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- // Copyright (C) 2019 The Android Open Source Project
- //
- // 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 apex
- import (
- "encoding/json"
- "fmt"
- "path/filepath"
- "runtime"
- "sort"
- "strconv"
- "strings"
- "android/soong/android"
- "android/soong/java"
- "github.com/google/blueprint"
- "github.com/google/blueprint/proptools"
- )
- var (
- pctx = android.NewPackageContext("android/apex")
- )
- func init() {
- pctx.Import("android/soong/android")
- pctx.Import("android/soong/cc/config")
- pctx.Import("android/soong/java")
- pctx.HostBinToolVariable("apexer", "apexer")
- // ART minimal builds (using the master-art manifest) do not have the "frameworks/base"
- // projects, and hence cannot build 'aapt2'. Use the SDK prebuilt instead.
- hostBinToolVariableWithPrebuilt := func(name, prebuiltDir, tool string) {
- pctx.VariableFunc(name, func(ctx android.PackageVarContext) string {
- if !ctx.Config().FrameworksBaseDirExists(ctx) {
- return filepath.Join(prebuiltDir, runtime.GOOS, "bin", tool)
- } else {
- return ctx.Config().HostToolPath(ctx, tool).String()
- }
- })
- }
- hostBinToolVariableWithPrebuilt("aapt2", "prebuilts/sdk/tools", "aapt2")
- pctx.HostBinToolVariable("avbtool", "avbtool")
- pctx.HostBinToolVariable("e2fsdroid", "e2fsdroid")
- pctx.HostBinToolVariable("merge_zips", "merge_zips")
- pctx.HostBinToolVariable("mke2fs", "mke2fs")
- pctx.HostBinToolVariable("resize2fs", "resize2fs")
- pctx.HostBinToolVariable("sefcontext_compile", "sefcontext_compile")
- pctx.HostBinToolVariable("soong_zip", "soong_zip")
- pctx.HostBinToolVariable("zip2zip", "zip2zip")
- pctx.HostBinToolVariable("zipalign", "zipalign")
- pctx.HostBinToolVariable("jsonmodify", "jsonmodify")
- pctx.HostBinToolVariable("conv_apex_manifest", "conv_apex_manifest")
- pctx.HostBinToolVariable("extract_apks", "extract_apks")
- pctx.HostBinToolVariable("make_f2fs", "make_f2fs")
- pctx.HostBinToolVariable("sload_f2fs", "sload_f2fs")
- pctx.HostBinToolVariable("make_erofs", "make_erofs")
- pctx.HostBinToolVariable("apex_compression_tool", "apex_compression_tool")
- pctx.HostBinToolVariable("dexdeps", "dexdeps")
- pctx.SourcePathVariable("genNdkUsedbyApexPath", "build/soong/scripts/gen_ndk_usedby_apex.sh")
- }
- var (
- apexManifestRule = pctx.StaticRule("apexManifestRule", blueprint.RuleParams{
- Command: `rm -f $out && ${jsonmodify} $in ` +
- `-a provideNativeLibs ${provideNativeLibs} ` +
- `-a requireNativeLibs ${requireNativeLibs} ` +
- `-se version 0 ${default_version} ` +
- `${opt} ` +
- `-o $out`,
- CommandDeps: []string{"${jsonmodify}"},
- Description: "prepare ${out}",
- }, "provideNativeLibs", "requireNativeLibs", "default_version", "opt")
- stripCommentsApexManifestRule = pctx.StaticRule("stripCommentsApexManifestRule", blueprint.RuleParams{
- Command: `sed '/^\s*\/\//d' $in > $out`,
- Description: "strip lines starting with // ${in}=>${out}",
- })
- stripApexManifestRule = pctx.StaticRule("stripApexManifestRule", blueprint.RuleParams{
- Command: `rm -f $out && ${conv_apex_manifest} strip $in -o $out`,
- CommandDeps: []string{"${conv_apex_manifest}"},
- Description: "strip ${in}=>${out}",
- })
- pbApexManifestRule = pctx.StaticRule("pbApexManifestRule", blueprint.RuleParams{
- Command: `rm -f $out && ${conv_apex_manifest} proto $in -o $out`,
- CommandDeps: []string{"${conv_apex_manifest}"},
- Description: "convert ${in}=>${out}",
- })
- // TODO(b/113233103): make sure that file_contexts is as expected, i.e., validate
- // against the binary policy using sefcontext_compiler -p <policy>.
- // TODO(b/114327326): automate the generation of file_contexts
- apexRule = pctx.StaticRule("apexRule", blueprint.RuleParams{
- Command: `rm -rf ${image_dir} && mkdir -p ${image_dir} && ` +
- `(. ${out}.copy_commands) && ` +
- `APEXER_TOOL_PATH=${tool_path} ` +
- `${apexer} --force --manifest ${manifest} ` +
- `--file_contexts ${file_contexts} ` +
- `--canned_fs_config ${canned_fs_config} ` +
- `--include_build_info ` +
- `--payload_type image ` +
- `--apex_version ${apex_version} ` +
- `--key ${key} ${opt_flags} ${image_dir} ${out} `,
- CommandDeps: []string{"${apexer}", "${avbtool}", "${e2fsdroid}", "${merge_zips}",
- "${mke2fs}", "${resize2fs}", "${sefcontext_compile}", "${make_f2fs}", "${sload_f2fs}", "${make_erofs}",
- "${soong_zip}", "${zipalign}", "${aapt2}", "prebuilts/sdk/current/public/android.jar"},
- Rspfile: "${out}.copy_commands",
- RspfileContent: "${copy_commands}",
- Description: "APEX ${image_dir} => ${out}",
- }, "tool_path", "image_dir", "copy_commands", "file_contexts", "canned_fs_config", "key", "opt_flags", "manifest", "payload_fs_type", "apex_version")
- zipApexRule = pctx.StaticRule("zipApexRule", blueprint.RuleParams{
- Command: `rm -rf ${image_dir} && mkdir -p ${image_dir} && ` +
- `(. ${out}.copy_commands) && ` +
- `APEXER_TOOL_PATH=${tool_path} ` +
- `${apexer} --force --manifest ${manifest} ` +
- `--payload_type zip ` +
- `--apex_version ${apex_version} ` +
- `${image_dir} ${out} `,
- CommandDeps: []string{"${apexer}", "${merge_zips}", "${soong_zip}", "${zipalign}", "${aapt2}"},
- Rspfile: "${out}.copy_commands",
- RspfileContent: "${copy_commands}",
- Description: "ZipAPEX ${image_dir} => ${out}",
- }, "tool_path", "image_dir", "copy_commands", "manifest", "apex_version")
