527 lines
21 KiB
Go
527 lines
21 KiB
Go
// Copyright (C) 2019 The Android Open Source Project
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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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package apex
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import (
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"fmt"
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"path/filepath"
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"runtime"
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"sort"
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"strings"
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"android/soong/android"
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"android/soong/java"
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"github.com/google/blueprint"
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"github.com/google/blueprint/proptools"
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)
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var (
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pctx = android.NewPackageContext("android/apex")
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)
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func init() {
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pctx.Import("android/soong/android")
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pctx.Import("android/soong/java")
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pctx.HostBinToolVariable("apexer", "apexer")
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// ART minimal builds (using the master-art manifest) do not have the "frameworks/base"
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// projects, and hence cannot built 'aapt2'. Use the SDK prebuilt instead.
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hostBinToolVariableWithPrebuilt := func(name, prebuiltDir, tool string) {
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pctx.VariableFunc(name, func(ctx android.PackageVarContext) string {
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if !ctx.Config().FrameworksBaseDirExists(ctx) {
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return filepath.Join(prebuiltDir, runtime.GOOS, "bin", tool)
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} else {
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return ctx.Config().HostToolPath(ctx, tool).String()
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}
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})
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}
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hostBinToolVariableWithPrebuilt("aapt2", "prebuilts/sdk/tools", "aapt2")
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pctx.HostBinToolVariable("avbtool", "avbtool")
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pctx.HostBinToolVariable("e2fsdroid", "e2fsdroid")
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pctx.HostBinToolVariable("merge_zips", "merge_zips")
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pctx.HostBinToolVariable("mke2fs", "mke2fs")
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pctx.HostBinToolVariable("resize2fs", "resize2fs")
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pctx.HostBinToolVariable("sefcontext_compile", "sefcontext_compile")
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pctx.HostBinToolVariable("soong_zip", "soong_zip")
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pctx.HostBinToolVariable("zip2zip", "zip2zip")
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pctx.HostBinToolVariable("zipalign", "zipalign")
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pctx.HostBinToolVariable("jsonmodify", "jsonmodify")
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pctx.HostBinToolVariable("conv_apex_manifest", "conv_apex_manifest")
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}
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var (
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// Create a canned fs config file where all files and directories are
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// by default set to (uid/gid/mode) = (1000/1000/0644)
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// TODO(b/113082813) make this configurable using config.fs syntax
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generateFsConfig = pctx.StaticRule("generateFsConfig", blueprint.RuleParams{
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Command: `echo '/ 1000 1000 0755' > ${out} && ` +
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`echo ${ro_paths} | tr ' ' '\n' | awk '{print "/"$$1 " 1000 1000 0644"}' >> ${out} && ` +
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`echo ${exec_paths} | tr ' ' '\n' | awk '{print "/"$$1 " 0 2000 0755"}' >> ${out}`,
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Description: "fs_config ${out}",
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}, "ro_paths", "exec_paths")
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apexManifestRule = pctx.StaticRule("apexManifestRule", blueprint.RuleParams{
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Command: `rm -f $out && ${jsonmodify} $in ` +
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`-a provideNativeLibs ${provideNativeLibs} ` +
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`-a requireNativeLibs ${requireNativeLibs} ` +
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`${opt} ` +
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`-o $out`,
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CommandDeps: []string{"${jsonmodify}"},
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Description: "prepare ${out}",
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}, "provideNativeLibs", "requireNativeLibs", "opt")
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stripApexManifestRule = pctx.StaticRule("stripApexManifestRule", blueprint.RuleParams{
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Command: `rm -f $out && ${conv_apex_manifest} strip $in -o $out`,
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CommandDeps: []string{"${conv_apex_manifest}"},
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Description: "strip ${in}=>${out}",
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})
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pbApexManifestRule = pctx.StaticRule("pbApexManifestRule", blueprint.RuleParams{
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Command: `rm -f $out && ${conv_apex_manifest} proto $in -o $out`,
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CommandDeps: []string{"${conv_apex_manifest}"},
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Description: "convert ${in}=>${out}",
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})
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// TODO(b/113233103): make sure that file_contexts is sane, i.e., validate
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// against the binary policy using sefcontext_compiler -p <policy>.
