go: go get -u ./... && go mod vendor && go mod tidy

Signed-off-by: Vincent Batts <vbatts@hashbangbash.com>

vendor/github.com/sirupsen/logrus/README.md

@@ -9,7 +9,7 @@ the last thing you want from your Logging library (again...).
 
 This does not mean Logrus is dead. Logrus will continue to be maintained for
 security, (backwards compatible) bug fixes, and performance (where we are
-limited by the interface). 
+limited by the interface).
 
 I believe Logrus' biggest contribution is to have played a part in today's
 widespread use of structured logging in Golang. There doesn't seem to be a
@@ -43,7 +43,7 @@ plain text):
 With `log.SetFormatter(&log.JSONFormatter{})`, for easy parsing by logstash
 or Splunk:
 
-```json
+```text
 {"animal":"walrus","level":"info","msg":"A group of walrus emerges from the
 ocean","size":10,"time":"2014-03-10 19:57:38.562264131 -0400 EDT"}
 
@@ -99,7 +99,7 @@ time="2015-03-26T01:27:38-04:00" level=fatal method=github.com/sirupsen/arcticcr
 ```
 Note that this does add measurable overhead - the cost will depend on the version of Go, but is
 between 20 and 40% in recent tests with 1.6 and 1.7.  You can validate this in your
-environment via benchmarks: 
+environment via benchmarks:
 ```
 go test -bench=.*CallerTracing
 ```
@@ -317,6 +317,8 @@ log.SetLevel(log.InfoLevel)
 It may be useful to set `log.Level = logrus.DebugLevel` in a debug or verbose
 environment if your application has that.
 
+Note: If you want different log levels for global (`log.SetLevel(...)`) and syslog logging, please check the [syslog hook README](hooks/syslog/README.md#different-log-levels-for-local-and-remote-logging).
+
 #### Entries
 
 Besides the fields added with `WithField` or `WithFields` some fields are

vendor/github.com/sirupsen/logrus/writer.go

@@ -4,6 +4,7 @@ import (
 	"bufio"
 	"io"
 	"runtime"
+	"strings"
 )
 
 // Writer at INFO level. See WriterLevel for details.
@@ -20,15 +21,18 @@ func (logger *Logger) WriterLevel(level Level) *io.PipeWriter {
 	return NewEntry(logger).WriterLevel(level)
 }
 
+// Writer returns an io.Writer that writes to the logger at the info log level
 func (entry *Entry) Writer() *io.PipeWriter {
 	return entry.WriterLevel(InfoLevel)
 }
 
+// WriterLevel returns an io.Writer that writes to the logger at the given log level
 func (entry *Entry) WriterLevel(level Level) *io.PipeWriter {
 	reader, writer := io.Pipe()
 
 	var printFunc func(args ...interface{})
 
+	// Determine which log function to use based on the specified log level
 	switch level {
 	case TraceLevel:
 		printFunc = entry.Trace
@@ -48,23 +52,51 @@ func (entry *Entry) WriterLevel(level Level) *io.PipeWriter {
 		printFunc = entry.Print
 	}
 
+	// Start a new goroutine to scan the input and write it to the logger using the specified print function.
+	// It splits the input into chunks of up to 64KB to avoid buffer overflows.
 	go entry.writerScanner(reader, printFunc)
+
+	// Set a finalizer function to close the writer when it is garbage collected
 	runtime.SetFinalizer(writer, writerFinalizer)
 
 	return writer
 }
 
+// writerScanner scans the input from the reader and writes it to the logger
 func (entry *Entry) writerScanner(reader *io.PipeReader, printFunc func(args ...interface{})) {