- apexProtoConvertRule = pctx.AndroidStaticRule("apexProtoConvertRule",
- blueprint.RuleParams{
- Command: `${aapt2} convert --output-format proto $in -o $out`,
- CommandDeps: []string{"${aapt2}"},
- })
- apexBundleRule = pctx.StaticRule("apexBundleRule", blueprint.RuleParams{
- Command: `${zip2zip} -i $in -o $out.base ` +
- `apex_payload.img:apex/${abi}.img ` +
- `apex_build_info.pb:apex/${abi}.build_info.pb ` +
- `apex_manifest.json:root/apex_manifest.json ` +
- `apex_manifest.pb:root/apex_manifest.pb ` +
- `AndroidManifest.xml:manifest/AndroidManifest.xml ` +
- `assets/NOTICE.html.gz:assets/NOTICE.html.gz &&` +
- `${soong_zip} -o $out.config -C $$(dirname ${config}) -f ${config} && ` +
- `${merge_zips} $out $out.base $out.config`,
- CommandDeps: []string{"${zip2zip}", "${soong_zip}", "${merge_zips}"},
- Description: "app bundle",
- }, "abi", "config")
- emitApexContentRule = pctx.StaticRule("emitApexContentRule", blueprint.RuleParams{
- Command: `rm -f ${out} && touch ${out} && (. ${out}.emit_commands)`,
- Rspfile: "${out}.emit_commands",
- RspfileContent: "${emit_commands}",
- Description: "Emit APEX image content",
- }, "emit_commands")
- diffApexContentRule = pctx.StaticRule("diffApexContentRule", blueprint.RuleParams{
- Command: `diff --unchanged-group-format='' \` +
- `--changed-group-format='%<' \` +
- `${image_content_file} ${allowed_files_file} || (` +
- `echo -e "New unexpected files were added to ${apex_module_name}." ` +
- ` "To fix the build run following command:" && ` +
- `echo "system/apex/tools/update_allowed_list.sh ${allowed_files_file} ${image_content_file}" && ` +
- `exit 1); touch ${out}`,
- Description: "Diff ${image_content_file} and ${allowed_files_file}",
- }, "image_content_file", "allowed_files_file", "apex_module_name")
- generateAPIsUsedbyApexRule = pctx.StaticRule("generateAPIsUsedbyApexRule", blueprint.RuleParams{
- Command: "$genNdkUsedbyApexPath ${image_dir} ${readelf} ${out}",
- CommandDeps: []string{"${genNdkUsedbyApexPath}"},
- Description: "Generate symbol list used by Apex",
- }, "image_dir", "readelf")
- // Don't add more rules here. Consider using android.NewRuleBuilder instead.
- )
- // buildManifest creates buile rules to modify the input apex_manifest.json to add information
- // gathered by the build system such as provided/required native libraries. Two output files having
- // different formats are generated. a.manifestJsonOut is JSON format for Q devices, and
- // a.manifest.PbOut is protobuf format for R+ devices.
- // TODO(jiyong): make this to return paths instead of directly storing the paths to apexBundle
- func (a *apexBundle) buildManifest(ctx android.ModuleContext, provideNativeLibs, requireNativeLibs []string) {
- src := android.PathForModuleSrc(ctx, proptools.StringDefault(a.properties.Manifest, "apex_manifest.json"))
- // Put dependency({provide|require}NativeLibs) in apex_manifest.json
- provideNativeLibs = android.SortedUniqueStrings(provideNativeLibs)
- requireNativeLibs = android.SortedUniqueStrings(android.RemoveListFromList(requireNativeLibs, provideNativeLibs))
- // APEX name can be overridden
- optCommands := []string{}
- if a.properties.Apex_name != nil {
- optCommands = append(optCommands, "-v name "+*a.properties.Apex_name)
- }
- // Collect jniLibs. Notice that a.filesInfo is already sorted
- var jniLibs []string
- for _, fi := range a.filesInfo {
- if fi.isJniLib && !android.InList(fi.stem(), jniLibs) {
- jniLibs = append(jniLibs, fi.stem())
- }
- }
- if len(jniLibs) > 0 {
- optCommands = append(optCommands, "-a jniLibs "+strings.Join(jniLibs, " "))
- }
- manifestJsonCommentsStripped := android.PathForModuleOut(ctx, "apex_manifest_comments_stripped.json")
- ctx.Build(pctx, android.BuildParams{
- Rule: stripCommentsApexManifestRule,
- Input: src,
- Output: manifestJsonCommentsStripped,
- })
- manifestJsonFullOut := android.PathForModuleOut(ctx, "apex_manifest_full.json")
- ctx.Build(pctx, android.BuildParams{
- Rule: apexManifestRule,
- Input: manifestJsonCommentsStripped,
- Output: manifestJsonFullOut,
- Args: map[string]string{
- "provideNativeLibs": strings.Join(provideNativeLibs, " "),
- "requireNativeLibs": strings.Join(requireNativeLibs, " "),
- "default_version": defaultManifestVersion,
- "opt": strings.Join(optCommands, " "),
- },
- })
- // b/143654022 Q apexd can't understand newly added keys in apex_manifest.json prepare
- // stripped-down version so that APEX modules built from R+ can be installed to Q
- minSdkVersion := a.minSdkVersion(ctx)
- if minSdkVersion.EqualTo(android.SdkVersion_Android10) {
- a.manifestJsonOut = android.PathForModuleOut(ctx, "apex_manifest.json")
- ctx.Build(pctx, android.BuildParams{
- Rule: stripApexManifestRule,
- Input: manifestJsonFullOut,
- Output: a.manifestJsonOut,
- })
- }
- // From R+, protobuf binary format (.pb) is the standard format for apex_manifest
- a.manifestPbOut = android.PathForModuleOut(ctx, "apex_manifest.pb")
- ctx.Build(pctx, android.BuildParams{
- Rule: pbApexManifestRule,
- Input: manifestJsonFullOut,
- Output: a.manifestPbOut,
- })
- }
- // buildFileContexts create build rules to append an entry for apex_manifest.pb to the file_contexts
- // file for this APEX which is either from /systme/sepolicy/apex/<apexname>-file_contexts or from
- // the file_contexts property of this APEX. This is to make sure that the manifest file is correctly
- // labeled as system_file.
