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@@ -0,0 +1,144 @@
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+// Copyright 2022 Google Inc. All rights reserved.
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+//
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+// Licensed under the Apache License, Version 2.0 (the "License");
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+// you may not use this file except in compliance with the License.
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+// You may obtain a copy of the License at
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+//
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+// http://www.apache.org/licenses/LICENSE-2.0
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+//
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+// Unless required by applicable law or agreed to in writing, software
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+// distributed under the License is distributed on an "AS IS" BASIS,
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+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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+// See the License for the specific language governing permissions and
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+// limitations under the License.
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+
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+package main
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+
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+import (
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+ "flag"
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+ "fmt"
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+ "io/ioutil"
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+ "os"
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+ "strings"
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+
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+ "google.golang.org/protobuf/encoding/prototext"
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+ "google.golang.org/protobuf/proto"
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+
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+ "android/soong/compliance/license_metadata_proto"
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+ "android/soong/response"
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+)
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+
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+func newMultiString(flags *flag.FlagSet, name, usage string) *multiString {
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+ var f multiString
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+ flags.Var(&f, name, usage)
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+ return &f
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+}
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+
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+type multiString []string
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+
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+func (ms *multiString) String() string { return strings.Join(*ms, ", ") }
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+func (ms *multiString) Set(s string) error { *ms = append(*ms, s); return nil }
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+
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+func main() {
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+ var expandedArgs []string
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+ for _, arg := range os.Args[1:] {
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+ if strings.HasPrefix(arg, "@") {
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+ f, err := os.Open(strings.TrimPrefix(arg, "@"))
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+ if err != nil {
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+ fmt.Fprintln(os.Stderr, err.Error())
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+ os.Exit(1)
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+ }
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+
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+ respArgs, err := response.ReadRspFile(f)
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+ f.Close()
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+ if err != nil {
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+ fmt.Fprintln(os.Stderr, err.Error())
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+ os.Exit(1)
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+ }
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+ expandedArgs = append(expandedArgs, respArgs...)
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+ } else {
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+ expandedArgs = append(expandedArgs, arg)
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+ }
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+ }
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+
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+ flags := flag.NewFlagSet("flags", flag.ExitOnError)
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+
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+ installed := flags.String("i", "", "installed target")
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+ sources := newMultiString(flags, "s", "source (input) file")
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+ dep := flags.String("d", "", "license metadata file dependency")
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+ outFile := flags.String("o", "", "output file")
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+
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+ flags.Parse(expandedArgs)
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+
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+ if len(*dep) == 0 || len(*installed) == 0 || len(*sources) == 0 {
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+ flags.Usage()
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+ if len(*dep) == 0 {
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+ fmt.Fprintf(os.Stderr, "source license metadata (-d flag) required\n")
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+ }
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+ if len(*sources) == 0 {
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+ fmt.Fprintf(os.Stderr, "source copy (-s flag required\n")
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+ }
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+ if len(*installed) == 0 {
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+ fmt.Fprintf(os.Stderr, "installed copy (-i flag) required\n")
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+ }
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+ os.Exit(1)
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+ }
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+
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+ src_metadata := license_metadata_proto.LicenseMetadata{}
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+ err := readMetadata(*dep, &src_metadata)
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+ if err != nil {
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+ fmt.Fprintf(os.Stderr, "error: %s\n", err.Error())
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+ os.Exit(2)
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+ }
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+
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+ metadata := src_metadata
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+ metadata.Built = nil
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+ metadata.InstallMap = nil
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+ metadata.Installed = []string{*installed}
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+ metadata.Sources = *sources
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+ metadata.Deps = []*license_metadata_proto.AnnotatedDependency{&license_metadata_proto.AnnotatedDependency{
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+ File: proto.String(*dep),
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+ Annotations: []string{"static"},
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+ }}
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+
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+ err = writeMetadata(*outFile, &metadata)
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+ if err != nil {
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+ fmt.Fprintf(os.Stderr, "error: %s\n", err.Error())
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+ os.Exit(2)
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+ }
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+}
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+
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+func readMetadata(file string, metadata *license_metadata_proto.LicenseMetadata) error {
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+ if file == "" {
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+ return fmt.Errorf("source metadata file (-d) required")
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+ }
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+ buf, err := ioutil.ReadFile(file)
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+ if err != nil {
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+ return fmt.Errorf("error reading textproto %q: %w", file, err)
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+ }
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+
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+ err = prototext.Unmarshal(buf, metadata)
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+ if err != nil {
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+ return fmt.Errorf("error unmarshalling textproto: %w", err)
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+ }
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+
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+ return nil
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+}
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+
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+func writeMetadata(file string, metadata *license_metadata_proto.LicenseMetadata) error {
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+ buf, err := prototext.MarshalOptions{Multiline: true}.Marshal(metadata)
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+ if err != nil {
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+ return fmt.Errorf("error marshalling textproto: %w", err)
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+ }
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+
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+ if file != "" {
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+ err = ioutil.WriteFile(file, buf, 0666)
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+ if err != nil {
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+ return fmt.Errorf("error writing textproto %q: %w", file, err)
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+ }
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+ } else {
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+ _, _ = os.Stdout.Write(buf)
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+ }
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+
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+ return nil
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+}
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