 	scanner := bufio.NewScanner(reader)
-	for scanner.Scan() {
-		printFunc(scanner.Text())
+
+	// Set the buffer size to the maximum token size to avoid buffer overflows
+	scanner.Buffer(make([]byte, bufio.MaxScanTokenSize), bufio.MaxScanTokenSize)
+
+	// Define a split function to split the input into chunks of up to 64KB
+	chunkSize := bufio.MaxScanTokenSize // 64KB
+	splitFunc := func(data []byte, atEOF bool) (int, []byte, error) {
+		if len(data) >= chunkSize {
+			return chunkSize, data[:chunkSize], nil
+		}
+
+		return bufio.ScanLines(data, atEOF)
 	}
+
+	// Use the custom split function to split the input
+	scanner.Split(splitFunc)
+
+	// Scan the input and write it to the logger using the specified print function
+	for scanner.Scan() {
+		printFunc(strings.TrimRight(scanner.Text(), "\r\n"))
+	}
+
+	// If there was an error while scanning the input, log an error
 	if err := scanner.Err(); err != nil {
 		entry.Errorf("Error while reading from Writer: %s", err)
 	}
+
+	// Close the reader when we are done
 	reader.Close()
 }
 
+// WriterFinalizer is a finalizer function that closes then given writer when it is garbage collected
 func writerFinalizer(writer *io.PipeWriter) {
 	writer.Close()
 }

vendor/github.com/urfave/cli/v2/app.go

@@ -332,11 +332,18 @@ func (a *App) RunContext(ctx context.Context, arguments []string) (err error) {
 	return a.rootCommand.Run(cCtx, arguments...)
 }
 
-// This is a stub function to keep public API unchanged from old code
-//
-// Deprecated: use App.Run or App.RunContext
+// RunAsSubcommand is for legacy/compatibility purposes only. New code should only
+// use App.RunContext. This function is slated to be removed in v3.
 func (a *App) RunAsSubcommand(ctx *Context) (err error) {
-	return a.RunContext(ctx.Context, ctx.Args().Slice())
+	a.Setup()
+
+	cCtx := NewContext(a, nil, ctx)
+	cCtx.shellComplete = ctx.shellComplete
+
+	a.rootCommand = a.newRootCommand()
+	cCtx.Command = a.rootCommand
+
+	return a.rootCommand.Run(cCtx, ctx.Args().Slice()...)
 }
 
 func (a *App) suggestFlagFromError(err error, command string) (string, error) {

vendor/github.com/urfave/cli/v2/command.go

@@ -135,6 +135,7 @@ func (c *Command) setup(ctx *Context) {
 		if scmd.HelpName == "" {
 			scmd.HelpName = fmt.Sprintf("%s %s", c.HelpName, scmd.Name)
 		}
+		scmd.separator = c.separator
 		newCmds = append(newCmds, scmd)
 	}
 	c.Subcommands = newCmds

vendor/github.com/urfave/cli/v2/context.go

@@ -56,6 +56,7 @@ func (cCtx *Context) Set(name, value string) error {
 
 // IsSet determines if the flag was actually set
 func (cCtx *Context) IsSet(name string) bool {
+
 	if fs := cCtx.lookupFlagSet(name); fs != nil {
 		isSet := false
 		fs.Visit(func(f *flag.Flag) {
@@ -72,7 +73,23 @@ func (cCtx *Context) IsSet(name string) bool {
 			return false
 		}
 
-		return f.IsSet()
+		if f.IsSet() {
+			return true
+		}
+
+		// now redo flagset search on aliases
+		aliases := f.Names()
+		fs.Visit(func(f *flag.Flag) {
+			for _, alias := range aliases {
+				if f.Name == alias {
+					isSet = true
+				}
+			}
+		})
+
+		if isSet {
+			return true
+		}
 	}
 
 	return false
@@ -204,9 +221,10 @@ func (cCtx *Context) checkRequiredFlags(flags []Flag) requiredFlagsErr {
