xref: /aosp_15_r20/external/bazelbuild-rules_android/src/tools/jdeps/print_jdeps.go (revision 9e965d6fece27a77de5377433c2f7e6999b8cc0b)
1// Copyright 2018 The Bazel Authors. All rights reserved.
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7//    http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15// print_jdeps is a command line tool to print a jdeps proto.
16package main
17
18import (
19	"flag"
20	"fmt"
21	"io/ioutil"
22	"log"
23
24	dpb "src/tools/jdeps/proto/deps_go_proto"
25	"google.golang.org/protobuf/proto"
26)
27
28var (
29	in = flag.String("in", "", "Path to input jdeps file")
30)
31
32func main() {
33	flag.Parse()
34	if *in == "" {
35		log.Fatal("Missing required flags... Must specify --in")
36	}
37
38	bytes, err := ioutil.ReadFile(*in)
39	if err != nil {
40		log.Fatalf("Error reading jdeps: %v", err)
41	}
42	jdeps := &dpb.Dependencies{}
43	if err = proto.Unmarshal(bytes, jdeps); err != nil {
44		log.Fatalf("Error parsing jdeps: %v", err)
45	}
46
47	for _, dep := range jdeps.Dependency {
48		fmt.Println(dep.GetPath())
49	}
50}
51