How to use PrependContext method of osutil Package

Best Syzkaller code snippet using osutil.PrependContext

updater.go

Source:updater.go

...237		cmd := osutil.Command(instance.MakeBin, "generate")238		cmd.Dir = upd.syzkallerDir239		cmd.Env = append([]string{"GOPATH=" + upd.gopathDir}, os.Environ()...)240		if _, err := osutil.Run(time.Hour, cmd); err != nil {241			return osutil.PrependContext("generate failed", err)242		}243	}244	// This will also generate descriptions and should go before the 'go test' below.245	cmd := osutil.Command(instance.MakeBin, "host", "ci")246	cmd.Dir = upd.syzkallerDir247	cmd.Env = append([]string{"GOPATH=" + upd.gopathDir}, os.Environ()...)248	if _, err := osutil.Run(time.Hour, cmd); err != nil {249		return osutil.PrependContext("make host failed", err)250	}251	for target := range upd.targets {252		parts := strings.Split(target, "/")253		cmd = osutil.Command(instance.MakeBin, "target")254		cmd.Dir = upd.syzkallerDir255		cmd.Env = append([]string{}, os.Environ()...)256		cmd.Env = append(cmd.Env,257			"GOPATH="+upd.gopathDir,258			"TARGETOS="+parts[0],259			"TARGETVMARCH="+parts[1],260			"TARGETARCH="+parts[2],261		)262		if _, err := osutil.Run(time.Hour, cmd); err != nil {263			return osutil.PrependContext("make target failed", err)264		}265	}266	cmd = osutil.Command("go", "test", "-short", "./...")267	cmd.Dir = upd.syzkallerDir268	cmd.Env = append([]string{269		"GOPATH=" + upd.gopathDir,270		"SYZ_DISABLE_SANDBOXING=yes",271	}, os.Environ()...)272	if _, err := osutil.Run(time.Hour, cmd); err != nil {273		return osutil.PrependContext("testing failed", err)274	}275	tagFile := filepath.Join(upd.syzkallerDir, "tag")276	if err := osutil.WriteFile(tagFile, []byte(commit.Hash)); err != nil {277		return fmt.Errorf("failed to write tag file: %v", err)278	}279	if err := osutil.CopyFiles(upd.syzkallerDir, upd.latestDir, upd.syzFiles); err != nil {280		return fmt.Errorf("failed to copy syzkaller: %v", err)281	}282	return nil283}284func (upd *SyzUpdater) uploadBuildError(commit *vcs.Commit, buildErr error) {285	var title string286	var output []byte287	if verbose, ok := buildErr.(*osutil.VerboseError); ok {...

PrependContext

Using AI Code Generation

1import (2func main() {3	ctx, cancel := context.WithCancel(context.Background())4	defer cancel()5	cmd := exec.CommandContext(ctx, "sleep", "1000")6	cmd.Start()7	time.Sleep(2 * time.Second)8	cancel()9	cmd.Wait()10	fmt.Println("done")11}12import (13func main() {14	ctx, cancel := context.WithCancel(context.Background())15	defer cancel()16	cmd := exec.CommandContext(ctx, "sleep", "1000")17	cmd.Start()18	time.Sleep(2 * time.Second)19	cancel()20	cmd.Wait()21	fmt.Println("done")22}23import (24func main() {25	ctx, cancel := context.WithCancel(context.Background())26	defer cancel()27	cmd := exec.CommandContext(ctx, "sleep", "1000")28	cmd.Start()29	time.Sleep(2 * time.Second)30	cancel()31	cmd.Wait()32	fmt.Println("done")33}34import (35func main() {36	ctx, cancel := context.WithCancel(context.Background())37	defer cancel()38	cmd := exec.CommandContext(ctx, "sleep", "1000")39	cmd.Start()40	time.Sleep(2 * time.Second)41	cancel()42	cmd.Wait()43	fmt.Println("done")44}45import (

PrependContext

Using AI Code Generation

1import (2func main() {3	ctx, cancel := context.WithTimeout(context.Background(), 2*time.Second)4	defer cancel()5	cmd := exec.CommandContext(ctx, "sleep", "5")6	if err := cmd.Start(); err != nil {7		fmt.Println("Error: ", err)8	}9	if err := cmd.Wait(); err != nil {10		fmt.Println("Error: ", err)11	}12}13import (14func main() {15	ctx, cancel := context.WithTimeout(context.Background(), 2*time.Second)16	defer cancel()17	cmd := exec.Command("sleep", "5")18	if err := cmd.Start(); err != nil {19		fmt.Println("Error: ", err)20	}21	if err := cmd.Wait(); err != nil {22		fmt.Println("Error: ", err)23	}24}25import (26func main() {27	ctx, cancel := context.WithTimeout(context.Background(), 2*time.Second)28	defer cancel()29	cmd := exec.CommandContext(ctx, "sleep", "5")30	if err := cmd.Start(); err != nil {31		fmt.Println("Error: ", err)32	}33	if err := cmd.Wait(); err != nil {34		fmt.Println("Error: ", err)35	}36}