- func (a *apexBundle) buildFileContexts(ctx android.ModuleContext) android.OutputPath {
- var fileContexts android.Path
- var fileContextsDir string
- if a.properties.File_contexts == nil {
- fileContexts = android.PathForSource(ctx, "system/sepolicy/apex", ctx.ModuleName()+"-file_contexts")
- } else {
- if m, t := android.SrcIsModuleWithTag(*a.properties.File_contexts); m != "" {
- otherModule := android.GetModuleFromPathDep(ctx, m, t)
- fileContextsDir = ctx.OtherModuleDir(otherModule)
- }
- fileContexts = android.PathForModuleSrc(ctx, *a.properties.File_contexts)
- }
- if fileContextsDir == "" {
- fileContextsDir = filepath.Dir(fileContexts.String())
- }
- fileContextsDir += string(filepath.Separator)
- if a.Platform() {
- if !strings.HasPrefix(fileContextsDir, "system/sepolicy/") {
- ctx.PropertyErrorf("file_contexts", "should be under system/sepolicy, but found in %q", fileContextsDir)
- }
- }
- if !android.ExistentPathForSource(ctx, fileContexts.String()).Valid() {
- ctx.PropertyErrorf("file_contexts", "cannot find file_contexts file: %q", fileContexts.String())
- }
- output := android.PathForModuleOut(ctx, "file_contexts")
- rule := android.NewRuleBuilder(pctx, ctx)
- switch a.properties.ApexType {
- case imageApex:
- // remove old file
- rule.Command().Text("rm").FlagWithOutput("-f ", output)
- // copy file_contexts
- rule.Command().Text("cat").Input(fileContexts).Text(">>").Output(output)
- // new line
- rule.Command().Text("echo").Text(">>").Output(output)
- // force-label /apex_manifest.pb and / as system_file so that apexd can read them
- rule.Command().Text("echo").Flag("/apex_manifest\\\\.pb u:object_r:system_file:s0").Text(">>").Output(output)
- rule.Command().Text("echo").Flag("/ u:object_r:system_file:s0").Text(">>").Output(output)
- case flattenedApex:
- // For flattened apexes, install path should be prepended.
- // File_contexts file should be emiited to make via LOCAL_FILE_CONTEXTS
- // so that it can be merged into file_contexts.bin
- apexPath := android.InstallPathToOnDevicePath(ctx, a.installDir.Join(ctx, a.Name()))
- apexPath = strings.ReplaceAll(apexPath, ".", `\\.`)
- // remove old file
- rule.Command().Text("rm").FlagWithOutput("-f ", output)
- // copy file_contexts
- rule.Command().Text("awk").Text(`'/object_r/{printf("` + apexPath + `%s\n", $0)}'`).Input(fileContexts).Text(">").Output(output)
- // new line
- rule.Command().Text("echo").Text(">>").Output(output)
- // force-label /apex_manifest.pb and / as system_file so that apexd can read them
- rule.Command().Text("echo").Flag(apexPath + `/apex_manifest\\.pb u:object_r:system_file:s0`).Text(">>").Output(output)
- rule.Command().Text("echo").Flag(apexPath + "/ u:object_r:system_file:s0").Text(">>").Output(output)
- default:
- panic(fmt.Errorf("unsupported type %v", a.properties.ApexType))
- }
- rule.Build("file_contexts."+a.Name(), "Generate file_contexts")
- return output.OutputPath
- }
- // buildInstalledFilesFile creates a build rule for the installed-files.txt file where the list of
- // files included in this APEX is shown. The text file is dist'ed so that people can see what's
- // included in the APEX without actually downloading and extracting it.
- func (a *apexBundle) buildInstalledFilesFile(ctx android.ModuleContext, builtApex android.Path, imageDir android.Path) android.OutputPath {
- output := android.PathForModuleOut(ctx, "installed-files.txt")
- rule := android.NewRuleBuilder(pctx, ctx)
- rule.Command().
- Implicit(builtApex).
- Text("(cd " + imageDir.String() + " ; ").
- Text("find . \\( -type f -o -type l \\) -printf \"%s %p\\n\") ").
- Text(" | sort -nr > ").
- Output(output)
- rule.Build("installed-files."+a.Name(), "Installed files")
- return output.OutputPath
- }
- // buildBundleConfig creates a build rule for the bundle config file that will control the bundle
- // creation process.
- func (a *apexBundle) buildBundleConfig(ctx android.ModuleContext) android.OutputPath {
- output := android.PathForModuleOut(ctx, "bundle_config.json")
- type ApkConfig struct {
- Package_name string `json:"package_name"`
- Apk_path string `json:"path"`
- }
- config := struct {
- Compression struct {
- Uncompressed_glob []string `json:"uncompressed_glob"`
- } `json:"compression"`
- Apex_config struct {
- Apex_embedded_apk_config []ApkConfig `json:"apex_embedded_apk_config,omitempty"`
- } `json:"apex_config,omitempty"`
- }{}
- config.Compression.Uncompressed_glob = []string{
- "apex_payload.img",
- "apex_manifest.*",
- }
- // Collect the manifest names and paths of android apps if their manifest names are
- // overridden.
- for _, fi := range a.filesInfo {
- if fi.class != app && fi.class != appSet {
- continue
- }
- packageName := fi.overriddenPackageName
- if packageName != "" {
- config.Apex_config.Apex_embedded_apk_config = append(
- config.Apex_config.Apex_embedded_apk_config,
- ApkConfig{
- Package_name: packageName,
- Apk_path: fi.path(),
- })
- }
- }
- j, err := json.Marshal(config)
- if err != nil {
- panic(fmt.Errorf("error while marshalling to %q: %#v", output, err))
- }
- android.WriteFileRule(ctx, output, string(j))
- return output.OutputPath
- }
- func markManifestTestOnly(ctx android.ModuleContext, androidManifestFile android.Path) android.Path {
- return java.ManifestFixer(ctx, androidManifestFile, java.ManifestFixerParams{
- TestOnly: true,
- })
- }
- // buildUnflattendApex creates build rules to build an APEX using apexer.