 			var flagPresent bool
 			var flagName string
 
-			for _, key := range f.Names() {
-				flagName = key
+			flagNames := f.Names()
+			flagName = flagNames[0]
 
+			for _, key := range flagNames {
 				if cCtx.IsSet(strings.TrimSpace(key)) {
 					flagPresent = true
 				}

vendor/github.com/urfave/cli/v2/docs.go

@@ -153,9 +153,14 @@ func prepareFlags(
 // flagDetails returns a string containing the flags metadata
 func flagDetails(flag DocGenerationFlag) string {
 	description := flag.GetUsage()
-	value := flag.GetValue()
-	if value != "" {
-		description += " (default: " + value + ")"
+	if flag.TakesValue() {
+		defaultText := flag.GetDefaultText()
+		if defaultText == "" {
+			defaultText = flag.GetValue()
+		}
+		if defaultText != "" {
+			description += " (default: " + defaultText + ")"
+		}
 	}
 	return ": " + description
 }

vendor/github.com/urfave/cli/v2/flag_bool.go

@@ -52,7 +52,7 @@ func (b *boolValue) String() string {
 func (b *boolValue) IsBoolFlag() bool { return true }
 
 func (b *boolValue) Count() int {
-	if b.count != nil {
+	if b.count != nil && *b.count > 0 {
 		return *b.count
 	}
 	return 0
@@ -130,6 +130,11 @@ func (f *BoolFlag) Apply(set *flag.FlagSet) error {
 	if count == nil {
 		count = new(int)
 	}
+
+	// since count will be incremented for each alias as well
+	// subtract number of aliases from overall count
+	*count -= len(f.Aliases)
+
 	if dest == nil {
 		dest = new(bool)
 	}

vendor/github.com/urfave/cli/v2/flag_generic.go

@@ -117,13 +117,8 @@ func (cCtx *Context) Generic(name string) interface{} {
 }
 
 func lookupGeneric(name string, set *flag.FlagSet) interface{} {
-	f := set.Lookup(name)
-	if f != nil {
-		parsed, err := f.Value, error(nil)
-		if err != nil {
-			return nil
-		}
-		return parsed
+	if f := set.Lookup(name); f != nil {
+		return f.Value
 	}
 	return nil
 }

vendor/github.com/urfave/cli/v2/flag_path.go

@@ -90,13 +90,8 @@ func (cCtx *Context) Path(name string) string {
 }
 
 func lookupPath(name string, set *flag.FlagSet) string {
-	f := set.Lookup(name)
-	if f != nil {
-		parsed, err := f.Value.String(), error(nil)
-		if err != nil {
-			return ""
-		}
-		return parsed
+	if f := set.Lookup(name); f != nil {
+		return f.Value.String()
 	}
 	return ""
 }

vendor/github.com/urfave/cli/v2/flag_string.go

@@ -87,10 +87,8 @@ func (cCtx *Context) String(name string) string {
 }
 
 func lookupString(name string, set *flag.FlagSet) string {
-	f := set.Lookup(name)
-	if f != nil {
-		parsed := f.Value.String()
-		return parsed
+	if f := set.Lookup(name); f != nil {
+		return f.Value.String()
 	}
 	return ""
 }

vendor/github.com/urfave/cli/v2/flag_timestamp.go

@@ -145,11 +145,6 @@ func (f *TimestampFlag) Apply(set *flag.FlagSet) error {
 
 	f.defaultValue = f.Value.clone()
 
-	if f.Destination != nil {
-		f.Destination.SetLayout(f.Layout)
-		f.Destination.SetLocation(f.Timezone)
-	}
-
 	if val, source, found := flagFromEnvOrFile(f.EnvVars, f.FilePath); found {
 		if err := f.Value.Set(val); err != nil {
 			return fmt.Errorf("could not parse %q as timestamp value from %s for flag %s: %s", val, source, f.Name, err)
@@ -157,6 +152,10 @@ func (f *TimestampFlag) Apply(set *flag.FlagSet) error {
 		f.HasBeenSet = true
 	}
 