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// TODO(b/114327326): automate the generation of file_contexts
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apexRule = pctx.StaticRule("apexRule", blueprint.RuleParams{
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Command: `rm -rf ${image_dir} && mkdir -p ${image_dir} && ` +
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`(. ${out}.copy_commands) && ` +
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`APEXER_TOOL_PATH=${tool_path} ` +
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`${apexer} --force --manifest ${manifest} ` +
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`--manifest_json ${manifest_json} --manifest_json_full ${manifest_json_full} ` +
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`--file_contexts ${file_contexts} ` +
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`--canned_fs_config ${canned_fs_config} ` +
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`--payload_type image ` +
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`--key ${key} ${opt_flags} ${image_dir} ${out} `,
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CommandDeps: []string{"${apexer}", "${avbtool}", "${e2fsdroid}", "${merge_zips}",
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"${mke2fs}", "${resize2fs}", "${sefcontext_compile}",
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"${soong_zip}", "${zipalign}", "${aapt2}", "prebuilts/sdk/current/public/android.jar"},
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Rspfile: "${out}.copy_commands",
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RspfileContent: "${copy_commands}",
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Description: "APEX ${image_dir} => ${out}",
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}, "tool_path", "image_dir", "copy_commands", "file_contexts", "canned_fs_config", "key", "opt_flags",
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"manifest", "manifest_json", "manifest_json_full",
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)
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zipApexRule = pctx.StaticRule("zipApexRule", blueprint.RuleParams{
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Command: `rm -rf ${image_dir} && mkdir -p ${image_dir} && ` +
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`(. ${out}.copy_commands) && ` +
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`APEXER_TOOL_PATH=${tool_path} ` +
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`${apexer} --force --manifest ${manifest} --manifest_json_full ${manifest_json_full} ` +
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`--payload_type zip ` +
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`${image_dir} ${out} `,
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CommandDeps: []string{"${apexer}", "${merge_zips}", "${soong_zip}", "${zipalign}", "${aapt2}"},
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Rspfile: "${out}.copy_commands",
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RspfileContent: "${copy_commands}",
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Description: "ZipAPEX ${image_dir} => ${out}",
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}, "tool_path", "image_dir", "copy_commands", "manifest", "manifest_json_full")
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apexProtoConvertRule = pctx.AndroidStaticRule("apexProtoConvertRule",
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blueprint.RuleParams{
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Command: `${aapt2} convert --output-format proto $in -o $out`,
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CommandDeps: []string{"${aapt2}"},
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})
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apexBundleRule = pctx.StaticRule("apexBundleRule", blueprint.RuleParams{
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Command: `${zip2zip} -i $in -o $out ` +
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`apex_payload.img:apex/${abi}.img ` +
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`apex_manifest.json:root/apex_manifest.json ` +
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`AndroidManifest.xml:manifest/AndroidManifest.xml ` +
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`assets/NOTICE.html.gz:assets/NOTICE.html.gz`,
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CommandDeps: []string{"${zip2zip}"},
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Description: "app bundle",
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}, "abi")
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emitApexContentRule = pctx.StaticRule("emitApexContentRule", blueprint.RuleParams{
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Command: `rm -f ${out} && touch ${out} && (. ${out}.emit_commands)`,
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Rspfile: "${out}.emit_commands",
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RspfileContent: "${emit_commands}",
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Description: "Emit APEX image content",
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}, "emit_commands")
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diffApexContentRule = pctx.StaticRule("diffApexContentRule", blueprint.RuleParams{
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Command: `diff --unchanged-group-format='' \` +
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`--changed-group-format='%<' \` +
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`${image_content_file} ${whitelisted_files_file} || (` +
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`echo -e "New unexpected files were added to ${apex_module_name}." ` +
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` "To fix the build run following command:" && ` +
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`echo "system/apex/tools/update_whitelist.sh ${whitelisted_files_file} ${image_content_file}" && ` +
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`exit 1)`,
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Description: "Diff ${image_content_file} and ${whitelisted_files_file}",
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}, "image_content_file", "whitelisted_files_file", "apex_module_name")
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)
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func (a *apexBundle) buildManifest(ctx android.ModuleContext, provideNativeLibs, requireNativeLibs []string) {
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manifestSrc := android.PathForModuleSrc(ctx, proptools.StringDefault(a.properties.Manifest, "apex_manifest.json"))
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a.manifestJsonFullOut = android.PathForModuleOut(ctx, "apex_manifest_full.json")
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// put dependency({provide|require}NativeLibs) in apex_manifest.json
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provideNativeLibs = android.SortedUniqueStrings(provideNativeLibs)
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requireNativeLibs = android.SortedUniqueStrings(android.RemoveListFromList(requireNativeLibs, provideNativeLibs))
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// apex name can be overridden
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optCommands := []string{}
