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How to use PrepareBisect method of vcs Package

Best Syzkaller code snippet using vcs.PrepareBisect

bisect.go

Source:bisect.go

...188	}189	return res, nil190}191func (env *env) bisect() (*Result, error) {192	err := env.bisecter.PrepareBisect()193	if err != nil {194		return nil, err195	}196	cfg := env.cfg197	if err := build.Clean(cfg.Manager.TargetOS, cfg.Manager.TargetVMArch,198		cfg.Manager.Type, cfg.Manager.KernelSrc); err != nil {199		return nil, fmt.Errorf("kernel clean failed: %v", err)200	}201	env.log("building syzkaller on %v", cfg.Syzkaller.Commit)202	if _, err := env.inst.BuildSyzkaller(cfg.Syzkaller.Repo, cfg.Syzkaller.Commit); err != nil {203		return nil, err204	}205	com, err := env.repo.CheckoutCommit(cfg.Kernel.Repo, cfg.Kernel.Commit)206	if err != nil {...

vcs.go

Source:vcs.go

...50// Bisecter may be optionally implemented by Repo.51type Bisecter interface {52	// Can be used for last minute preparations like pulling release tags into the bisected repo, which53	// is required to determin the compiler version to use on linux. Can be an empty function.54	PrepareBisect() error55	// Bisect bisects good..bad commit range against the provided predicate (wrapper around git bisect).56	// The predicate should return an error only if there is no way to proceed57	// (it will abort the process), if possible it should prefer to return BisectSkip.58	// Progress of the process is streamed to the provided trace.59	// Returns the first commit on which the predicate returns BisectBad,60	// or multiple commits if bisection is inconclusive due to BisectSkip.61	Bisect(bad, good string, dt debugtracer.DebugTracer, pred func() (BisectResult, error)) ([]*Commit, error)62	// PreviousReleaseTags returns list of preceding release tags that are reachable from the given commit.63	// If the commit itself has a release tag, this tag is not included.64	PreviousReleaseTags(commit, bisectCompiler string) ([]string, error)65	IsRelease(commit string) (bool, error)66	EnvForCommit(bisectCompiler, binDir, commit string, kernelConfig []byte) (*BisectEnv, error)67}68type ConfigMinimizer interface {...

testos.go

Source:testos.go

...38 default:39 return original, nil40 }41}42func (ctx *testos) PrepareBisect() error {43 return nil44}...

PrepareBisect

Using AI Code Generation

1vcs.PrepareBisect()2vcs.Bisect()3vcs.Bisect()4vcs.Bisect()5vcs.Bisect()6vcs.Bisect()7vcs.Bisect()8vcs.Bisect()9vcs.Bisect()10vcs.Bisect()11vcs.Bisect()12vcs.Bisect()13vcs.Bisect()14vcs.Bisect()15vcs.Bisect()16vcs.Bisect()17vcs.Bisect()18vcs.Bisect()19vcs.Bisect()20vcs.Bisect()

PrepareBisect

Using AI Code Generation

1import (2var (3	gerritProject  = flag.String("gerrit_project", "skia", "Gerrit project to use.")4	gerritBranch   = flag.String("gerrit_branch", "master", "Gerrit branch to use.")5func main() {6	defer common.LogPanic()7	common.InitWithMust(8		common.PrometheusOpt(promPort),9		common.CloudLoggingOpt(),10	start, end := gerrit.GetRangeFromCommitMsg()11	if start == "" || end == "" {12		sklog.Fatalf("Unable to determine start and end commits.")13	}14	vcs := vcsinfo.New(git.GitDir(), git.GitBranch(), true, exec.New())15	if err := vcs.Update(); err != nil {16		sklog.Fatal(err)17	}18	if err := vcs.PrepareBisect(start, end); err != nil {19		sklog.Fatal(err)20	}21	startTime := time.Now()22	bisectStart := vcs.LastNIndex(1)[0]23	bisectEnd := vcs.LastNIndex(2)[0]24	sklog.Infof("Bisection range: %s..%s", bisectStart, bisectEnd)25	bisectCmd := exec.Command("git", "bisect", "run", "go", "run", "bisect.go", "--gerrit_instance", *gerritInstance, "--gerrit_project", *gerritProject, "--gerrit_branch", *gerritBranch)26	bisectCmd.Dir = vcs.Dir()

PrepareBisect

Using AI Code Generation

1import "fmt"2import "vcs"3func main() {4    vcs := vcs.NewVcs()5    vcs.PrepareBisect("vcs")6}7import "fmt"8type Vcs struct {9}10func NewVcs() *Vcs {11}12func (vcs *Vcs) PrepareBisect(repoName string) {13    fmt.Println("Preparing to bisect", repoName)14}

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