How to use EmitUsage method of command Package

Best Ginkgo code snippet using command.EmitUsage

program.go

Source:program.go Github

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...44 if details.Error != nil {45 fmt.Fprintln(p.ErrWriter, formatter.F("{{red}}{{bold}}%s %s{{/}} {{red}}failed{{/}}", p.Name, command.Name))46 fmt.Fprintln(p.ErrWriter, formatter.Fi(1, details.Error.Error()))47 }48 if details.EmitUsage {49 if details.Error != nil {50 fmt.Fprintln(p.ErrWriter, "")51 }52 command.EmitUsage(p.ErrWriter)53 }54 exitCode = details.ExitCode55 }56 command.Flags.ValidateDeprecations(deprecationTracker)57 if deprecationTracker.DidTrackDeprecations() {58 fmt.Fprintln(p.ErrWriter, deprecationTracker.DeprecationsReport())59 }60 p.Exiter(exitCode)61 return62 }()63 args, additionalArgs := []string{}, []string{}64 foundDelimiter := false65 for _, arg := range osArgs[1:] {66 if !foundDelimiter {67 if arg == "--" {68 foundDelimiter = true69 continue70 }71 }72 if foundDelimiter {73 additionalArgs = append(additionalArgs, arg)74 } else {75 args = append(args, arg)76 }77 }78 command = p.DefaultCommand79 if len(args) > 0 {80 p.handleHelpRequestsAndExit(p.OutWriter, args)81 if command.Name == args[0] {82 args = args[1:]83 } else {84 for _, deprecatedCommand := range p.DeprecatedCommands {85 if deprecatedCommand.Name == args[0] {86 deprecationTracker.TrackDeprecation(deprecatedCommand.Deprecation)87 return88 }89 }90 for _, tryCommand := range p.Commands {91 if tryCommand.Name == args[0] {92 command, args = tryCommand, args[1:]93 break94 }95 }96 }97 }98 command.Run(args, additionalArgs)99}100func (p Program) handleHelpRequestsAndExit(writer io.Writer, args []string) {101 if len(args) == 0 {102 return103 }104 matchesHelpFlag := func(args ...string) bool {105 for _, arg := range args {106 if arg == "--help" || arg == "-help" || arg == "-h" || arg == "--h" {107 return true108 }109 }110 return false111 }112 if len(args) == 1 {113 if args[0] == "help" || matchesHelpFlag(args[0]) {114 p.EmitUsage(writer)115 Abort(AbortDetails{})116 }117 } else {118 var name string119 if args[0] == "help" || matchesHelpFlag(args[0]) {120 name = args[1]121 } else if matchesHelpFlag(args[1:]...) {122 name = args[0]123 } else {124 return125 }126 if p.DefaultCommand.Name == name || p.Name == name {127 p.DefaultCommand.EmitUsage(writer)128 Abort(AbortDetails{})129 }130 for _, command := range p.Commands {131 if command.Name == name {132 command.EmitUsage(writer)133 Abort(AbortDetails{})134 }135 }136 fmt.Fprintln(writer, formatter.F("{{red}}Unknown Command: {{bold}}%s{{/}}", name))137 fmt.Fprintln(writer, "")138 p.EmitUsage(writer)139 Abort(AbortDetails{ExitCode: 1})140 }141 return142}143func (p Program) EmitUsage(writer io.Writer) {144 fmt.Fprintln(writer, formatter.F(p.Heading))145 fmt.Fprintln(writer, formatter.F("{{gray}}%s{{/}}", strings.Repeat("-", len(p.Heading))))146 fmt.Fprintln(writer, formatter.F("For usage information for a command, run {{bold}}%s help COMMAND{{/}}.", p.Name))147 fmt.Fprintln(writer, formatter.F("For usage information for the default command, run {{bold}}%s help %s{{/}} or {{bold}}%s help %s{{/}}.", p.Name, p.Name, p.Name, p.DefaultCommand.Name))148 fmt.Fprintln(writer, "")149 fmt.Fprintln(writer, formatter.F("The following commands are available:"))150 fmt.Fprintln(writer, formatter.Fi(1, "{{bold}}%s{{/}} or %s {{bold}}%s{{/}} - {{gray}}%s{{/}}", p.Name, p.Name, p.DefaultCommand.Name, p.DefaultCommand.Usage))151 if p.DefaultCommand.ShortDoc != "" {152 fmt.Fprintln(writer, formatter.Fi(2, p.DefaultCommand.ShortDoc))153 }154 for _, command := range p.Commands {155 fmt.Fprintln(writer, formatter.Fi(1, "{{bold}}%s{{/}} - {{gray}}%s{{/}}", command.Name, command.Usage))156 if command.ShortDoc != "" {157 fmt.Fprintln(writer, formatter.Fi(2, command.ShortDoc))...