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if a.properties.Apex_name != nil {
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optCommands = append(optCommands, "-v name "+*a.properties.Apex_name)
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}
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ctx.Build(pctx, android.BuildParams{
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Rule: apexManifestRule,
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Input: manifestSrc,
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Output: a.manifestJsonFullOut,
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Args: map[string]string{
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"provideNativeLibs": strings.Join(provideNativeLibs, " "),
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"requireNativeLibs": strings.Join(requireNativeLibs, " "),
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"opt": strings.Join(optCommands, " "),
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},
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})
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// b/143654022 Q apexd can't understand newly added keys in apex_manifest.json
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// prepare stripped-down version so that APEX modules built from R+ can be installed to Q
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a.manifestJsonOut = android.PathForModuleOut(ctx, "apex_manifest.json")
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ctx.Build(pctx, android.BuildParams{
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Rule: stripApexManifestRule,
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Input: a.manifestJsonFullOut,
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Output: a.manifestJsonOut,
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})
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// from R+, protobuf binary format (.pb) is the standard format for apex_manifest
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a.manifestPbOut = android.PathForModuleOut(ctx, "apex_manifest.pb")
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ctx.Build(pctx, android.BuildParams{
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Rule: pbApexManifestRule,
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Input: a.manifestJsonFullOut,
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Output: a.manifestPbOut,
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})
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}
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func (a *apexBundle) buildNoticeFile(ctx android.ModuleContext, apexFileName string) android.OptionalPath {
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noticeFiles := []android.Path{}
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for _, f := range a.filesInfo {
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if f.module != nil {
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notice := f.module.NoticeFile()
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if notice.Valid() {
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noticeFiles = append(noticeFiles, notice.Path())
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}
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}
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}
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// append the notice file specified in the apex module itself
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if a.NoticeFile().Valid() {
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noticeFiles = append(noticeFiles, a.NoticeFile().Path())
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}
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if len(noticeFiles) == 0 {
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return android.OptionalPath{}
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}
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return android.BuildNoticeOutput(ctx, a.installDir, apexFileName, android.FirstUniquePaths(noticeFiles)).HtmlGzOutput
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}
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func (a *apexBundle) buildUnflattenedApex(ctx android.ModuleContext) {
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var abis []string
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for _, target := range ctx.MultiTargets() {
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if len(target.Arch.Abi) > 0 {
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abis = append(abis, target.Arch.Abi[0])
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}
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}
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abis = android.FirstUniqueStrings(abis)
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apexType := a.properties.ApexType
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suffix := apexType.suffix()
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unsignedOutputFile := android.PathForModuleOut(ctx, a.Name()+suffix+".unsigned")
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filesToCopy := []android.Path{}
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for _, f := range a.filesInfo {
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filesToCopy = append(filesToCopy, f.builtFile)
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}
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copyCommands := []string{}
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emitCommands := []string{}
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imageContentFile := android.PathForModuleOut(ctx, a.Name()+"-content.txt")
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emitCommands = append(emitCommands, "echo ./apex_manifest.json >> "+imageContentFile.String())
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for i, src := range filesToCopy {
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dest := filepath.Join(a.filesInfo[i].installDir, src.Base())
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emitCommands = append(emitCommands, "echo './"+dest+"' >> "+imageContentFile.String())
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dest_path := filepath.Join(android.PathForModuleOut(ctx, "image"+suffix).String(), dest)
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copyCommands = append(copyCommands, "mkdir -p "+filepath.Dir(dest_path))
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copyCommands = append(copyCommands, "cp "+src.String()+" "+dest_path)
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for _, sym := range a.filesInfo[i].symlinks {
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symlinkDest := filepath.Join(filepath.Dir(dest_path), sym)
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copyCommands = append(copyCommands, "ln -s "+filepath.Base(dest)+" "+symlinkDest)
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}
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}
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emitCommands = append(emitCommands, "sort -o "+imageContentFile.String()+" "+imageContentFile.String())
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implicitInputs := append(android.Paths(nil), filesToCopy...)
