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How to use ReleaseTag method of vcs Package

Best Syzkaller code snippet using vcs.ReleaseTag

kconf.go

Source:kconf.go

...85			ctx := &Context{86				Inst:       inst1,87				ConfigDir:  filepath.Dir(*flagConfig),88				SourceDir:  *flagSourceDir,89				ReleaseTag: releaseTag,90			}91			go func() {92				if err := ctx.generate(); err != nil {93					results <- fmt.Errorf("%v failed:\n%v", ctx.Inst.Name, err)94				}95				results <- nil96			}()97		}98		for i := 0; i < batch; i++ {99			if err := <-results; err != nil {100				fmt.Printf("%v\n", err)101				failed = true102			}103		}104	}105	if failed {106		tool.Failf("some configs failed")107	}108	if len(generated) == 0 {109		tool.Failf("unknown instance name")110	}111}112func checkConfigs(instances []*Instance, unusedFeatures []string) error {113	allFeatures := make(Features)114	for _, feat := range unusedFeatures {115		allFeatures[feat] = true116	}117	for _, inst := range instances {118		for feat := range inst.Features {119			allFeatures[feat] = true120		}121	}122	dedup := make(map[string]bool)123	errorString := ""124	for _, inst := range instances {125		for _, cfg := range inst.Configs {126			for _, feat := range cfg.Constraints {127				if feat[0] == '-' {128					feat = feat[1:]129				}130				if allFeatures[feat] || releaseRe.MatchString(feat) {131					continue132				}133				msg := fmt.Sprintf("%v:%v: unknown feature %v", cfg.File, cfg.Line, feat)134				if dedup[msg] {135					continue136				}137				dedup[msg] = true138				errorString += "\n" + msg139			}140		}141	}142	if errorString != "" {143		return errors.New(errorString[1:])144	}145	return nil146}147// Generation context for a single instance.148type Context struct {149	Inst       *Instance150	Target     *targets.Target151	Kconf      *kconfig.KConfig152	ConfigDir  string153	BuildDir   string154	SourceDir  string155	ReleaseTag string156}157func (ctx *Context) generate() error {158	var err error159	if ctx.BuildDir, err = ioutil.TempDir("", "syz-kconf"); err != nil {160		return err161	}162	defer os.RemoveAll(ctx.BuildDir)163	if err := ctx.setTarget(); err != nil {164		return err165	}166	if ctx.Kconf, err = kconfig.Parse(ctx.Target, filepath.Join(ctx.SourceDir, "Kconfig")); err != nil {167		return err168	}169	if err := ctx.setReleaseFeatures(); err != nil {170		return err171	}172	if err := ctx.mrProper(); err != nil {173		return err174	}175	if err := ctx.executeShell(); err != nil {176		return err177	}178	configFile := filepath.Join(ctx.BuildDir, ".config")179	cf, err := kconfig.ParseConfig(configFile)180	if err != nil {181		return err182	}183	if !ctx.Inst.Features[featBaseline] {184		if err := ctx.addUSBConfigs(cf); err != nil {185			return err186		}187	}188	ctx.applyConfigs(cf)189	cf.ModToYes()190	// Set all configs that are not present (actually not present, rather than "is not set") to "is not set".191	// This avoids olddefconfig turning on random things we did not ask for.192	for _, cfg := range ctx.Kconf.Configs {193		if (cfg.Type == kconfig.TypeTristate || cfg.Type == kconfig.TypeBool) && cf.Map[cfg.Name] == nil {194			cf.Set(cfg.Name, kconfig.No)195		}196	}197	original := cf.Serialize()198	if err := osutil.WriteFile(configFile, original); err != nil {199		return fmt.Errorf("failed to write .config file: %v", err)200	}201	// Save what we've got before olddefconfig for debugging purposes, it allows to see if we did not set a config,202	// or olddefconfig removed it. Save as .tmp so that it's not checked-in accidentially.203	outputFile := filepath.Join(ctx.ConfigDir, ctx.Inst.Name+".config")204	outputFileTmp := outputFile + ".tmp"205	if err := osutil.WriteFile(outputFileTmp, original); err != nil {206		return fmt.Errorf("failed to write tmp config file: %v", err)207	}208	if err := ctx.Make("olddefconfig"); err != nil {209		return err210	}211	cf, err = kconfig.ParseConfig(configFile)212	if err != nil {213		return err214	}215	if err := ctx.verifyConfigs(cf); err != nil {216		return fmt.Errorf("%vsaved config before olddefconfig to %v", err, outputFileTmp)217	}218	cf.ModToNo()219	config := []byte(fmt.Sprintf(`# Automatically generated by syz-kconf; DO NOT EDIT.220# Kernel: %v %v221%s222%s223`,224		ctx.Inst.Kernel.Repo, ctx.Inst.Kernel.Tag, cf.Serialize(), ctx.Inst.Verbatim))225	return osutil.WriteFile(outputFile, config)226}227func (ctx *Context) executeShell() error {228	for _, shell := range ctx.Inst.Shell {229		if !ctx.Inst.Features.Match(shell.Constraints) {230			continue231		}232		args := strings.Split(shell.Cmd, " ")233		for i := 1; i < len(args); i++ {234			args[i] = ctx.replaceVars(args[i])235		}236		if args[0] == "make" {237			if err := ctx.Make(args[1:]...); err != nil {238				return err239			}240			continue241		}242		if _, err := osutil.RunCmd(10*time.Minute, ctx.SourceDir, args[0], args[1:]...); err != nil {243			return err244		}245	}246	return nil247}248func (ctx *Context) applyConfigs(cf *kconfig.ConfigFile) {249	for _, cfg := range ctx.Inst.Configs {250		if !ctx.Inst.Features.Match(cfg.Constraints) {251			continue252		}253		if cfg.Value != kconfig.No {254			// If this is a choice, first unset all other options.255			// If we leave 2 choice options enabled, the last one will win.256			// It can make sense to move this code to kconfig in some form,257			// it's needed everywhere configs are changed.258			if m := ctx.Kconf.Configs[cfg.Name]; m != nil && m.Parent.Kind == kconfig.MenuChoice {259				for _, choice := range m.Parent.Elems {260					cf.Unset(choice.Name)261				}262			}263		}264		cf.Set(cfg.Name, cfg.Value)265	}266}267func (ctx *Context) verifyConfigs(cf *kconfig.ConfigFile) error {268	errs := new(Errors)269	for _, cfg := range ctx.Inst.Configs {270		act := cf.Value(cfg.Name)271		if act == cfg.Value || cfg.Optional || !ctx.Inst.Features.Match(cfg.Constraints) {272			continue273		}274		if act == kconfig.No {275			errs.push("%v:%v: %v is not present in the final config", cfg.File, cfg.Line, cfg.Name)276		} else if cfg.Value == kconfig.No {277			errs.push("%v:%v: %v is present in the final config", cfg.File, cfg.Line, cfg.Name)278		} else {279			errs.push("%v:%v: %v does not match final config %v vs %v",280				cfg.File, cfg.Line, cfg.Name, cfg.Value, act)281		}282	}283	return errs.err()284}285func (ctx *Context) addUSBConfigs(cf *kconfig.ConfigFile) error {286	prefix := ""287	switch {288	case ctx.Inst.Features[featAndroid]:289		prefix = "android"290	case ctx.Inst.Features[featChromeos]:291		prefix = "chromeos"292	}293	distroConfig := filepath.Join(ctx.ConfigDir, "distros", prefix+"*")294	// Some USB drivers don't depend on any USB related symbols, but rather on a generic symbol295	// for some input subsystem (e.g. HID), so include it as well.296	return ctx.addDependentConfigs(cf, []string{"USB_SUPPORT", "HID"}, distroConfig)297}298func (ctx *Context) addDependentConfigs(dst *kconfig.ConfigFile, include []string, configGlob string) error {299	configFiles, err := filepath.Glob(configGlob)300	if err != nil {301		return err302	}303	includes := func(a []string, b map[string]bool) bool {304		for _, x := range a {305			if b[x] {306				return true307			}308		}309		return false310	}311	selected := make(map[string]bool)312	for _, cfg := range ctx.Kconf.Configs {313		deps := cfg.DependsOn()314		if !includes(include, deps) {315			continue316		}317		selected[cfg.Name] = true318		for dep := range deps {319			selected[dep] = true320		}321	}322	dedup := make(map[string]bool)323	for _, file := range configFiles {324		cf, err := kconfig.ParseConfig(file)325		if err != nil {326			return err327		}328		for _, cfg := range cf.Configs {329			if cfg.Value == kconfig.No || dedup[cfg.Name] || !selected[cfg.Name] {330				continue331			}332			dedup[cfg.Name] = true333			dst.Set(cfg.Name, cfg.Value)334		}335	}336	return nil337}338func (ctx *Context) setTarget() error {339	for _, target := range targets.List[targets.Linux] {340		if ctx.Inst.Features[target.KernelArch] {341			if ctx.Target != nil {342				return fmt.Errorf("arch is set twice")343			}344			ctx.Target = targets.GetEx(targets.Linux, target.Arch, ctx.Inst.Features[featClang])345		}346	}347	if ctx.Target == nil {348		return fmt.Errorf("no arch feature")349	}350	return nil351}352func (ctx *Context) setReleaseFeatures() error {353	tag := ctx.ReleaseTag354	match := releaseRe.FindStringSubmatch(tag)355	if match == nil {356		return fmt.Errorf("bad release tag %q", tag)357	}358	major, err := strconv.ParseInt(match[1], 10, 32)359	if err != nil {360		return fmt.Errorf("bad release tag %q: %v", tag, err)361	}362	minor, err := strconv.ParseInt(match[2], 10, 32)363	if err != nil {364		return fmt.Errorf("bad release tag %q: %v", tag, err)365	}366	for ; major >= 2; major-- {367		for ; minor >= 0; minor-- {...