+	if f.Destination != nil {
+		*f.Destination = *f.Value
+	}
+
 	for _, name := range f.Names() {
 		if f.Destination != nil {
 			set.Var(f.Destination, name, f.Usage)

vendor/github.com/urfave/cli/v2/godoc-current.txt

@@ -141,7 +141,7 @@ USAGE:
 DESCRIPTION:
    {{template "descriptionTemplate" .}}{{end}}{{if .VisibleCommands}}
 
-COMMANDS:{{template "visibleCommandTemplate" .}}{{end}}{{if .VisibleFlagCategories}}
+COMMANDS:{{template "visibleCommandCategoryTemplate" .}}{{end}}{{if .VisibleFlagCategories}}
 
 OPTIONS:{{template "visibleFlagCategoryTemplate" .}}{{else if .VisibleFlags}}
 
@@ -357,9 +357,8 @@ func (a *App) RunAndExitOnError()
     code in the cli.ExitCoder
 
 func (a *App) RunAsSubcommand(ctx *Context) (err error)
-    This is a stub function to keep public API unchanged from old code
-
-    Deprecated: use App.Run or App.RunContext
+    RunAsSubcommand is for legacy/compatibility purposes only. New code should
+    only use App.RunContext. This function is slated to be removed in v3.
 
 func (a *App) RunContext(ctx context.Context, arguments []string) (err error)
     RunContext is like Run except it takes a Context that will be passed to

vendor/github.com/urfave/cli/v2/help.go

@@ -42,6 +42,7 @@ var helpCommand = &Command{
 		// 3 $ app foo
 		// 4 $ app help foo
 		// 5 $ app foo help
+		// 6 $ app foo -h (with no other sub-commands nor flags defined)
 
 		// Case 4. when executing a help command set the context to parent
 		// to allow resolution of subsequent args. This will transform
@@ -77,6 +78,8 @@ var helpCommand = &Command{
 			HelpPrinter(cCtx.App.Writer, templ, cCtx.Command)
 			return nil
 		}
+
+		// Case 6, handling incorporated in the callee itself
 		return ShowSubcommandHelp(cCtx)
 	},
 }
@@ -206,9 +209,15 @@ func printFlagSuggestions(lastArg string, flags []Flag, writer io.Writer) {
 
 func DefaultCompleteWithFlags(cmd *Command) func(cCtx *Context) {
 	return func(cCtx *Context) {
-		if len(os.Args) > 2 {
-			lastArg := os.Args[len(os.Args)-2]
+		var lastArg string
 
+		// TODO: This shouldnt depend on os.Args rather it should
+		// depend on root arguments passed to App
+		if len(os.Args) > 2 {
+			lastArg = os.Args[len(os.Args)-2]
+		}
+
+		if lastArg != "" {
 			if strings.HasPrefix(lastArg, "-") {
 				if cmd != nil {
 					printFlagSuggestions(lastArg, cmd.Flags, cCtx.App.Writer)
@@ -292,8 +301,12 @@ func ShowSubcommandHelp(cCtx *Context) error {
 	if cCtx == nil {
 		return nil
 	}
-
-	HelpPrinter(cCtx.App.Writer, SubcommandHelpTemplate, cCtx.Command)
+	// use custom template when provided (fixes #1703)
+	templ := SubcommandHelpTemplate
+	if cCtx.Command != nil && cCtx.Command.CustomHelpTemplate != "" {
+		templ = cCtx.Command.CustomHelpTemplate
+	}
+	HelpPrinter(cCtx.App.Writer, templ, cCtx.Command)
 	return nil
 }
 

vendor/github.com/urfave/cli/v2/template.go

@@ -88,7 +88,7 @@ USAGE:
 DESCRIPTION:
    {{template "descriptionTemplate" .}}{{end}}{{if .VisibleCommands}}
 
-COMMANDS:{{template "visibleCommandTemplate" .}}{{end}}{{if .VisibleFlagCategories}}
+COMMANDS:{{template "visibleCommandCategoryTemplate" .}}{{end}}{{if .VisibleFlagCategories}}
 
 OPTIONS:{{template "visibleFlagCategoryTemplate" .}}{{else if .VisibleFlags}}