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How to use Shell method of kconfig Package

Best Syzkaller code snippet using kconfig.Shell

kconf.go

Source:kconf.go

...175	}176	if err := ctx.mrProper(); err != nil {177		return err178	}179	if err := ctx.executeShell(); err != nil {180		return err181	}182	configFile := filepath.Join(ctx.BuildDir, ".config")183	cf, err := kconfig.ParseConfig(configFile)184	if err != nil {185		return err186	}187	if !ctx.Inst.Features[featBaseline] {188		if err := ctx.addUSBConfigs(cf); err != nil {189			return err190		}191	}192	ctx.applyConfigs(cf)193	cf.ModToYes()194	// Set all configs that are not present (actually not present, rather than "is not set") to "is not set".195	// This avoids olddefconfig turning on random things we did not ask for.196	for _, cfg := range ctx.Kconf.Configs {197		if (cfg.Type == kconfig.TypeTristate || cfg.Type == kconfig.TypeBool) && cf.Map[cfg.Name] == nil {198			cf.Set(cfg.Name, kconfig.No)199		}200	}201	original := cf.Serialize()202	if err := osutil.WriteFile(configFile, original); err != nil {203		return fmt.Errorf("failed to write .config file: %v", err)204	}205	// Save what we've got before olddefconfig for debugging purposes, it allows to see if we did not set a config,206	// or olddefconfig removed it. Save as .tmp so that it's not checked-in accidentially.207	outputFile := filepath.Join(ctx.ConfigDir, ctx.Inst.Name+".config")208	outputFileTmp := outputFile + ".tmp"209	if err := osutil.WriteFile(outputFileTmp, original); err != nil {210		return fmt.Errorf("failed to write tmp config file: %v", err)211	}212	if err := ctx.Make("olddefconfig"); err != nil {213		return err214	}215	cf, err = kconfig.ParseConfig(configFile)216	if err != nil {217		return err218	}219	if err := ctx.verifyConfigs(cf); err != nil {220		return fmt.Errorf("%vsaved config before olddefconfig to %v", err, outputFileTmp)221	}222	cf.ModToNo()223	config := []byte(fmt.Sprintf(`# Automatically generated by syz-kconf; DO NOT EDIT.224# Kernel: %v %v225%s226%s227`,228		ctx.Inst.Kernel.Repo, ctx.Inst.Kernel.Tag, cf.Serialize(), ctx.Inst.Verbatim))229	return osutil.WriteFile(outputFile, config)230}231func (ctx *Context) executeShell() error {232	for _, shell := range ctx.Inst.Shell {233		if !ctx.Inst.Features.Match(shell.Constraints) {234			continue235		}236		args := strings.Split(shell.Cmd, " ")237		for i := 1; i < len(args); i++ {238			args[i] = ctx.replaceVars(args[i])239		}240		if args[0] == "make" {241			if err := ctx.Make(args[1:]...); err != nil {242				return err243			}244			continue245		}246		if _, err := osutil.RunCmd(10*time.Minute, ctx.SourceDir, args[0], args[1:]...); err != nil {...