- func (a *apexBundle) buildUnflattenedApex(ctx android.ModuleContext) {
- apexType := a.properties.ApexType
- suffix := apexType.suffix()
- apexName := proptools.StringDefault(a.properties.Apex_name, a.BaseModuleName())
- ////////////////////////////////////////////////////////////////////////////////////////////
- // Step 1: copy built files to appropriate directories under the image directory
- imageDir := android.PathForModuleOut(ctx, "image"+suffix)
- installSymbolFiles := (!ctx.Config().KatiEnabled() || a.ExportedToMake()) && a.installable()
- // b/140136207. When there are overriding APEXes for a VNDK APEX, the symbols file for the overridden
- // APEX and the overriding APEX will have the same installation paths at /apex/com.android.vndk.v<ver>
- // as their apexName will be the same. To avoid the path conflicts, skip installing the symbol files
- // for the overriding VNDK APEXes.
- if a.vndkApex && len(a.overridableProperties.Overrides) > 0 {
- installSymbolFiles = false
- }
- // Avoid creating duplicate build rules for multi-installed APEXes.
- if proptools.BoolDefault(a.properties.Multi_install_skip_symbol_files, false) {
- installSymbolFiles = false
- }
- // set of dependency module:location mappings
- installMapSet := make(map[string]bool)
- // TODO(jiyong): use the RuleBuilder
- var copyCommands []string
- var implicitInputs []android.Path
- pathWhenActivated := android.PathForModuleInPartitionInstall(ctx, "apex", apexName)
- for _, fi := range a.filesInfo {
- destPath := imageDir.Join(ctx, fi.path()).String()
- // Prepare the destination path
- destPathDir := filepath.Dir(destPath)
- if fi.class == appSet {
- copyCommands = append(copyCommands, "rm -rf "+destPathDir)
- }
- copyCommands = append(copyCommands, "mkdir -p "+destPathDir)
- installMapPath := fi.builtFile
- // Copy the built file to the directory. But if the symlink optimization is turned
- // on, place a symlink to the corresponding file in /system partition instead.
- if a.linkToSystemLib && fi.transitiveDep && fi.availableToPlatform() {
- // TODO(jiyong): pathOnDevice should come from fi.module, not being calculated here
- pathOnDevice := filepath.Join("/system", fi.path())
- copyCommands = append(copyCommands, "ln -sfn "+pathOnDevice+" "+destPath)
- } else {
- var installedPath android.InstallPath
- if fi.class == appSet {
- copyCommands = append(copyCommands,
- fmt.Sprintf("unzip -qDD -d %s %s", destPathDir,
- fi.module.(*java.AndroidAppSet).PackedAdditionalOutputs().String()))
- if installSymbolFiles {
- installedPath = ctx.InstallFileWithExtraFilesZip(pathWhenActivated.Join(ctx, fi.installDir),
- fi.stem(), fi.builtFile, fi.module.(*java.AndroidAppSet).PackedAdditionalOutputs())
- }
- } else {
- copyCommands = append(copyCommands, "cp -f "+fi.builtFile.String()+" "+destPath)
- if installSymbolFiles {
- installedPath = ctx.InstallFile(pathWhenActivated.Join(ctx, fi.installDir), fi.stem(), fi.builtFile)
- }
- }
- implicitInputs = append(implicitInputs, fi.builtFile)
- if installSymbolFiles {
- implicitInputs = append(implicitInputs, installedPath)
- }
- // Create additional symlinks pointing the file inside the APEX (if any). Note that
- // this is independent from the symlink optimization.
- for _, symlinkPath := range fi.symlinkPaths() {
- symlinkDest := imageDir.Join(ctx, symlinkPath).String()
- copyCommands = append(copyCommands, "ln -sfn "+filepath.Base(destPath)+" "+symlinkDest)
- if installSymbolFiles {
- installedSymlink := ctx.InstallSymlink(pathWhenActivated.Join(ctx, filepath.Dir(symlinkPath)), filepath.Base(symlinkPath), installedPath)
- implicitInputs = append(implicitInputs, installedSymlink)
- }
- }
- installMapPath = installedPath
- }
- // Copy the test files (if any)
- for _, d := range fi.dataPaths {
- // TODO(eakammer): This is now the third repetition of ~this logic for test paths, refactoring should be possible
- relPath := d.SrcPath.Rel()
- dataPath := d.SrcPath.String()
- if !strings.HasSuffix(dataPath, relPath) {
- panic(fmt.Errorf("path %q does not end with %q", dataPath, relPath))
- }
- dataDest := imageDir.Join(ctx, fi.apexRelativePath(relPath), d.RelativeInstallPath).String()
- copyCommands = append(copyCommands, "cp -f "+d.SrcPath.String()+" "+dataDest)
- implicitInputs = append(implicitInputs, d.SrcPath)
- }
- installMapSet[installMapPath.String()+":"+fi.installDir+"/"+fi.builtFile.Base()] = true
- }
- implicitInputs = append(implicitInputs, a.manifestPbOut)
- if installSymbolFiles {
- installedManifest := ctx.InstallFile(pathWhenActivated, "apex_manifest.pb", a.manifestPbOut)
- installedKey := ctx.InstallFile(pathWhenActivated, "apex_pubkey", a.publicKeyFile)
- implicitInputs = append(implicitInputs, installedManifest, installedKey)
- }
- if len(installMapSet) > 0 {
- var installs []string
- installs = append(installs, android.SortedStringKeys(installMapSet)...)
- a.SetLicenseInstallMap(installs)
- }
- ////////////////////////////////////////////////////////////////////////////////////////////
- // Step 1.a: Write the list of files in this APEX to a txt file and compare it against
- // the allowed list given via the allowed_files property. Build fails when the two lists
- // differ.
- //
- // TODO(jiyong): consider removing this. Nobody other than com.android.apex.cts.shim.* seems
- // to be using this at this moment. Furthermore, this looks very similar to what
- // buildInstalledFilesFile does. At least, move this to somewhere else so that this doesn't
- // hurt readability.