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abort_test.go

Source:abort_test.go Github

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...9 It("panics when called", func() {10 details := command.AbortDetails{11 ExitCode: 1,12 Error: fmt.Errorf("boom"),13 EmitUsage: true,14 }15 Ω(func() {16 command.Abort(details)17 }).Should(PanicWith(details))18 })19 Describe("AbortWith", func() {20 It("aborts with a formatted error", func() {21 Ω(func() {22 command.AbortWith("boom %d %s", 17, "bam!")23 }).Should(PanicWith(command.AbortDetails{24 ExitCode: 1,25 Error: fmt.Errorf("boom 17 bam!"),26 EmitUsage: false,27 }))28 })29 })30 Describe("AbortWithUsage", func() {31 It("aborts with a formatted error and sets usage to true", func() {32 Ω(func() {33 command.AbortWithUsage("boom %d %s", 17, "bam!")34 }).Should(PanicWith(command.AbortDetails{35 ExitCode: 1,36 Error: fmt.Errorf("boom 17 bam!"),37 EmitUsage: true,38 }))39 })40 })41 Describe("AbortIfError", func() {42 Context("with a nil error", func() {43 It("does not abort", func() {44 Ω(func() {45 command.AbortIfError("boom boom?", nil)46 }).ShouldNot(Panic())47 })48 })49 Context("with a non-nil error", func() {50 It("does aborts, tacking on the message", func() {51 Ω(func() {52 command.AbortIfError("boom boom?", fmt.Errorf("kaboom!"))53 }).Should(PanicWith(command.AbortDetails{54 ExitCode: 1,55 Error: fmt.Errorf("boom boom?\nkaboom!"),56 EmitUsage: false,57 }))58 })59 })60 })61 Describe("AbortIfErrors", func() {62 Context("with an empty errors", func() {63 It("does not abort", func() {64 Ω(func() {65 command.AbortIfErrors("boom boom?", []error{})66 }).ShouldNot(Panic())67 })68 })69 Context("with non-nil errors", func() {70 It("does aborts, tacking on the messages", func() {71 Ω(func() {72 command.AbortIfErrors("boom boom?", []error{fmt.Errorf("kaboom!\n"), fmt.Errorf("kababoom!!\n")})73 }).Should(PanicWith(command.AbortDetails{74 ExitCode: 1,75 Error: fmt.Errorf("boom boom?\nkaboom!\nkababoom!!\n"),76 EmitUsage: false,77 }))78 })79 })80 })81})...

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EmitUsage

Using AI Code Generation

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1import (2func main() {3 app := cli.NewApp()4 app.Action = func(c *cli.Context) {5 fmt.Println("boom! I say!")6 }7 app.Run(os.Args)8}9import (10func main() {11 app := cli.NewApp()12 app.Action = func(c *cli.Context) {13 fmt.Println("boom! I say!")14 }15 app.Flags = []cli.Flag{16 cli.StringFlag{"lang, l", "english", "language for the greeting"},17 }18 app.Run(os.Args)19}20import (21func main() {22 app := cli.NewApp()23 app.Action = func(c *cli.Context) {24 fmt.Println("boom! I say!")25 }26 app.Flags = []cli.Flag{

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EmitUsage

Using AI Code Generation

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1import (2type Options struct {3}4var parser = flags.NewParser(&options, flags.Default)5func main() {6 fmt.Println("Hello, playground")7 _, err := parser.ParseArgs([]string{"-v"})8 if err != nil {9 fmt.Println(err)10 }11}12import (13type Options struct {14}15var parser = flags.NewParser(&options, flags.Default)16func main() {17 fmt.Println("Hello, playground")18 _, err := parser.ParseArgs([]string{"-v"})19 if err != nil {20 fmt.Println(err)21 }22 parser.EmitUsage()23}24import (25type Options struct {26}27var parser = flags.NewParser(&options, flags.Default)28func main() {29 fmt.Println("Hello, playground")30 _, err := parser.ParseArgs([]string{"-v"})31 if err != nil {32 fmt.Println(err)33 }34 parser.EmitUsage()35}36import (37type Options struct {38}39var parser = flags.NewParser(&options, flags.Default)40func main() {41 fmt.Println("Hello, playground")42 _, err := parser.ParseArgs([]string{"-v"})43 if err != nil {44 fmt.Println(err)45 }46 parser.EmitUsage()47}48import (49type Options struct {

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EmitUsage

Using AI Code Generation

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1func main() {2 cmd := command.NewCommand()3 cmd.EmitUsage()4}5func main() {6 cmd := command.NewCommand()7 cmd.EmitUsage()8}9func main() {10 cmd := command.NewCommand()11 cmd.EmitUsage()12}13func main() {14 cmd := command.NewCommand()15 cmd.EmitUsage()16}17func main() {18 cmd := command.NewCommand()19 cmd.EmitUsage()20}21func main() {22 cmd := command.NewCommand()23 cmd.EmitUsage()24}25func main() {26 cmd := command.NewCommand()27 cmd.EmitUsage()28}29func main() {30 cmd := command.NewCommand()31 cmd.EmitUsage()32}33func main() {34 cmd := command.NewCommand()35 cmd.EmitUsage()36}37func main() {38 cmd := command.NewCommand()39 cmd.EmitUsage()40}41func main() {42 cmd := command.NewCommand()43 cmd.EmitUsage()44}45func main() {46 cmd := command.NewCommand()47 cmd.EmitUsage()48}49func main() {50 cmd := command.NewCommand()51 cmd.EmitUsage()52}53func main() {54 cmd := command.NewCommand()55 cmd.EmitUsage()56}57func main() {

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EmitUsage

Using AI Code Generation

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1func main() {2 var cmd = &command.Command{3 Run: func(cmd *command.Command, args []string) {4 fmt.Println("Command1 called")5 },6 }7 cmd.EmitUsage()8}

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