parser.go

Source:parser.go

...17	Kernel    Kernel18	Compiler  string19	Linker    string20	Verbatim  []byte21	Shell     []Shell22	Features  Features23	ConfigMap map[string]*Config24	Configs   []*Config25}26type Config struct {27	Name        string28	Value       string29	Optional    bool30	Constraints []string31	File        string32	Line        int33}34type Kernel struct {35	Repo string36	Tag  string37}38type Shell struct {39	Cmd         string40	Constraints []string41}42type Features map[string]bool43func (features Features) Match(constraints []string) bool {44	for _, feat := range constraints {45		if feat[0] == '-' {46			if features[feat[1:]] {47				return false48			}49		} else if !features[feat] {50			return false51		}52	}53	return true54}55func constraintsInclude(constraints []string, what string) bool {56	for _, feat := range constraints {57		if feat == what {58			return true59		}60	}61	return false62}63type rawMain struct {64	Instances []map[string][]string65	Includes  []map[string][]string66}67type rawFile struct {68	Kernel struct {69		Repo string70		Tag  string71	}72	Compiler string73	Linker   string74	Shell    []yaml.Node75	Verbatim string76	Config   []yaml.Node77}78func parseMainSpec(file string) ([]*Instance, []string, error) {79	data, err := ioutil.ReadFile(file)80	if err != nil {81		return nil, nil, fmt.Errorf("failed to read config file: %v", err)82	}83	dec := yaml.NewDecoder(bytes.NewReader(data))84	dec.KnownFields(true)85	raw := new(rawMain)86	if err := dec.Decode(raw); err != nil {87		return nil, nil, fmt.Errorf("failed to parse %v: %v", file, err)88	}89	var unusedFeatures []string90	var instances []*Instance91	for _, inst := range raw.Instances {92		for name, features := range inst {93			if name == "_" {94				unusedFeatures = features95				continue96			}97			inst, err := parseInstance(name, filepath.Dir(file), features, raw.Includes)98			if err != nil {99				return nil, nil, fmt.Errorf("%v: %v", name, err)100			}101			instances = append(instances, inst)102			if constraintsInclude(features, featBaseline) {103				continue104			}105			inst, err = parseInstance(name+"-base", filepath.Dir(file), append(features, featBaseline), raw.Includes)106			if err != nil {107				return nil, nil, err108			}109			instances = append(instances, inst)110		}111	}112	return instances, unusedFeatures, nil113}114func parseInstance(name, configDir string, features []string, includes []map[string][]string) (*Instance, error) {115	inst := &Instance{116		Name:      name,117		Features:  make(Features),118		ConfigMap: make(map[string]*Config),119	}120	for _, feat := range features {121		inst.Features[feat] = true122	}123	errs := new(Errors)124	for _, include := range includes {125		for file, features := range include {126			raw, err := parseFile(filepath.Join(configDir, "bits", file))127			if err != nil {128				return nil, err129			}130			if inst.Features.Match(features) {131				mergeFile(inst, raw, file, errs)132			} else if inst.Features[featReduced] && constraintsInclude(features, "-"+featReduced) {133				// For fragments that we exclude because of "reduced" config,134				// we want to disable all configs listed there.135				// For example, if the fragment enables config FOO, and we the defconfig136				// also enabled FOO, we want to disable FOO to get reduced config.137				for _, node := range raw.Config {138					mergeConfig(inst, file, node, true, errs)139				}140			}141		}142	}143	inst.Verbatim = bytes.TrimSpace(inst.Verbatim)144	return inst, errs.err()145}146func parseFile(file string) (*rawFile, error) {147	data, err := ioutil.ReadFile(file)148	if err != nil {149		return nil, fmt.Errorf("failed to read %v: %v", file, err)150	}151	dec := yaml.NewDecoder(bytes.NewReader(data))152	dec.KnownFields(true)153	raw := new(rawFile)154	if err := dec.Decode(raw); err != nil {155		return nil, fmt.Errorf("failed to parse %v: %v", file, err)156	}157	return raw, nil158}159func mergeFile(inst *Instance, raw *rawFile, file string, errs *Errors) {160	if raw.Kernel.Repo != "" || raw.Kernel.Tag != "" {161		if !vcs.CheckRepoAddress(raw.Kernel.Repo) {162			errs.push("%v: bad kernel repo %q", file, raw.Kernel.Repo)163		}164		if !vcs.CheckBranch(raw.Kernel.Tag) {165			errs.push("%v: bad kernel tag %q", file, raw.Kernel.Tag)166		}167		if inst.Kernel.Repo != "" {168			errs.push("%v: kernel is set twice", file)169		}170		inst.Kernel = raw.Kernel171	}172	if raw.Compiler != "" {173		if inst.Compiler != "" {174			errs.push("%v: compiler is set twice", file)175		}176		inst.Compiler = raw.Compiler177	}178	if raw.Linker != "" {179		if inst.Linker != "" {180			errs.push("%v: linker is set twice", file)181		}182		inst.Linker = raw.Linker183	}184	for _, node := range raw.Shell {185		cmd, _, constraints, err := parseNode(node)186		if err != nil {187			errs.push("%v:%v: %v", file, node.Line, err)188		}189		inst.Shell = append(inst.Shell, Shell{190			Cmd:         cmd,191			Constraints: constraints,192		})193	}194	if raw.Verbatim != "" {195		inst.Verbatim = append(append(inst.Verbatim, strings.TrimSpace(raw.Verbatim)...), '\n')196	}197	for _, node := range raw.Config {198		mergeConfig(inst, file, node, false, errs)199	}200}201func mergeConfig(inst *Instance, file string, node yaml.Node, reduced bool, errs *Errors) {202	name, val, constraints, err := parseNode(node)203	if err != nil {...

Shell

Using AI Code Generation

1import (2type (3	User struct {4	}5	UserForm struct {6	}7	UserController struct {8	}9	UserService interface {10		GetByID(int64) *User11		GetByUsername(string) *User12		GetAll() []*User13		Insert(string, string, string, string) error14		Update(int64, string, string, string, string) error15		Delete(int64) error16	}17	UserServiceMock struct {18	}19	UserServiceGorm struct {20	}21var (

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