- // TODO(jiyong): use RuleBuilder
- if a.overridableProperties.Allowed_files != nil {
- // Build content.txt
- var emitCommands []string
- imageContentFile := android.PathForModuleOut(ctx, "content.txt")
- emitCommands = append(emitCommands, "echo ./apex_manifest.pb >> "+imageContentFile.String())
- minSdkVersion := a.minSdkVersion(ctx)
- if minSdkVersion.EqualTo(android.SdkVersion_Android10) {
- emitCommands = append(emitCommands, "echo ./apex_manifest.json >> "+imageContentFile.String())
- }
- for _, fi := range a.filesInfo {
- emitCommands = append(emitCommands, "echo './"+fi.path()+"' >> "+imageContentFile.String())
- }
- emitCommands = append(emitCommands, "sort -o "+imageContentFile.String()+" "+imageContentFile.String())
- ctx.Build(pctx, android.BuildParams{
- Rule: emitApexContentRule,
- Implicits: implicitInputs,
- Output: imageContentFile,
- Description: "emit apex image content",
- Args: map[string]string{
- "emit_commands": strings.Join(emitCommands, " && "),
- },
- })
- implicitInputs = append(implicitInputs, imageContentFile)
- // Compare content.txt against allowed_files.
- allowedFilesFile := android.PathForModuleSrc(ctx, proptools.String(a.overridableProperties.Allowed_files))
- phonyOutput := android.PathForModuleOut(ctx, a.Name()+"-diff-phony-output")
- ctx.Build(pctx, android.BuildParams{
- Rule: diffApexContentRule,
- Implicits: implicitInputs,
- Output: phonyOutput,
- Description: "diff apex image content",
- Args: map[string]string{
- "allowed_files_file": allowedFilesFile.String(),
- "image_content_file": imageContentFile.String(),
- "apex_module_name": a.Name(),
- },
- })
- implicitInputs = append(implicitInputs, phonyOutput)
- }
- unsignedOutputFile := android.PathForModuleOut(ctx, a.Name()+suffix+".unsigned")
- outHostBinDir := ctx.Config().HostToolPath(ctx, "").String()
- prebuiltSdkToolsBinDir := filepath.Join("prebuilts", "sdk", "tools", runtime.GOOS, "bin")
- // Figure out if we need to compress the apex.
- compressionEnabled := ctx.Config().CompressedApex() && proptools.BoolDefault(a.overridableProperties.Compressible, false) && !a.testApex && !ctx.Config().UnbundledBuildApps()
- if apexType == imageApex {
- ////////////////////////////////////////////////////////////////////////////////////
- // Step 2: create canned_fs_config which encodes filemode,uid,gid of each files
- // in this APEX. The file will be used by apexer in later steps.
- cannedFsConfig := a.buildCannedFsConfig(ctx)
- implicitInputs = append(implicitInputs, cannedFsConfig)
- ////////////////////////////////////////////////////////////////////////////////////
- // Step 3: Prepare option flags for apexer and invoke it to create an unsigned APEX.
- // TODO(jiyong): use the RuleBuilder
- optFlags := []string{}
- fileContexts := a.buildFileContexts(ctx)
- implicitInputs = append(implicitInputs, fileContexts)
- implicitInputs = append(implicitInputs, a.privateKeyFile, a.publicKeyFile)
- optFlags = append(optFlags, "--pubkey "+a.publicKeyFile.String())
- manifestPackageName := a.getOverrideManifestPackageName(ctx)
- if manifestPackageName != "" {
- optFlags = append(optFlags, "--override_apk_package_name "+manifestPackageName)
- }
- if a.properties.AndroidManifest != nil {
- androidManifestFile := android.PathForModuleSrc(ctx, proptools.String(a.properties.AndroidManifest))
- if a.testApex {
- androidManifestFile = markManifestTestOnly(ctx, androidManifestFile)
- }
- implicitInputs = append(implicitInputs, androidManifestFile)
- optFlags = append(optFlags, "--android_manifest "+androidManifestFile.String())
- } else if a.testApex {
- optFlags = append(optFlags, "--test_only")
- }
- // Determine target/min sdk version from the context
- // TODO(jiyong): make this as a function
- moduleMinSdkVersion := a.minSdkVersion(ctx)
- minSdkVersion := moduleMinSdkVersion.String()
- // bundletool doesn't understand what "current" is. We need to transform it to
- // codename
- if moduleMinSdkVersion.IsCurrent() || moduleMinSdkVersion.IsNone() {
- minSdkVersion = ctx.Config().DefaultAppTargetSdk(ctx).String()
- if java.UseApiFingerprint(ctx) {
- minSdkVersion = ctx.Config().PlatformSdkCodename() + fmt.Sprintf(".$$(cat %s)", java.ApiFingerprintPath(ctx).String())
- implicitInputs = append(implicitInputs, java.ApiFingerprintPath(ctx))
- }
- }
- // apex module doesn't have a concept of target_sdk_version, hence for the time
- // being targetSdkVersion == default targetSdkVersion of the branch.
- targetSdkVersion := strconv.Itoa(ctx.Config().DefaultAppTargetSdk(ctx).FinalOrFutureInt())
- if java.UseApiFingerprint(ctx) {
- targetSdkVersion = ctx.Config().PlatformSdkCodename() + fmt.Sprintf(".$$(cat %s)", java.ApiFingerprintPath(ctx).String())
- implicitInputs = append(implicitInputs, java.ApiFingerprintPath(ctx))
- }
- optFlags = append(optFlags, "--target_sdk_version "+targetSdkVersion)
- optFlags = append(optFlags, "--min_sdk_version "+minSdkVersion)
- if a.overridableProperties.Logging_parent != "" {
- optFlags = append(optFlags, "--logging_parent ", a.overridableProperties.Logging_parent)
- }
- // Create a NOTICE file, and embed it as an asset file in the APEX.
- a.htmlGzNotice = android.PathForModuleOut(ctx, "NOTICE.html.gz")
- android.BuildNoticeHtmlOutputFromLicenseMetadata(
- ctx, a.htmlGzNotice, "", "",
- []string{
- android.PathForModuleInstall(ctx).String() + "/",
- android.PathForModuleInPartitionInstall(ctx, "apex").String() + "/",
- })
- noticeAssetPath := android.PathForModuleOut(ctx, "NOTICE", "NOTICE.html.gz")
- builder := android.NewRuleBuilder(pctx, ctx)
- builder.Command().Text("cp").
- Input(a.htmlGzNotice).
