358 lines
10 KiB
Go
358 lines
10 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 main
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import (
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"context"
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"flag"
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"fmt"
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"os"
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"path/filepath"
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"strconv"
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"strings"
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"time"
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"android/soong/ui/build"
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"android/soong/ui/logger"
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"android/soong/ui/metrics"
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"android/soong/ui/status"
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"android/soong/ui/terminal"
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"android/soong/ui/tracer"
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)
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// A command represents an operation to be executed in the soong build
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// system.
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type command struct {
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// the flag name (must have double dashes)
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flag string
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// description for the flag (to display when running help)
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description string
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// Creates the build configuration based on the args and build context.
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config func(ctx build.Context, args ...string) build.Config
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// Returns what type of IO redirection this Command requires.
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stdio func() terminal.StdioInterface
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// run the command
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run func(ctx build.Context, config build.Config, args []string, logsDir string)
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}
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const makeModeFlagName = "--make-mode"
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// list of supported commands (flags) supported by soong ui
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var commands []command = []command{
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{
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flag: makeModeFlagName,
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description: "build the modules by the target name (i.e. soong_docs)",
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config: func(ctx build.Context, args ...string) build.Config {
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return build.NewConfig(ctx, args...)
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},
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stdio: func() terminal.StdioInterface {
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return terminal.StdioImpl{}
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},
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run: make,
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}, {
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flag: "--dumpvar-mode",
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description: "print the value of the legacy make variable VAR to stdout",
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config: dumpVarConfig,
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stdio: customStdio,
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run: dumpVar,
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}, {
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flag: "--dumpvars-mode",
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description: "dump the values of one or more legacy make variables, in shell syntax",
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config: dumpVarConfig,
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stdio: customStdio,
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run: dumpVars,
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},
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}
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// indexList returns the index of first found s. -1 is return if s is not
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// found.
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func indexList(s string, list []string) int {
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for i, l := range list {
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if l == s {
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return i
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}
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}
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return -1
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}
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// inList returns true if one or more of s is in the list.
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func inList(s string, list []string) bool {
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return indexList(s, list) != -1
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}
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// Main execution of soong_ui. The command format is as follows:
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//
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// soong_ui <command> [<arg 1> <arg 2> ... <arg n>]
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//
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// Command is the type of soong_ui execution. Only one type of
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// execution is specified. The args are specific to the command.
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func main() {
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c, args := getCommand(os.Args)
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if c == nil {
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fmt.Fprintf(os.Stderr, "The `soong` native UI is not yet available.\n")
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os.Exit(1)
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}
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writer := terminal.NewWriter(c.stdio())
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defer writer.Finish()
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log := logger.New(writer)
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defer log.Cleanup()
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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trace := tracer.New(log)
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defer trace.Close()
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met := metrics.New()
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stat := &status.Status{}
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defer stat.Finish()
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stat.AddOutput(terminal.NewStatusOutput(writer, os.Getenv("NINJA_STATUS"),
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build.OsEnvironment().IsEnvTrue("ANDROID_QUIET_BUILD")))
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stat.AddOutput(trace.StatusTracer())
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build.SetupSignals(log, cancel, func() {
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trace.Close()
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log.Cleanup()
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stat.Finish()
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})
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buildCtx := build.Context{ContextImpl: &build.ContextImpl{
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Context: ctx,
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Logger: log,
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Metrics: met,
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Tracer: trace,
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Writer: writer,
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Status: stat,
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}}
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config := c.config(buildCtx, args...)
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build.SetupOutDir(buildCtx, config)
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logsDir := config.OutDir()
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if config.Dist() {
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logsDir = filepath.Join(config.DistDir(), "logs")
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}
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os.MkdirAll(logsDir, 0777)
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log.SetOutput(filepath.Join(logsDir, "soong.log"))
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trace.SetOutput(filepath.Join(logsDir, "build.trace"))
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stat.AddOutput(status.NewVerboseLog(log, filepath.Join(logsDir, "verbose.log")))
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stat.AddOutput(status.NewErrorLog(log, filepath.Join(logsDir, "error.log")))
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defer met.Dump(filepath.Join(logsDir, "build_metrics"))
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if start, ok := os.LookupEnv("TRACE_BEGIN_SOONG"); ok {
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if !strings.HasSuffix(start, "N") {
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if start_time, err := strconv.ParseUint(start, 10, 64); err == nil {
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log.Verbosef("Took %dms to start up.",
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time.Since(time.Unix(0, int64(start_time))).Nanoseconds()/time.Millisecond.Nanoseconds())
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buildCtx.CompleteTrace(metrics.RunSetupTool, "startup", start_time, uint64(time.Now().UnixNano()))
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}
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}
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if executable, err := os.Executable(); err == nil {
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trace.ImportMicrofactoryLog(filepath.Join(filepath.Dir(executable), "."+filepath.Base(executable)+".trace"))
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}
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}
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f := build.NewSourceFinder(buildCtx, config)
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defer f.Shutdown()
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build.FindSources(buildCtx, config, f)
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c.run(buildCtx, config, args, logsDir)
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}
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func dumpVar(ctx build.Context, config build.Config, args []string, _ string) {
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flags := flag.NewFlagSet("dumpvar", flag.ExitOnError)
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flags.Usage = func() {
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fmt.Fprintf(os.Stderr, "usage: %s --dumpvar-mode [--abs] <VAR>\n\n", os.Args[0])
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fmt.Fprintln(os.Stderr, "In dumpvar mode, print the value of the legacy make variable VAR to stdout")
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fmt.Fprintln(os.Stderr, "")
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fmt.Fprintln(os.Stderr, "'report_config' is a special case that prints the human-readable config banner")
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fmt.Fprintln(os.Stderr, "from the beginning of the build.")
