Tool to create license metadata for copied target.
Bug: 213388645
Test: m copy_license_metadata
Test: m cts dist reportmissinglicenses
Change-Id: I75c196ceca221effb2d6c972e250f5d42854e42f
diff --git a/android/licenses.go b/android/licenses.go
index 81c557e..c47b3e6 100644
--- a/android/licenses.go
+++ b/android/licenses.go
@@ -331,6 +331,8 @@
func licensesMakeVarsProvider(ctx MakeVarsContext) {
ctx.Strict("BUILD_LICENSE_METADATA",
ctx.Config().HostToolPath(ctx, "build_license_metadata").String())
+ ctx.Strict("COPY_LICENSE_METADATA",
+ ctx.Config().HostToolPath(ctx, "copy_license_metadata").String())
ctx.Strict("HTMLNOTICE", ctx.Config().HostToolPath(ctx, "htmlnotice").String())
ctx.Strict("XMLNOTICE", ctx.Config().HostToolPath(ctx, "xmlnotice").String())
ctx.Strict("TEXTNOTICE", ctx.Config().HostToolPath(ctx, "textnotice").String())
diff --git a/compliance/copy_license_metadata/Android.bp b/compliance/copy_license_metadata/Android.bp
new file mode 100644
index 0000000..83019eb
--- /dev/null
+++ b/compliance/copy_license_metadata/Android.bp
@@ -0,0 +1,30 @@
+// Copyright 2022 Google Inc. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package {
+ default_applicable_licenses: ["Android-Apache-2.0"],
+}
+
+blueprint_go_binary {
+ name: "copy_license_metadata",
+ srcs: [
+ "copy_license_metadata.go",
+ ],
+ deps: [
+ "license_metadata_proto",
+ "golang-protobuf-proto",
+ "golang-protobuf-encoding-prototext",
+ "soong-response",
+ ],
+}
diff --git a/compliance/copy_license_metadata/copy_license_metadata.go b/compliance/copy_license_metadata/copy_license_metadata.go
new file mode 100644
index 0000000..36b9489
--- /dev/null
+++ b/compliance/copy_license_metadata/copy_license_metadata.go
@@ -0,0 +1,144 @@
+// Copyright 2022 Google Inc. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package main
+
+import (
+ "flag"
+ "fmt"
+ "io/ioutil"
+ "os"
+ "strings"
+
+ "google.golang.org/protobuf/encoding/prototext"
+ "google.golang.org/protobuf/proto"
+
+ "android/soong/compliance/license_metadata_proto"
+ "android/soong/response"
+)
+
+func newMultiString(flags *flag.FlagSet, name, usage string) *multiString {
+ var f multiString
+ flags.Var(&f, name, usage)
+ return &f
+}
+
+type multiString []string
+
+func (ms *multiString) String() string { return strings.Join(*ms, ", ") }
+func (ms *multiString) Set(s string) error { *ms = append(*ms, s); return nil }
+
+func main() {
+ var expandedArgs []string
+ for _, arg := range os.Args[1:] {
+ if strings.HasPrefix(arg, "@") {
+ f, err := os.Open(strings.TrimPrefix(arg, "@"))
+ if err != nil {
+ fmt.Fprintln(os.Stderr, err.Error())
+ os.Exit(1)
+ }
+
+ respArgs, err := response.ReadRspFile(f)
+ f.Close()
+ if err != nil {
+ fmt.Fprintln(os.Stderr, err.Error())
+ os.Exit(1)
+ }
+ expandedArgs = append(expandedArgs, respArgs...)
+ } else {
+ expandedArgs = append(expandedArgs, arg)
+ }
+ }
+
+ flags := flag.NewFlagSet("flags", flag.ExitOnError)
+
+ installed := flags.String("i", "", "installed target")
+ sources := newMultiString(flags, "s", "source (input) file")
+ dep := flags.String("d", "", "license metadata file dependency")
+ outFile := flags.String("o", "", "output file")
+
+ flags.Parse(expandedArgs)
+
+ if len(*dep) == 0 || len(*installed) == 0 || len(*sources) == 0 {
+ flags.Usage()
+ if len(*dep) == 0 {
+ fmt.Fprintf(os.Stderr, "source license metadata (-d flag) required\n")
+ }
+ if len(*sources) == 0 {
+ fmt.Fprintf(os.Stderr, "source copy (-s flag required\n")
+ }
+ if len(*installed) == 0 {
+ fmt.Fprintf(os.Stderr, "installed copy (-i flag) required\n")
+ }
+ os.Exit(1)
+ }
+
+ src_metadata := license_metadata_proto.LicenseMetadata{}
+ err := readMetadata(*dep, &src_metadata)
+ if err != nil {
+ fmt.Fprintf(os.Stderr, "error: %s\n", err.Error())
+ os.Exit(2)
+ }
+
+ metadata := src_metadata
+ metadata.Built = nil
+ metadata.InstallMap = nil
+ metadata.Installed = []string{*installed}
+ metadata.Sources = *sources
+ metadata.Deps = []*license_metadata_proto.AnnotatedDependency{&license_metadata_proto.AnnotatedDependency{
+ File: proto.String(*dep),
+ Annotations: []string{"static"},
+ }}
+
+ err = writeMetadata(*outFile, &metadata)
+ if err != nil {
+ fmt.Fprintf(os.Stderr, "error: %s\n", err.Error())
+ os.Exit(2)
+ }
+}
+
+func readMetadata(file string, metadata *license_metadata_proto.LicenseMetadata) error {
+ if file == "" {
+ return fmt.Errorf("source metadata file (-d) required")
+ }
+ buf, err := ioutil.ReadFile(file)
+ if err != nil {
+ return fmt.Errorf("error reading textproto %q: %w", file, err)
+ }
+
+ err = prototext.Unmarshal(buf, metadata)
+ if err != nil {
+ return fmt.Errorf("error unmarshalling textproto: %w", err)
+ }
+
+ return nil
+}
+
+func writeMetadata(file string, metadata *license_metadata_proto.LicenseMetadata) error {
+ buf, err := prototext.MarshalOptions{Multiline: true}.Marshal(metadata)
+ if err != nil {
+ return fmt.Errorf("error marshalling textproto: %w", err)
+ }
+
+ if file != "" {
+ err = ioutil.WriteFile(file, buf, 0666)
+ if err != nil {
+ return fmt.Errorf("error writing textproto %q: %w", file, err)
+ }
+ } else {
+ _, _ = os.Stdout.Write(buf)
+ }
+
+ return nil
+}