- Output(noticeAssetPath)
- builder.Build("notice_dir", "Building notice dir")
- implicitInputs = append(implicitInputs, noticeAssetPath)
- optFlags = append(optFlags, "--assets_dir "+filepath.Dir(noticeAssetPath.String()))
- if (moduleMinSdkVersion.GreaterThan(android.SdkVersion_Android10) && !a.shouldGenerateHashtree()) && !compressionEnabled {
- // Apexes which are supposed to be installed in builtin dirs(/system, etc)
- // don't need hashtree for activation. Therefore, by removing hashtree from
- // apex bundle (filesystem image in it, to be specific), we can save storage.
- optFlags = append(optFlags, "--no_hashtree")
- }
- if a.testOnlyShouldSkipPayloadSign() {
- optFlags = append(optFlags, "--unsigned_payload")
- }
- if a.properties.Apex_name != nil {
- // If apex_name is set, apexer can skip checking if key name matches with
- // apex name. Note that apex_manifest is also mended.
- optFlags = append(optFlags, "--do_not_check_keyname")
- }
- if moduleMinSdkVersion == android.SdkVersion_Android10 {
- implicitInputs = append(implicitInputs, a.manifestJsonOut)
- optFlags = append(optFlags, "--manifest_json "+a.manifestJsonOut.String())
- }
- optFlags = append(optFlags, "--payload_fs_type "+a.payloadFsType.string())
- ctx.Build(pctx, android.BuildParams{
- Rule: apexRule,
- Implicits: implicitInputs,
- Output: unsignedOutputFile,
- Description: "apex (" + apexType.name() + ")",
- Args: map[string]string{
- "tool_path": outHostBinDir + ":" + prebuiltSdkToolsBinDir,
- "image_dir": imageDir.String(),
- "copy_commands": strings.Join(copyCommands, " && "),
- "manifest": a.manifestPbOut.String(),
- "file_contexts": fileContexts.String(),
- "canned_fs_config": cannedFsConfig.String(),
- "key": a.privateKeyFile.String(),
- "apex_version": defaultManifestVersion,
- "opt_flags": strings.Join(optFlags, " "),
- },
- })
- // TODO(jiyong): make the two rules below as separate functions
- apexProtoFile := android.PathForModuleOut(ctx, a.Name()+".pb"+suffix)
- bundleModuleFile := android.PathForModuleOut(ctx, a.Name()+suffix+"-base.zip")
- a.bundleModuleFile = bundleModuleFile
- ctx.Build(pctx, android.BuildParams{
- Rule: apexProtoConvertRule,
- Input: unsignedOutputFile,
- Output: apexProtoFile,
- Description: "apex proto convert",
- })
- implicitInputs = append(implicitInputs, unsignedOutputFile)
- // Run coverage analysis
- apisUsedbyOutputFile := android.PathForModuleOut(ctx, a.Name()+"_using.txt")
- ctx.Build(pctx, android.BuildParams{
- Rule: generateAPIsUsedbyApexRule,
- Implicits: implicitInputs,
- Description: "coverage",
- Output: apisUsedbyOutputFile,
- Args: map[string]string{
- "image_dir": imageDir.String(),
- "readelf": "${config.ClangBin}/llvm-readelf",
- },
- })
- a.nativeApisUsedByModuleFile = apisUsedbyOutputFile
- var nativeLibNames []string
- for _, f := range a.filesInfo {
- if f.class == nativeSharedLib {
- nativeLibNames = append(nativeLibNames, f.stem())
- }
- }
- apisBackedbyOutputFile := android.PathForModuleOut(ctx, a.Name()+"_backing.txt")
- rule := android.NewRuleBuilder(pctx, ctx)
- rule.Command().
- Tool(android.PathForSource(ctx, "build/soong/scripts/gen_ndk_backedby_apex.sh")).
- Output(apisBackedbyOutputFile).
- Flags(nativeLibNames)
- rule.Build("ndk_backedby_list", "Generate API libraries backed by Apex")
- a.nativeApisBackedByModuleFile = apisBackedbyOutputFile
- var javaLibOrApkPath []android.Path
- for _, f := range a.filesInfo {
- if f.class == javaSharedLib || f.class == app {
- javaLibOrApkPath = append(javaLibOrApkPath, f.builtFile)
- }
- }
- javaApiUsedbyOutputFile := android.PathForModuleOut(ctx, a.Name()+"_using.xml")
- javaUsedByRule := android.NewRuleBuilder(pctx, ctx)
- javaUsedByRule.Command().
- Tool(android.PathForSource(ctx, "build/soong/scripts/gen_java_usedby_apex.sh")).
- BuiltTool("dexdeps").
- Output(javaApiUsedbyOutputFile).
- Inputs(javaLibOrApkPath)
- javaUsedByRule.Build("java_usedby_list", "Generate Java APIs used by Apex")
- a.javaApisUsedByModuleFile = javaApiUsedbyOutputFile
- bundleConfig := a.buildBundleConfig(ctx)
- var abis []string
- for _, target := range ctx.MultiTargets() {
- if len(target.Arch.Abi) > 0 {
- abis = append(abis, target.Arch.Abi[0])
- }
- }
- abis = android.FirstUniqueStrings(abis)
- ctx.Build(pctx, android.BuildParams{
- Rule: apexBundleRule,
- Input: apexProtoFile,
- Implicit: bundleConfig,
- Output: a.bundleModuleFile,
- Description: "apex bundle module",
- Args: map[string]string{
- "abi": strings.Join(abis, "."),
- "config": bundleConfig.String(),
- },
- })
- } else { // zipApex
- 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": imageDir.String(),
- "copy_commands": strings.Join(copyCommands, " && "),
- "manifest": a.manifestPbOut.String(),
- "apex_version": defaultManifestVersion,
- },
- })
- }
- ////////////////////////////////////////////////////////////////////////////////////
- // Step 4: Sign the APEX using signapk
- signedOutputFile := android.PathForModuleOut(ctx, a.Name()+suffix)
- pem, key := a.getCertificateAndPrivateKey(ctx)
- rule := java.Signapk
- args := map[string]string{
- "certificates": pem.String() + " " + key.String(),
- "flags": "-a 4096 --align-file-size", //alignment
- }
- implicits := android.Paths{pem, key}
- if ctx.Config().UseRBE() && ctx.Config().IsEnvTrue("RBE_SIGNAPK") {
- rule = java.SignapkRE
- args["implicits"] = strings.Join(implicits.Strings(), ",")
- args["outCommaList"] = signedOutputFile.String()
- }
- ctx.Build(pctx, android.BuildParams{
- Rule: rule,
- Description: "signapk",
- Output: signedOutputFile,
- Input: unsignedOutputFile,
- Implicits: implicits,
- Args: args,
- })
- if suffix == imageApexSuffix {
- a.outputApexFile = signedOutputFile
- }
- a.outputFile = signedOutputFile
- if ctx.ModuleDir() != "system/apex/apexd/apexd_testdata" && a.testOnlyShouldForceCompression() {
- ctx.PropertyErrorf("test_only_force_compression", "not available")
- return
- }
- if apexType == imageApex && (compressionEnabled || a.testOnlyShouldForceCompression()) {
- a.isCompressed = true
- unsignedCompressedOutputFile := android.PathForModuleOut(ctx, a.Name()+imageCapexSuffix+".unsigned")
- compressRule := android.NewRuleBuilder(pctx, ctx)
- compressRule.Command().