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implicitInputs = append(implicitInputs, a.manifestPbOut, a.manifestJsonFullOut, a.manifestJsonOut)
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if a.properties.Whitelisted_files != nil {
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ctx.Build(pctx, android.BuildParams{
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Rule: emitApexContentRule,
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Implicits: implicitInputs,
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Output: imageContentFile,
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Description: "emit apex image content",
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Args: map[string]string{
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"emit_commands": strings.Join(emitCommands, " && "),
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},
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})
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implicitInputs = append(implicitInputs, imageContentFile)
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whitelistedFilesFile := android.PathForModuleSrc(ctx, proptools.String(a.properties.Whitelisted_files))
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phonyOutput := android.PathForModuleOut(ctx, a.Name()+"-diff-phony-output")
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ctx.Build(pctx, android.BuildParams{
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Rule: diffApexContentRule,
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Implicits: implicitInputs,
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Output: phonyOutput,
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Description: "diff apex image content",
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Args: map[string]string{
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"whitelisted_files_file": whitelistedFilesFile.String(),
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"image_content_file": imageContentFile.String(),
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"apex_module_name": a.Name(),
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},
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})
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implicitInputs = append(implicitInputs, phonyOutput)
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}
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outHostBinDir := android.PathForOutput(ctx, "host", ctx.Config().PrebuiltOS(), "bin").String()
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prebuiltSdkToolsBinDir := filepath.Join("prebuilts", "sdk", "tools", runtime.GOOS, "bin")
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if apexType == imageApex {
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// files and dirs that will be created in APEX
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var readOnlyPaths = []string{"apex_manifest.json", "apex_manifest.pb"}
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var executablePaths []string // this also includes dirs
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for _, f := range a.filesInfo {
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pathInApex := filepath.Join(f.installDir, f.builtFile.Base())
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if f.installDir == "bin" || strings.HasPrefix(f.installDir, "bin/") {
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executablePaths = append(executablePaths, pathInApex)
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for _, s := range f.symlinks {
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executablePaths = append(executablePaths, filepath.Join(f.installDir, s))
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}
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} else {
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readOnlyPaths = append(readOnlyPaths, pathInApex)
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}
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dir := f.installDir
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for !android.InList(dir, executablePaths) && dir != "" {
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executablePaths = append(executablePaths, dir)
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dir, _ = filepath.Split(dir) // move up to the parent
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if len(dir) > 0 {
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// remove trailing slash
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dir = dir[:len(dir)-1]
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}
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}
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}
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sort.Strings(readOnlyPaths)
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sort.Strings(executablePaths)
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cannedFsConfig := android.PathForModuleOut(ctx, "canned_fs_config")
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ctx.Build(pctx, android.BuildParams{
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Rule: generateFsConfig,
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Output: cannedFsConfig,
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Description: "generate fs config",
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Args: map[string]string{
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"ro_paths": strings.Join(readOnlyPaths, " "),
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"exec_paths": strings.Join(executablePaths, " "),
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},
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})
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optFlags := []string{}
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// Additional implicit inputs.
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implicitInputs = append(implicitInputs, cannedFsConfig, a.fileContexts, a.private_key_file, a.public_key_file)
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optFlags = append(optFlags, "--pubkey "+a.public_key_file.String())
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manifestPackageName, overridden := ctx.DeviceConfig().OverrideManifestPackageNameFor(a.Name())
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if overridden {
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optFlags = append(optFlags, "--override_apk_package_name "+manifestPackageName)
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}
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if a.properties.AndroidManifest != nil {
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androidManifestFile := android.PathForModuleSrc(ctx, proptools.String(a.properties.AndroidManifest))
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implicitInputs = append(implicitInputs, androidManifestFile)
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optFlags = append(optFlags, "--android_manifest "+androidManifestFile.String())
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}
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targetSdkVersion := ctx.Config().DefaultAppTargetSdk()
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if targetSdkVersion == ctx.Config().PlatformSdkCodename() &&
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ctx.Config().UnbundledBuild() &&
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!ctx.Config().UnbundledBuildUsePrebuiltSdks() &&
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ctx.Config().IsEnvTrue("UNBUNDLED_BUILD_TARGET_SDK_WITH_API_FINGERPRINT") {
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apiFingerprint := java.ApiFingerprintPath(ctx)
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targetSdkVersion += fmt.Sprintf(".$$(cat %s)", apiFingerprint.String())
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implicitInputs = append(implicitInputs, apiFingerprint)
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}
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optFlags = append(optFlags, "--target_sdk_version "+targetSdkVersion)
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noticeFile := a.buildNoticeFile(ctx, a.Name()+suffix)
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if noticeFile.Valid() {
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// If there's a NOTICE file, embed it as an asset file in the APEX.
