiltBinaries
if err := json.NewDecoder(f).Decode(&pkgs); err != nil {
return nil, fmt.Errorf("failed to decode %s: %w", manifest, err)
return pkgs, nil