- Text("rm").
- FlagWithOutput("-f ", unsignedCompressedOutputFile)
- compressRule.Command().
- BuiltTool("apex_compression_tool").
- Flag("compress").
- FlagWithArg("--apex_compression_tool ", outHostBinDir+":"+prebuiltSdkToolsBinDir).
- FlagWithInput("--input ", signedOutputFile).
- FlagWithOutput("--output ", unsignedCompressedOutputFile)
- compressRule.Build("compressRule", "Generate unsigned compressed APEX file")
- signedCompressedOutputFile := android.PathForModuleOut(ctx, a.Name()+imageCapexSuffix)
- if ctx.Config().UseRBE() && ctx.Config().IsEnvTrue("RBE_SIGNAPK") {
- args["outCommaList"] = signedCompressedOutputFile.String()
- }
- ctx.Build(pctx, android.BuildParams{
- Rule: rule,
- Description: "sign compressedApex",
- Output: signedCompressedOutputFile,
- Input: unsignedCompressedOutputFile,
- Implicits: implicits,
- Args: args,
- })
- a.outputFile = signedCompressedOutputFile
- }
- installSuffix := suffix
- if a.isCompressed {
- installSuffix = imageCapexSuffix
- }
- if !a.installable() {
- a.SkipInstall()
- }
- // Install to $OUT/soong/{target,host}/.../apex.
- a.installedFile = ctx.InstallFile(a.installDir, a.Name()+installSuffix, a.outputFile,
- a.compatSymlinks.Paths()...)
- // installed-files.txt is dist'ed
- a.installedFilesFile = a.buildInstalledFilesFile(ctx, a.outputFile, imageDir)
- }
- // buildFlattenedApex creates rules for a flattened APEX. Flattened APEX actually doesn't have a
- // single output file. It is a phony target for all the files under /system/apex/<name> directory.
- // This function creates the installation rules for the files.
- func (a *apexBundle) buildFlattenedApex(ctx android.ModuleContext) {
- bundleName := a.Name()
- installedSymlinks := append(android.InstallPaths(nil), a.compatSymlinks...)
- if a.installable() {
- for _, fi := range a.filesInfo {
- dir := filepath.Join("apex", bundleName, fi.installDir)
- installDir := android.PathForModuleInstall(ctx, dir)
- if a.linkToSystemLib && fi.transitiveDep && fi.availableToPlatform() {
- // TODO(jiyong): pathOnDevice should come from fi.module, not being calculated here
- pathOnDevice := filepath.Join("/system", fi.path())
- installedSymlinks = append(installedSymlinks,
- ctx.InstallAbsoluteSymlink(installDir, fi.stem(), pathOnDevice))
- } else {
- target := ctx.InstallFile(installDir, fi.stem(), fi.builtFile)
- for _, sym := range fi.symlinks {
- installedSymlinks = append(installedSymlinks,
- ctx.InstallSymlink(installDir, sym, target))
- }
- }
- }
- // Create install rules for the files added in GenerateAndroidBuildActions after
- // buildFlattenedApex is called. Add the links to system libs (if any) as dependencies
- // of the apex_manifest.pb file since it is always present.
- dir := filepath.Join("apex", bundleName)
- installDir := android.PathForModuleInstall(ctx, dir)
- ctx.InstallFile(installDir, "apex_manifest.pb", a.manifestPbOut, installedSymlinks.Paths()...)
- ctx.InstallFile(installDir, "apex_pubkey", a.publicKeyFile)
- }
- a.fileContexts = a.buildFileContexts(ctx)
- a.outputFile = android.PathForModuleInstall(ctx, "apex", bundleName)
- }
- // getCertificateAndPrivateKey retrieves the cert and the private key that will be used to sign
- // the zip container of this APEX. See the description of the 'certificate' property for how
- // the cert and the private key are found.
- func (a *apexBundle) getCertificateAndPrivateKey(ctx android.PathContext) (pem, key android.Path) {
- if a.containerCertificateFile != nil {
- return a.containerCertificateFile, a.containerPrivateKeyFile
- }
- cert := String(a.overridableProperties.Certificate)
- if cert == "" {
- return ctx.Config().DefaultAppCertificate(ctx)
- }
- defaultDir := ctx.Config().DefaultAppCertificateDir(ctx)
- pem = defaultDir.Join(ctx, cert+".x509.pem")
- key = defaultDir.Join(ctx, cert+".pk8")
- return pem, key
- }
- func (a *apexBundle) getOverrideManifestPackageName(ctx android.ModuleContext) string {
- // For VNDK APEXes, check "com.android.vndk" in PRODUCT_MANIFEST_PACKAGE_NAME_OVERRIDES
- // to see if it should be overridden because their <apex name> is dynamically generated
- // according to its VNDK version.
