From 09875fe1603307080f3a4172985c5dca3bd9912d Mon Sep 17 00:00:00 2001 From: Duco van Amstel Date: Sun, 18 Nov 2018 17:55:05 +0000 Subject: Update direct dependencies where possible --- vendor/github.com/spf13/pflag/flag.go | 104 ++++++++++++++++++++++++++++------ 1 file changed, 87 insertions(+), 17 deletions(-) (limited to 'vendor/github.com/spf13/pflag/flag.go') diff --git a/vendor/github.com/spf13/pflag/flag.go b/vendor/github.com/spf13/pflag/flag.go index 28538c07..9beeda8e 100644 --- a/vendor/github.com/spf13/pflag/flag.go +++ b/vendor/github.com/spf13/pflag/flag.go @@ -101,6 +101,7 @@ package pflag import ( "bytes" "errors" + goflag "flag" "fmt" "io" "os" @@ -123,6 +124,12 @@ const ( PanicOnError ) +// ParseErrorsWhitelist defines the parsing errors that can be ignored +type ParseErrorsWhitelist struct { + // UnknownFlags will ignore unknown flags errors and continue parsing rest of the flags + UnknownFlags bool +} + // NormalizedName is a flag name that has been normalized according to rules // for the FlagSet (e.g. making '-' and '_' equivalent). type NormalizedName string @@ -138,6 +145,9 @@ type FlagSet struct { // help/usage messages. SortFlags bool + // ParseErrorsWhitelist is used to configure a whitelist of errors + ParseErrorsWhitelist ParseErrorsWhitelist + name string parsed bool actual map[NormalizedName]*Flag @@ -153,6 +163,8 @@ type FlagSet struct { output io.Writer // nil means stderr; use out() accessor interspersed bool // allow interspersed option/non-option args normalizeNameFunc func(f *FlagSet, name string) NormalizedName + + addedGoFlagSets []*goflag.FlagSet } // A Flag represents the state of a flag. @@ -267,16 +279,16 @@ func (f *FlagSet) VisitAll(fn func(*Flag)) { } } -// HasFlags returns a bool to indicate if the FlagSet has any flags definied. +// HasFlags returns a bool to indicate if the FlagSet has any flags defined. func (f *FlagSet) HasFlags() bool { return len(f.formal) > 0 } // HasAvailableFlags returns a bool to indicate if the FlagSet has any flags -// definied that are not hidden or deprecated. +// that are not hidden. func (f *FlagSet) HasAvailableFlags() bool { for _, flag := range f.formal { - if !flag.Hidden && len(flag.Deprecated) == 0 { + if !flag.Hidden { return true } } @@ -386,6 +398,7 @@ func (f *FlagSet) MarkDeprecated(name string, usageMessage string) error { return fmt.Errorf("deprecated message for flag %q must be set", name) } flag.Deprecated = usageMessage + flag.Hidden = true return nil } @@ -586,11 +599,14 @@ func wrapN(i, slop int, s string) (string, string) { return s, "" } - w := strings.LastIndexAny(s[:i], " \t") + w := strings.LastIndexAny(s[:i], " \t\n") if w <= 0 { return s, "" } - + nlPos := strings.LastIndex(s[:i], "\n") + if nlPos > 0 && nlPos < w { + return s[:nlPos], s[nlPos+1:] + } return s[:w], s[w+1:] } @@ -599,7 +615,7 @@ func wrapN(i, slop int, s string) (string, string) { // caller). Pass `w` == 0 to do no wrapping func wrap(i, w int, s string) string { if w == 0 { - return s + return strings.Replace(s, "\n", "\n"+strings.Repeat(" ", i), -1) } // space between indent i and end of line width w into which @@ -617,7 +633,7 @@ func wrap(i, w int, s string) string { } // If still not enough space then don't even try to wrap. if wrap < 24 { - return s + return strings.Replace(s, "\n", r, -1) } // Try to avoid short orphan words on the final line, by @@ -629,14 +645,14 @@ func wrap(i, w int, s string) string { // Handle first line, which is indented by the caller (or the // special case