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fmt.Fprintln(os.Stderr, "")
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flags.PrintDefaults()
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}
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abs := flags.Bool("abs", false, "Print the absolute path of the value")
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flags.Parse(args)
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if flags.NArg() != 1 {
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flags.Usage()
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os.Exit(1)
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}
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varName := flags.Arg(0)
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if varName == "report_config" {
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varData, err := build.DumpMakeVars(ctx, config, nil, build.BannerVars)
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if err != nil {
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ctx.Fatal(err)
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}
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fmt.Println(build.Banner(varData))
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} else {
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varData, err := build.DumpMakeVars(ctx, config, nil, []string{varName})
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if err != nil {
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ctx.Fatal(err)
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}
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if *abs {
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var res []string
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for _, path := range strings.Fields(varData[varName]) {
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if abs, err := filepath.Abs(path); err == nil {
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res = append(res, abs)
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} else {
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ctx.Fatalln("Failed to get absolute path of", path, err)
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}
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}
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fmt.Println(strings.Join(res, " "))
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} else {
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fmt.Println(varData[varName])
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}
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}
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}
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func dumpVars(ctx build.Context, config build.Config, args []string, _ string) {
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flags := flag.NewFlagSet("dumpvars", flag.ExitOnError)
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flags.Usage = func() {
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fmt.Fprintf(os.Stderr, "usage: %s --dumpvars-mode [--vars=\"VAR VAR ...\"]\n\n", os.Args[0])
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fmt.Fprintln(os.Stderr, "In dumpvars mode, dump the values of one or more legacy make variables, in")
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fmt.Fprintln(os.Stderr, "shell syntax. The resulting output may be sourced directly into a shell to")
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fmt.Fprintln(os.Stderr, "set corresponding shell variables.")
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fmt.Fprintln(os.Stderr, "")
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fmt.Fprintln(os.Stderr, "'report_config' is a special case that dumps a variable containing the")
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fmt.Fprintln(os.Stderr, "human-readable config banner from the beginning of the build.")
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fmt.Fprintln(os.Stderr, "")
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flags.PrintDefaults()
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}
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varsStr := flags.String("vars", "", "Space-separated list of variables to dump")
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absVarsStr := flags.String("abs-vars", "", "Space-separated list of variables to dump (using absolute paths)")
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varPrefix := flags.String("var-prefix", "", "String to prepend to all variable names when dumping")
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absVarPrefix := flags.String("abs-var-prefix", "", "String to prepent to all absolute path variable names when dumping")
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flags.Parse(args)
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if flags.NArg() != 0 {
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flags.Usage()
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os.Exit(1)
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}
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vars := strings.Fields(*varsStr)
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absVars := strings.Fields(*absVarsStr)
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allVars := append([]string{}, vars...)
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allVars = append(allVars, absVars...)
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if i := indexList("report_config", allVars); i != -1 {
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allVars = append(allVars[:i], allVars[i+1:]...)
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allVars = append(allVars, build.BannerVars...)
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}
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if len(allVars) == 0 {
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return
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}
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varData, err := build.DumpMakeVars(ctx, config, nil, allVars)
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if err != nil {
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ctx.Fatal(err)
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}
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for _, name := range vars {
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if name == "report_config" {
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fmt.Printf("%sreport_config='%s'\n", *varPrefix, build.Banner(varData))
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} else {
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fmt.Printf("%s%s='%s'\n", *varPrefix, name, varData[name])
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}
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}
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for _, name := range absVars {
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var res []string
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for _, path := range strings.Fields(varData[name]) {
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abs, err := filepath.Abs(path)
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if err != nil {
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ctx.Fatalln("Failed to get absolute path of", path, err)
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}
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res = append(res, abs)
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}
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fmt.Printf("%s%s='%s'\n", *absVarPrefix, name, strings.Join(res, " "))
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}
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}
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func customStdio() terminal.StdioInterface {
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return terminal.NewCustomStdio(os.Stdin, os.Stderr, os.Stderr)
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}
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// dumpVarConfig does not require any arguments to be parsed by the NewConfig.
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func dumpVarConfig(ctx build.Context, args ...string) build.Config {
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return build.NewConfig(ctx)
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}
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func make(ctx build.Context, config build.Config, _ []string, logsDir string) {
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if config.IsVerbose() {
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writer := ctx.Writer
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writer.Print("! The argument `showcommands` is no longer supported.")
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writer.Print("! Instead, the verbose log is always written to a compressed file in the output dir:")
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writer.Print("!")
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writer.Print(fmt.Sprintf("! gzip -cd %s/verbose.log.gz | less -R", logsDir))
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writer.Print("!")
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writer.Print("! Older versions are saved in verbose.log.#.gz files")
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writer.Print("")
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time.Sleep(5 * time.Second)
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}
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toBuild := build.BuildAll
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if config.Checkbuild() {
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toBuild |= build.RunBuildTests
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}
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build.Build(ctx, config, toBuild)
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}
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// getCommand finds the appropriate command based on args[1] flag. args[0]
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// is the soong_ui filename.
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func getCommand(args []string) (*command, []string) {
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if len(args) < 2 {
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return nil, args
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}
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for _, c := range commands {
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if c.flag == args[1] {
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return &c, args[2:]
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}
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// special case for --make-mode: if soong_ui was called from
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// build/make/core/main.mk, the makeparallel with --ninja
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// option specified puts the -j<num> before --make-mode.
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// TODO: Remove this hack once it has been fixed.
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if c.flag == makeModeFlagName {
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if inList(makeModeFlagName, args) {
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return &c, args[1:]
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}
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}
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}
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// command not found
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return nil, args
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}
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