- if a.vndkApex {
- overrideName, overridden := ctx.DeviceConfig().OverrideManifestPackageNameFor(vndkApexName)
- if overridden {
- return strings.Replace(*a.properties.Apex_name, vndkApexName, overrideName, 1)
- }
- return ""
- }
- if a.overridableProperties.Package_name != "" {
- return a.overridableProperties.Package_name
- }
- manifestPackageName, overridden := ctx.DeviceConfig().OverrideManifestPackageNameFor(ctx.ModuleName())
- if overridden {
- return manifestPackageName
- }
- return ""
- }
- func (a *apexBundle) buildApexDependencyInfo(ctx android.ModuleContext) {
- if !a.primaryApexType {
- return
- }
- if a.properties.IsCoverageVariant {
- // Otherwise, we will have duplicated rules for coverage and
- // non-coverage variants of the same APEX
- return
- }
- if ctx.Host() {
- // No need to generate dependency info for host variant
- return
- }
- depInfos := android.DepNameToDepInfoMap{}
- a.WalkPayloadDeps(ctx, func(ctx android.ModuleContext, from blueprint.Module, to android.ApexModule, externalDep bool) bool {
- if from.Name() == to.Name() {
- // This can happen for cc.reuseObjTag. We are not interested in tracking this.
- // As soon as the dependency graph crosses the APEX boundary, don't go further.
- return !externalDep
- }
- // Skip dependencies that are only available to APEXes; they are developed with updatability
- // in mind and don't need manual approval.
- if to.(android.ApexModule).NotAvailableForPlatform() {
- return !externalDep
- }
- depTag := ctx.OtherModuleDependencyTag(to)
- // Check to see if dependency been marked to skip the dependency check
- if skipDepCheck, ok := depTag.(android.SkipApexAllowedDependenciesCheck); ok && skipDepCheck.SkipApexAllowedDependenciesCheck() {
- return !externalDep
- }
- if info, exists := depInfos[to.Name()]; exists {
- if !android.InList(from.Name(), info.From) {
- info.From = append(info.From, from.Name())
- }
- info.IsExternal = info.IsExternal && externalDep
- depInfos[to.Name()] = info
- } else {
- toMinSdkVersion := "(no version)"
- if m, ok := to.(interface {
- MinSdkVersion(ctx android.EarlyModuleContext) android.SdkSpec
- }); ok {
- if v := m.MinSdkVersion(ctx); !v.ApiLevel.IsNone() {
- toMinSdkVersion = v.ApiLevel.String()
- }
- } else if m, ok := to.(interface{ MinSdkVersion() string }); ok {
- // TODO(b/175678607) eliminate the use of MinSdkVersion returning
- // string
- if v := m.MinSdkVersion(); v != "" {
- toMinSdkVersion = v
- }
- }
- depInfos[to.Name()] = android.ApexModuleDepInfo{
- To: to.Name(),
- From: []string{from.Name()},
- IsExternal: externalDep,
- MinSdkVersion: toMinSdkVersion,
- }
- }
- // As soon as the dependency graph crosses the APEX boundary, don't go further.
- return !externalDep
- })
- a.ApexBundleDepsInfo.BuildDepsInfoLists(ctx, a.MinSdkVersion(ctx).Raw, depInfos)
- ctx.Build(pctx, android.BuildParams{
- Rule: android.Phony,
- Output: android.PathForPhony(ctx, a.Name()+"-deps-info"),
- Inputs: []android.Path{
- a.ApexBundleDepsInfo.FullListPath(),
- a.ApexBundleDepsInfo.FlatListPath(),
- },
- })
- }
- func (a *apexBundle) buildLintReports(ctx android.ModuleContext) {
- depSetsBuilder := java.NewLintDepSetBuilder()
- for _, fi := range a.filesInfo {
- depSetsBuilder.Transitive(fi.lintDepSets)
- }
- a.lintReports = java.BuildModuleLintReportZips(ctx, depSetsBuilder.Build())
- }
- func (a *apexBundle) buildCannedFsConfig(ctx android.ModuleContext) android.OutputPath {
- var readOnlyPaths = []string{"apex_manifest.json", "apex_manifest.pb"}
- var executablePaths []string // this also includes dirs
- var appSetDirs []string
- appSetFiles := make(map[string]android.Path)
- for _, f := range a.filesInfo {
- pathInApex := f.path()
- if f.installDir == "bin" || strings.HasPrefix(f.installDir, "bin/") {
- executablePaths = append(executablePaths, pathInApex)
- for _, d := range f.dataPaths {
- readOnlyPaths = append(readOnlyPaths, filepath.Join(f.installDir, d.RelativeInstallPath, d.SrcPath.Rel()))
- }
- for _, s := range f.symlinks {
- executablePaths = append(executablePaths, filepath.Join(f.installDir, s))
- }
- } else if f.class == appSet {
- appSetDirs = append(appSetDirs, f.installDir)
- appSetFiles[f.installDir] = f.builtFile
- } else {
- readOnlyPaths = append(readOnlyPaths, pathInApex)
- }
- dir := f.installDir
- for !android.InList(dir, executablePaths) && dir != "" {
- executablePaths = append(executablePaths, dir)
- dir, _ = filepath.Split(dir) // move up to the parent
- if len(dir) > 0 {
- // remove trailing slash
- dir = dir[:len(dir)-1]
- }
- }
- }
- sort.Strings(readOnlyPaths)
- sort.Strings(executablePaths)
- sort.Strings(appSetDirs)
- cannedFsConfig := android.PathForModuleOut(ctx, "canned_fs_config")
- builder := android.NewRuleBuilder(pctx, ctx)
- cmd := builder.Command()
- cmd.Text("(")
- cmd.Text("echo '/ 1000 1000 0755';")
- for _, p := range readOnlyPaths {
- cmd.Textf("echo '/%s 1000 1000 0644';", p)
- }
- for _, p := range executablePaths {
- cmd.Textf("echo '/%s 0 2000 0755';", p)
- }
- for _, dir := range appSetDirs {
- cmd.Textf("echo '/%s 0 2000 0755';", dir)
- file := appSetFiles[dir]
- cmd.Text("zipinfo -1").Input(file).Textf(`| sed "s:\(.*\):/%s/\1 1000 1000 0644:";`, dir)
- }
- // Custom fs_config is "appended" to the last so that entries from the file are preferred
- // over default ones set above.
- if a.properties.Canned_fs_config != nil {
- cmd.Text("cat").Input(android.PathForModuleSrc(ctx, *a.properties.Canned_fs_config))
- }
- cmd.Text(")").FlagWithOutput("> ", cannedFsConfig)
- builder.Build("generateFsConfig", fmt.Sprintf("Generating canned fs config for %s", a.BaseModuleName()))
- return cannedFsConfig.OutputPath
- }
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