Пример #1
0
func Main(ctx *blueprint.Context, config interface{}, extraNinjaFileDeps ...string) {
	if !flag.Parsed() {
		flag.Parse()
	}

	runtime.GOMAXPROCS(runtime.NumCPU())

	if cpuprofile != "" {
		f, err := os.Create(cpuprofile)
		if err != nil {
			fatalf("error opening cpuprofile: %s", err)
		}
		pprof.StartCPUProfile(f)
		defer f.Close()
		defer pprof.StopCPUProfile()
	}

	if flag.NArg() != 1 {
		fatalf("no Blueprints file specified")
	}

	stage := StageMain
	if c, ok := config.(ConfigInterface); ok {
		if c.GeneratingBootstrapper() {
			stage = StageBootstrap
		}
		if c.GeneratingPrimaryBuilder() {
			stage = StagePrimary
		}
	}

	bootstrapConfig := &Config{
		stage: stage,
		topLevelBlueprintsFile: flag.Arg(0),
		runGoTests:             runGoTests,
	}

	ctx.RegisterModuleType("bootstrap_go_package", newGoPackageModuleFactory(bootstrapConfig))
	ctx.RegisterModuleType("bootstrap_core_go_binary", newGoBinaryModuleFactory(bootstrapConfig, StageBootstrap))
	ctx.RegisterModuleType("bootstrap_go_binary", newGoBinaryModuleFactory(bootstrapConfig, StagePrimary))
	ctx.RegisterTopDownMutator("bootstrap_stage", propagateStageBootstrap)
	ctx.RegisterSingletonType("bootstrap", newSingletonFactory(bootstrapConfig))

	deps, errs := ctx.ParseBlueprintsFiles(bootstrapConfig.topLevelBlueprintsFile)
	if len(errs) > 0 {
		fatalErrors(errs)
	}

	// Add extra ninja file dependencies
	deps = append(deps, extraNinjaFileDeps...)

	errs = ctx.ResolveDependencies(config)
	if len(errs) > 0 {
		fatalErrors(errs)
	}

	if docFile != "" {
		err := writeDocs(ctx, filepath.Dir(bootstrapConfig.topLevelBlueprintsFile), docFile)
		if err != nil {
			fatalErrors([]error{err})
		}
		return
	}

	extraDeps, errs := ctx.PrepareBuildActions(config)
	if len(errs) > 0 {
		fatalErrors(errs)
	}
	deps = append(deps, extraDeps...)

	buf := bytes.NewBuffer(nil)
	err := ctx.WriteBuildFile(buf)
	if err != nil {
		fatalf("error generating Ninja file contents: %s", err)
	}

	const outFilePermissions = 0666
	if timestampFile != "" {
		err := ioutil.WriteFile(timestampFile, []byte{}, outFilePermissions)
		if err != nil {
			fatalf("error writing %s: %s", timestampFile, err)
		}

		if timestampDepFile != "" {
			err := deptools.WriteDepFile(timestampDepFile, timestampFile, deps)
			if err != nil {
				fatalf("error writing depfile: %s", err)
			}
		}
	}

	err = ioutil.WriteFile(outFile, buf.Bytes(), outFilePermissions)
	if err != nil {
		fatalf("error writing %s: %s", outFile, err)
	}

	if depFile != "" {
		err := deptools.WriteDepFile(depFile, outFile, deps)
		if err != nil {
			fatalf("error writing depfile: %s", err)
		}
		err = deptools.WriteDepFile(depFile+".timestamp", outFile+".timestamp", deps)
		if err != nil {
			fatalf("error writing depfile: %s", err)
		}
	}

	srcDir := filepath.Dir(bootstrapConfig.topLevelBlueprintsFile)
	err = removeAbandonedFiles(ctx, bootstrapConfig, srcDir, manifestFile)
	if err != nil {
		fatalf("error removing abandoned files: %s", err)
	}
}
Пример #2
0
func Main(ctx *blueprint.Context, config interface{}, extraNinjaFileDeps ...string) {
	if !flag.Parsed() {
		flag.Parse()
	}

	runtime.GOMAXPROCS(runtime.NumCPU())

	if cpuprofile != "" {
		f, err := os.Create(cpuprofile)
		if err != nil {
			fatalf("error opening cpuprofile: %s", err)
		}
		pprof.StartCPUProfile(f)
		defer f.Close()
		defer pprof.StopCPUProfile()
	}

	if flag.NArg() != 1 {
		fatalf("no Blueprints file specified")
	}

	generatingBootstrapper := false
	if c, ok := config.(ConfigInterface); ok {
		generatingBootstrapper = c.GeneratingBootstrapper()
	}

	bootstrapConfig := &Config{
		generatingBootstrapper: generatingBootstrapper,
		topLevelBlueprintsFile: flag.Arg(0),
		runGoTests:             runGoTests,
	}

	ctx.RegisterModuleType("bootstrap_go_package", newGoPackageModuleFactory(bootstrapConfig))
	ctx.RegisterModuleType("bootstrap_go_binary", newGoBinaryModuleFactory(bootstrapConfig))
	ctx.RegisterSingletonType("bootstrap", newSingletonFactory(bootstrapConfig))

	deps, errs := ctx.ParseBlueprintsFiles(bootstrapConfig.topLevelBlueprintsFile)
	if len(errs) > 0 {
		fatalErrors(errs)
	}

	// Add extra ninja file dependencies
	deps = append(deps, extraNinjaFileDeps...)

	errs = ctx.ResolveDependencies(config)
	if len(errs) > 0 {
		fatalErrors(errs)
	}

	if docFile != "" {
		err := writeDocs(ctx, filepath.Dir(bootstrapConfig.topLevelBlueprintsFile), docFile)
		if err != nil {
			fatalErrors([]error{err})
		}
		return
	}

	extraDeps, errs := ctx.PrepareBuildActions(config)
	if len(errs) > 0 {
		fatalErrors(errs)
	}
	deps = append(deps, extraDeps...)

	buf := bytes.NewBuffer(nil)
	err := ctx.WriteBuildFile(buf)
	if err != nil {
		fatalf("error generating Ninja file contents: %s", err)
	}

	const outFilePermissions = 0666
	err = ioutil.WriteFile(outFile, buf.Bytes(), outFilePermissions)
	if err != nil {
		fatalf("error writing %s: %s", outFile, err)
	}

	if checkFile != "" {
		checkData, err := ioutil.ReadFile(checkFile)
		if err != nil {
			fatalf("error reading %s: %s", checkFile, err)
		}

		matches := buf.Len() == len(checkData)
		if matches {
			for i, value := range buf.Bytes() {
				if value != checkData[i] {
					matches = false
					break
				}
			}
		}

		if matches {
			// The new file content matches the check-file content, so we set
			// the new file's mtime and atime to match that of the check-file.
			checkFileInfo, err := os.Stat(checkFile)
			if err != nil {
				fatalf("error stat'ing %s: %s", checkFile, err)
			}

			time := checkFileInfo.ModTime()
			err = os.Chtimes(outFile, time, time)
			if err != nil {
				fatalf("error setting timestamps for %s: %s", outFile, err)
			}
		}
	}

	if depFile != "" {
		err := deptools.WriteDepFile(depFile, outFile, deps)
		if err != nil {
			fatalf("error writing depfile: %s", err)
		}
	}

	srcDir := filepath.Dir(bootstrapConfig.topLevelBlueprintsFile)
	err = removeAbandonedFiles(ctx, bootstrapConfig, srcDir, manifestFile)
	if err != nil {
		fatalf("error removing abandoned files: %s", err)
	}
}