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implicitInputs = append(implicitInputs, noticeFile.Path())
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optFlags = append(optFlags, "--assets_dir "+filepath.Dir(noticeFile.String()))
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}
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if !ctx.Config().UnbundledBuild() && a.installable() {
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// Apexes which are supposed to be installed in builtin dirs(/system, etc)
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// don't need hashtree for activation. Therefore, by removing hashtree from
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// apex bundle (filesystem image in it, to be specific), we can save storage.
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optFlags = append(optFlags, "--no_hashtree")
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}
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if a.properties.Apex_name != nil {
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// If apex_name is set, apexer can skip checking if key name matches with apex name.
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// Note that apex_manifest is also mended.
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optFlags = append(optFlags, "--do_not_check_keyname")
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}
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ctx.Build(pctx, android.BuildParams{
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Rule: apexRule,
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Implicits: implicitInputs,
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Output: unsignedOutputFile,
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Description: "apex (" + apexType.name() + ")",
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Args: map[string]string{
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"tool_path": outHostBinDir + ":" + prebuiltSdkToolsBinDir,
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"image_dir": android.PathForModuleOut(ctx, "image"+suffix).String(),
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"copy_commands": strings.Join(copyCommands, " && "),
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"manifest_json_full": a.manifestJsonFullOut.String(),
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"manifest_json": a.manifestJsonOut.String(),
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"manifest": a.manifestPbOut.String(),
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"file_contexts": a.fileContexts.String(),
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"canned_fs_config": cannedFsConfig.String(),
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"key": a.private_key_file.String(),
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"opt_flags": strings.Join(optFlags, " "),
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},
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})
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apexProtoFile := android.PathForModuleOut(ctx, a.Name()+".pb"+suffix)
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bundleModuleFile := android.PathForModuleOut(ctx, a.Name()+suffix+"-base.zip")
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a.bundleModuleFile = bundleModuleFile
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ctx.Build(pctx, android.BuildParams{
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Rule: apexProtoConvertRule,
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Input: unsignedOutputFile,
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Output: apexProtoFile,
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Description: "apex proto convert",
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|
})
|
|
|
|
ctx.Build(pctx, android.BuildParams{
|
|
Rule: apexBundleRule,
|
|
Input: apexProtoFile,
|
|
Output: a.bundleModuleFile,
|
|
Description: "apex bundle module",
|
|
Args: map[string]string{
|
|
"abi": strings.Join(abis, "."),
|
|
},
|
|
})
|
|
} else {
|
|
ctx.Build(pctx, android.BuildParams{
|
|
Rule: zipApexRule,
|
|
Implicits: implicitInputs,
|
|
Output: unsignedOutputFile,
|
|
Description: "apex (" + apexType.name() + ")",
|
|
Args: map[string]string{
|
|
"tool_path": outHostBinDir + ":" + prebuiltSdkToolsBinDir,
|
|
"image_dir": android.PathForModuleOut(ctx, "image"+suffix).String(),
|
|
"copy_commands": strings.Join(copyCommands, " && "),
|
|
"manifest": a.manifestPbOut.String(),
|
|
"manifest_json_full": a.manifestJsonFullOut.String(),
|
|
},
|
|
})
|
|
}
|
|
|
|
a.outputFile = android.PathForModuleOut(ctx, a.Name()+suffix)
|
|
ctx.Build(pctx, android.BuildParams{
|
|
Rule: java.Signapk,
|
|
Description: "signapk",
|
|
Output: a.outputFile,
|
|
Input: unsignedOutputFile,
|
|
Implicits: []android.Path{
|
|
a.container_certificate_file,
|
|
a.container_private_key_file,
|
|
},
|
|
Args: map[string]string{
|
|
"certificates": a.container_certificate_file.String() + " " + a.container_private_key_file.String(),
|
|
"flags": "-a 4096", //alignment
|
|
},
|
|
})
|
|
|
|
// Install to $OUT/soong/{target,host}/.../apex
|
|
if a.installable() {
|
|
ctx.InstallFile(a.installDir, a.Name()+suffix, a.outputFile)
|
|
}
|
|
a.buildFilesInfo(ctx)
|
|
}
|
|
|
|
func (a *apexBundle) buildFlattenedApex(ctx android.ModuleContext) {
|
|
// Temporarily wrap the original `ctx` into a `flattenedApexContext` to have it
|
|
// reply true to `InstallBypassMake()` (thus making the call
|
|
// `android.PathForModuleInstall` below use `android.pathForInstallInMakeDir`
|
|
// instead of `android.PathForOutput`) to return the correct path to the flattened
|
|
// APEX (as its contents is installed by Make, not Soong).