above) l, s = wrapN(wrap, slop, s) - r = r + l + r = r + strings.Replace(l, "\n", "\n"+strings.Repeat(" ", i), -1) // Now wrap the rest for s != "" { var t string t, s = wrapN(wrap, slop, s) - r = r + "\n" + strings.Repeat(" ", i) + t + r = r + "\n" + strings.Repeat(" ", i) + strings.Replace(t, "\n", "\n"+strings.Repeat(" ", i), -1) } return r @@ -653,7 +669,7 @@ func (f *FlagSet) FlagUsagesWrapped(cols int) string { maxlen := 0 f.VisitAll(func(flag *Flag) { - if flag.Deprecated != "" || flag.Hidden { + if flag.Hidden { return } @@ -700,6 +716,9 @@ func (f *FlagSet) FlagUsagesWrapped(cols int) string { line += fmt.Sprintf(" (default %s)", flag.DefValue) } } + if len(flag.Deprecated) != 0 { + line += fmt.Sprintf(" (DEPRECATED: %s)", flag.Deprecated) + } lines = append(lines, line) }) @@ -896,6 +915,28 @@ func (f *FlagSet) usage() { } } +//--unknown (args will be empty) +//--unknown --next-flag ... (args will be --next-flag ...) +//--unknown arg ... (args will be arg ...) +func stripUnknownFlagValue(args []string) []string { + if len(args) == 0 { + //--unknown + return args + } + + first := args[0] + if len(first) > 0 && first[0] == '-' { + //--unknown --next-flag ... + return args + } + + //--unknown arg ... (args will be arg ...) + if len(args) > 1 { + return args[1:] + } + return nil +} + func (f *FlagSet) parseLongArg(s string, args []string, fn parseFunc) (a []string, err error) { a = args name := s[2:] @@ -907,13 +948,24 @@ func (f *FlagSet) parseLongArg(s string, args []string, fn parseFunc) (a []strin split := strings.SplitN(name, "=", 2) name = split[0] flag, exists := f.formal[f.normalizeFlagName(name)] + if !exists { - if name == "help" { // special case for nice help message. + switch { + case name == "help": f.usage() return a, ErrHelp + case f.ParseErrorsWhitelist.UnknownFlags: + // --unknown=unknownval arg ... + // we do not want to lose arg in this case + if len(split) >= 2 { + return a, nil + } + + return stripUnknownFlagValue(a), nil + default: + err = f.failf("unknown flag: --%s", name) + return } - err = f.failf("unknown flag: --%s", name) - return } var value string @@ -941,23 +993,36 @@ func (f *FlagSet) parseLongArg(s string, args []string, fn parseFunc) (a []strin } func (f *FlagSet) parseSingleShortArg(shorthands string, args []string, fn parseFunc) (outShorts string, outArgs []string, err error) { + outArgs = args + if strings.HasPrefix(shorthands, "test.") { return } - outArgs = args outShorts = shorthands[1:] c := shorthands[0] flag, exists := f.shorthands[c] if !exists { - if c == 'h' { // special case for nice help message. + switch { + case c == 'h': f.usage() err = ErrHelp return + case f.ParseErrorsWhitelist.UnknownFlags: + // '-f=arg arg ...' + // we do not want to lose arg in this case + if len(shorthands) > 2 && shorthands[1] == '=' { + outShorts = "" + return + } + + outArgs = stripUnknownFlagValue(outArgs) + return + default: + err = f.failf("unknown shorthand flag: %q in -%s", c, shorthands) + return } - err = f.failf("unknown shorthand flag: %q in -%s", c, shorthands) - return } var value string @@ -1044,6 +1109,11 @@ func (f *FlagSet) parseArgs(args []string, fn parseFunc) (err error) { // are defined and before flags are accessed by the program. // The return value will be ErrHelp if -help was set but not defined. func (f *FlagSet) Parse(arguments []string) error { + if f.addedGoFlagSets != nil { + for _, goFlagSet := range f.addedGoFlagSets { + goFlagSet.Parse(nil) + } + } f.parsed = true if len(arguments) < 0 { -- cgit v1.2.3