268 lines
7.2 KiB
Go
268 lines
7.2 KiB
Go
// Copyright 2017 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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package build
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import (
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"crypto/md5"
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"fmt"
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"io/ioutil"
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"os"
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"os/user"
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"path/filepath"
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"strings"
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"android/soong/ui/metrics"
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"android/soong/ui/status"
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)
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var spaceSlashReplacer = strings.NewReplacer("/", "_", " ", "_")
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const katiBuildSuffix = ""
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const katiCleanspecSuffix = "-cleanspec"
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const katiPackageSuffix = "-package"
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// genKatiSuffix creates a suffix for kati-generated files so that we can cache
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// them based on their inputs. So this should encode all common changes to Kati
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// inputs. Currently that includes the TARGET_PRODUCT, kati-processed command
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// line arguments, and the directories specified by mm/mmm.
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func genKatiSuffix(ctx Context, config Config) {
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katiSuffix := "-" + config.TargetProduct()
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if args := config.KatiArgs(); len(args) > 0 {
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katiSuffix += "-" + spaceSlashReplacer.Replace(strings.Join(args, "_"))
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}
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// If the suffix is too long, replace it with a md5 hash and write a
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// file that contains the original suffix.
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if len(katiSuffix) > 64 {
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shortSuffix := "-" + fmt.Sprintf("%x", md5.Sum([]byte(katiSuffix)))
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config.SetKatiSuffix(shortSuffix)
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ctx.Verbosef("Kati ninja suffix too long: %q", katiSuffix)
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ctx.Verbosef("Replacing with: %q", shortSuffix)
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if err := ioutil.WriteFile(strings.TrimSuffix(config.KatiBuildNinjaFile(), "ninja")+"suf", []byte(katiSuffix), 0777); err != nil {
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ctx.Println("Error writing suffix file:", err)
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}
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} else {
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config.SetKatiSuffix(katiSuffix)
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}
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}
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func runKati(ctx Context, config Config, extraSuffix string, args []string, envFunc func(*Environment)) {
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executable := config.PrebuiltBuildTool("ckati")
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args = append([]string{
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"--ninja",
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"--ninja_dir=" + config.OutDir(),
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"--ninja_suffix=" + config.KatiSuffix() + extraSuffix,
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"--no_ninja_prelude",
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"--use_ninja_phony_output",
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"--regen",
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"--ignore_optional_include=" + filepath.Join(config.OutDir(), "%.P"),
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"--detect_android_echo",
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"--color_warnings",
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"--gen_all_targets",
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"--use_find_emulator",
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"--werror_find_emulator",
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"--no_builtin_rules",
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"--werror_suffix_rules",
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"--warn_real_to_phony",
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"--warn_phony_looks_real",
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"--werror_real_to_phony",
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"--werror_phony_looks_real",
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"--werror_writable",
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"--top_level_phony",
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"--kati_stats",
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}, args...)
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if config.Environment().IsEnvTrue("EMPTY_NINJA_FILE") {
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args = append(args, "--empty_ninja_file")
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}
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if config.UseRemoteBuild() {
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args = append(args, "--default_pool=local_pool")
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}
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cmd := Command(ctx, config, "ckati", executable, args...)
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cmd.Sandbox = katiSandbox
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pipe, err := cmd.StdoutPipe()
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if err != nil {
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ctx.Fatalln("Error getting output pipe for ckati:", err)
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}
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cmd.Stderr = cmd.Stdout
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envFunc(cmd.Environment)
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if _, ok := cmd.Environment.Get("BUILD_USERNAME"); !ok {
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username := "unknown"
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if u, err := user.Current(); err == nil {
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username = u.Username
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} else {
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ctx.Println("Failed to get current user:", err)
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}
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cmd.Environment.Set("BUILD_USERNAME", username)
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}
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if _, ok := cmd.Environment.Get("BUILD_HOSTNAME"); !ok {
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hostname, err := os.Hostname()
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if err != nil {
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ctx.Println("Failed to read hostname:", err)
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hostname = "unknown"
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}
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cmd.Environment.Set("BUILD_HOSTNAME", hostname)
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}
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cmd.StartOrFatal()
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status.KatiReader(ctx.Status.StartTool(), pipe)
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cmd.WaitOrFatal()
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}
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func runKatiBuild(ctx Context, config Config) {
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ctx.BeginTrace(metrics.RunKati, "kati build")
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defer ctx.EndTrace()
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args := []string{
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"--writable", config.OutDir() + "/",
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"-f", "build/make/core/main.mk",
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}
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// PDK builds still uses a few implicit rules
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if !config.IsPdkBuild() {
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args = append(args, "--werror_implicit_rules")
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}
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if !config.BuildBrokenDupRules() {
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args = append(args, "--werror_overriding_commands")
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}
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args = append(args, config.KatiArgs()...)