|
|
factx := flattenedApexContext{ctx}
|
|
apexName := proptools.StringDefault(a.properties.Apex_name, ctx.ModuleName())
|
|
a.outputFile = android.PathForModuleInstall(&factx, "apex", apexName)
|
|
|
|
if a.installable() && a.GetOverriddenBy() == "" {
|
|
installPath := android.PathForModuleInstall(ctx, "apex", apexName)
|
|
devicePath := android.InstallPathToOnDevicePath(ctx, installPath)
|
|
addFlattenedFileContextsInfos(ctx, apexName+":"+devicePath+":"+a.fileContexts.String())
|
|
}
|
|
a.buildFilesInfo(ctx)
|
|
}
|
|
|
|
func (a *apexBundle) setCertificateAndPrivateKey(ctx android.ModuleContext) {
|
|
cert := String(a.properties.Certificate)
|
|
if cert != "" && android.SrcIsModule(cert) == "" {
|
|
defaultDir := ctx.Config().DefaultAppCertificateDir(ctx)
|
|
a.container_certificate_file = defaultDir.Join(ctx, cert+".x509.pem")
|
|
a.container_private_key_file = defaultDir.Join(ctx, cert+".pk8")
|
|
} else if cert == "" {
|
|
pem, key := ctx.Config().DefaultAppCertificate(ctx)
|
|
a.container_certificate_file = pem
|
|
a.container_private_key_file = key
|
|
}
|
|
}
|
|
|
|
func (a *apexBundle) buildFilesInfo(ctx android.ModuleContext) {
|
|
if a.installable() {
|
|
// For flattened APEX, do nothing but make sure that apex_manifest.json and apex_pubkey are also copied along
|
|
// with other ordinary files.
|
|
a.filesInfo = append(a.filesInfo, newApexFile(a.manifestJsonOut, "apex_manifest.json."+a.Name()+a.suffix, ".", etc, nil))
|
|
a.filesInfo = append(a.filesInfo, newApexFile(a.manifestPbOut, "apex_manifest.pb."+a.Name()+a.suffix, ".", etc, nil))
|
|
|
|
// rename to apex_pubkey
|
|
copiedPubkey := android.PathForModuleOut(ctx, "apex_pubkey")
|
|
ctx.Build(pctx, android.BuildParams{
|
|
Rule: android.Cp,
|
|
Input: a.public_key_file,
|
|
Output: copiedPubkey,
|
|
})
|
|
a.filesInfo = append(a.filesInfo, newApexFile(copiedPubkey, "apex_pubkey."+a.Name()+a.suffix, ".", etc, nil))
|
|
|
|
if a.properties.ApexType == flattenedApex {
|
|
apexName := proptools.StringDefault(a.properties.Apex_name, a.Name())
|
|
for _, fi := range a.filesInfo {
|
|
dir := filepath.Join("apex", apexName, fi.installDir)
|
|
target := ctx.InstallFile(android.PathForModuleInstall(ctx, dir), fi.builtFile.Base(), fi.builtFile)
|
|
for _, sym := range fi.symlinks {
|
|
ctx.InstallSymlink(android.PathForModuleInstall(ctx, dir), sym, target)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|