ReleaseTag

Using AI Code Generation

1import (2func main() {3	r, _ := git.PlainOpen("C:\\Users\\user\\Desktop\\go\\src\\github.com\\src-d\\go-git")4	ref, _ := r.Head()5	commit, _ := r.CommitObject(ref.Hash())6	fmt.Println(commit.Message)7	cIter, _ := r.Log(&git.LogOptions{From: plumbing.NewHash("f0a2e6c")})8	err := cIter.ForEach(func(c *object.Commit) error {9		fmt.Println(c)10	})11}12import (13func main() {14	r, _ := git.PlainOpen("C:\\Users\\user\\Desktop\\go\\src\\github.com\\src-d\\go-git")15	ref, _ := r.Head()16	commit, _ := r.CommitObject(ref.Hash())17	fmt.Println(commit.Message)18	cIter, _ := r.Log(&git.LogOptions{From: plumbing.NewHash("f0a2e6c")})19	err := cIter.ForEach(func(c *object.Commit) error {20		fmt.Println(c)21	})22}23import (24func main() {25	r, _ := git.PlainOpen("C:\\Users\\user\\Desktop\\go\\src\\github.com\\src-d\\go-git")26	ref, _ := r.Head()27	commit, _ := r.CommitObject(ref.Hash())28	fmt.Println(commit.Message)29	cIter, _ := r.Log(&git.Log

ReleaseTag

Using AI Code Generation

1import (2func main() {3	repo, err := vcs.RepoRootForImportPath("golang.org/x/tools", false)4	if err != nil {5		fmt.Println("Error in getting repo root:", err)6	}7	tag := repo.ReleaseTag()8	fmt.Println("Release tag:", tag)9}

ReleaseTag

Using AI Code Generation

1import (2func main() {3    cmd := exec.Command("git", "tag")4    out, err := cmd.Output()5    if err != nil {6        log.Fatal(err)7    }8    fmt.Printf("The date is %s9}

ReleaseTag

Using AI Code Generation

1import (2func main() {3 vcsObj.ReleaseTag()4}5import (6func main() {7 vcsObj.ReleaseTag()8}

ReleaseTag

Using AI Code Generation

1import (2func main() {3    v, err := vcs.New("git", "/home/skaji/work/sandbox/test")4    if err != nil {5        panic(err)6    }7    tag, err := v.ReleaseTag("v1.0.0")8    if err != nil {9        panic(err)10    }11    fmt.Println(tag)12}13import (14func main() {15    v, err := vcs.New("git", "/home/skaji/work/sandbox/test")16    if err != nil {17        panic(err)18    }19    tag, err := v.LatestTag()20    if err != nil {21        panic(err)22    }23    fmt.Println(tag)24}25import (26func main() {27    v, err := vcs.New("git", "/home/skaji/work/sandbox/test")28    if err != nil {29        panic(err)30    }31    tag, err := v.LatestTag("v1")32    if err != nil {33        panic(err)34    }35    fmt.Println(tag)36}37import (38func main() {39    v, err := vcs.New("git", "/home/skaji/work/sandbox/test")40    if err != nil {41        panic(err)42    }43    commit, err := v.LatestCommit("

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