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args = append(args,
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"SOONG_MAKEVARS_MK="+config.SoongMakeVarsMk(),
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"SOONG_ANDROID_MK="+config.SoongAndroidMk(),
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"TARGET_DEVICE_DIR="+config.TargetDeviceDir(),
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"KATI_PACKAGE_MK_DIR="+config.KatiPackageMkDir())
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runKati(ctx, config, katiBuildSuffix, args, func(env *Environment) {})
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cleanCopyHeaders(ctx, config)
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cleanOldInstalledFiles(ctx, config)
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}
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func cleanCopyHeaders(ctx Context, config Config) {
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ctx.BeginTrace("clean", "clean copy headers")
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defer ctx.EndTrace()
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data, err := ioutil.ReadFile(filepath.Join(config.ProductOut(), ".copied_headers_list"))
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if err != nil {
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if os.IsNotExist(err) {
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return
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}
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ctx.Fatalf("Failed to read copied headers list: %v", err)
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}
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headers := strings.Fields(string(data))
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if len(headers) < 1 {
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ctx.Fatal("Failed to parse copied headers list: %q", string(data))
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}
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headerDir := headers[0]
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headers = headers[1:]
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filepath.Walk(headerDir,
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func(path string, info os.FileInfo, err error) error {
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if err != nil {
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return nil
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}
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if info.IsDir() {
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return nil
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}
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if !inList(path, headers) {
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ctx.Printf("Removing obsolete header %q", path)
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if err := os.Remove(path); err != nil {
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ctx.Fatalf("Failed to remove obsolete header %q: %v", path, 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 cleanOldInstalledFiles(ctx Context, config Config) {
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ctx.BeginTrace("clean", "clean old installed files")
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defer ctx.EndTrace()
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// We shouldn't be removing files from one side of the two-step asan builds
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var suffix string
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if v, ok := config.Environment().Get("SANITIZE_TARGET"); ok {
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if sanitize := strings.Fields(v); inList("address", sanitize) {
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suffix = "_asan"
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}
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}
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cleanOldFiles(ctx, config.ProductOut(), ".installable_files"+suffix)
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cleanOldFiles(ctx, config.HostOut(), ".installable_test_files")
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}
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func runKatiPackage(ctx Context, config Config) {
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ctx.BeginTrace(metrics.RunKati, "kati package")
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defer ctx.EndTrace()
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args := []string{
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"--writable", config.DistDir() + "/",
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"--werror_implicit_rules",
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"--werror_overriding_commands",
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"-f", "build/make/packaging/main.mk",
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"KATI_PACKAGE_MK_DIR=" + config.KatiPackageMkDir(),
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}
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runKati(ctx, config, katiPackageSuffix, args, func(env *Environment) {
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env.Allow([]string{
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// Some generic basics
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"LANG",
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"LC_MESSAGES",
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"PATH",
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"PWD",
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"TMPDIR",
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// Tool configs
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"ASAN_SYMBOLIZER_PATH",
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"JAVA_HOME",
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"PYTHONDONTWRITEBYTECODE",
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// Build configuration
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"ANDROID_BUILD_SHELL",
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"DIST_DIR",
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"OUT_DIR",
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}...)
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if config.Dist() {
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env.Set("DIST", "true")
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env.Set("DIST_DIR", config.DistDir())
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}
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})
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}
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func runKatiCleanSpec(ctx Context, config Config) {
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ctx.BeginTrace(metrics.RunKati, "kati cleanspec")
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defer ctx.EndTrace()
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runKati(ctx, config, katiCleanspecSuffix, []string{
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"--werror_implicit_rules",
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"--werror_overriding_commands",
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"-f", "build/make/core/cleanbuild.mk",
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"SOONG_MAKEVARS_MK=" + config.SoongMakeVarsMk(),
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"TARGET_DEVICE_DIR=" + config.TargetDeviceDir(),
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}, func(env *Environment) {})
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}
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