PrependContext

Using AI Code Generation

1import (2func main() {3    osutil := osutil{}4    path := osutil.PrependContext("hello", "world")5    fmt.Println(path)6}7import (8func main() {9    osutil := osutil{}10    path := osutil.PrependContext("hello", "world")11    fmt.Println(path)12}13import (14func main() {15    osutil := osutil{}16    path := osutil.PrependContext("hello", "world")17    fmt.Println(path)18}19import (20func main() {21    osutil := osutil{}22    path := osutil.PrependContext("hello", "world")23    fmt.Println(path)24}25import (26func main() {27    osutil := osutil{}28    path := osutil.PrependContext("hello", "world")29    fmt.Println(path)30}31import (32func main() {33    osutil := osutil{}34    path := osutil.PrependContext("hello", "world")35    fmt.Println(path)36}37import (

PrependContext

Using AI Code Generation

1import (2func main() {3	ctx := context.Background()4	ctx, cancel := context.WithCancel(ctx)5	cmd := exec.CommandContext(ctx, "sleep", "5")6	fmt.Println("Command:", cmd)7	err := cmd.Start()8	if err != nil {9		fmt.Println("Error starting command:", err)10		os.Exit(1)11	}12	fmt.Println("Process ID:", cmd.Process.Pid)13	cancel()14	err = cmd.Wait()15	fmt.Println("Error waiting for command:", err)16}

PrependContext

Using AI Code Generation

1import (2func main() {3	c := make(chan notify.EventInfo, 1)4	err := notify.WatchWithFilter("/tmp/...", c, notify.All, func(path string, fi os.FileInfo) bool {5		return fi.Mode()&os.ModePerm == 07776	})7	if err != nil {8		panic(err)9	}10	go func() {11		for {12			fmt.Println("event:", ei)13			pretty.Println(ei.Event())14			pretty.Println(ei.Path())15			pretty.Println(ei.Sys())16		}17	}()18	sig := make(chan os.Signal, 1)19	signal.Notify(sig, os.Interrupt, os.Kill, syscall.SIGTERM)20	notify.Stop(c)21}

PrependContext

Using AI Code Generation

1import (2type Config struct {3}4func main() {5	arg.MustParse(&config)6	osutil.PrependContext(os.Getenv("PATH"))7	fmt.Println(os.Getenv("PATH"))8}9import (10type Config struct {11}12func main() {13	arg.MustParse(&config)14	osutil.PrependContext(os.Getenv("PATH"))15	fmt.Println(os.Getenv("PATH"))16}17import (18func PrependContext(path string) error {19	if path == "" {20		return errors.New("path is empty")21	}22	if strings.Contains(path, string(os.PathListSeparator)) {23		return errors.New("path contains list separator")24	}25	if strings.Contains(path, string(os.PathSeparator)) {26		return errors.New("path contains path separator")27	}28	wd, err := os.Getwd()29	if err != nil {30	}31	path = filepath.Join(wd, path)32	os.Setenv("PATH", path+string(os.PathListSeparator)+os.Getenv("PATH"))33}34import (35type Config struct {36}37func main() {38	arg.MustParse(&config)39	osutil.PrependContext(os.Getenv

PrependContext

Using AI Code Generation

1import (2func main() {3    ctx := context.Background()4    cancel := context.CancelFunc()5    cmd := exec.Command("ping", "google.com")6    cmdContext := osutil.PrependContext(ctx, cmd)7    prc := exec.Process{}8    prcState := syscall.WaitStatus{}9    prcContext := osutil.PrependContext(ctx, prc)10    file := os.File{}11    fileContext := osutil.PrependContext(ctx, file)12    fileInfo := os.FileInfo{}13    fileInfoContext := osutil.PrependContext(ctx, fileInfo)14    fileStat := os.FileStat{}15    fileStatContext := osutil.PrependContext(ctx, fileStat)16    fileMode := os.FileMode{}17    fileModeContext := osutil.PrependContext(ctx, fileMode)18    fileDescriptor := os.FileDescriptor{}19    fileDescriptorContext := osutil.PrependContext(ctx, fileDescriptor)20    fileInfoSlice := []os.FileInfo{}21    fileInfoSliceContext := osutil.PrependContext(ctx, fileInfoSlice)22    fileInfoMap := map[string]os.FileInfo{}23    fileInfoMapContext := osutil.PrependContext(ctx, fileInfoMap)24    fileInfoChannel := make(chan os.FileInfo)25    fileInfoChannelContext := osutil.PrependContext(ctx, fileInfoChannel)26    fileInfoInterface := interface{}

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