forked from forgejo/forgejo
Added all required dependencies
This commit is contained in:
Thomas Boerger
parent
78f86abba4
commit
1ebb35b988
660 changed files with 502447 additions and 0 deletions
636
vendor/github.com/urfave/cli/flag.go
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vendored
Normal file
636
vendor/github.com/urfave/cli/flag.go
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vendored
Normal file
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@ -0,0 +1,636 @@
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package cli
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import (
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"flag"
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"fmt"
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"os"
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"reflect"
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"runtime"
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"strconv"
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"strings"
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"time"
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)
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const defaultPlaceholder = "value"
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// BashCompletionFlag enables bash-completion for all commands and subcommands
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var BashCompletionFlag = BoolFlag{
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Name: "generate-bash-completion",
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Hidden: true,
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}
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// VersionFlag prints the version for the application
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var VersionFlag = BoolFlag{
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Name: "version, v",
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Usage: "print the version",
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}
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// HelpFlag prints the help for all commands and subcommands
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// Set to the zero value (BoolFlag{}) to disable flag -- keeps subcommand
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// unless HideHelp is set to true)
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var HelpFlag = BoolFlag{
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Name: "help, h",
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Usage: "show help",
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}
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// FlagStringer converts a flag definition to a string. This is used by help
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// to display a flag.
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var FlagStringer FlagStringFunc = stringifyFlag
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// FlagsByName is a slice of Flag.
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type FlagsByName []Flag
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func (f FlagsByName) Len() int {
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return len(f)
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}
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func (f FlagsByName) Less(i, j int) bool {
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return f[i].GetName() < f[j].GetName()
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}
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func (f FlagsByName) Swap(i, j int) {
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f[i], f[j] = f[j], f[i]
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}
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// Flag is a common interface related to parsing flags in cli.
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// For more advanced flag parsing techniques, it is recommended that
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// this interface be implemented.
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type Flag interface {
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fmt.Stringer
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// Apply Flag settings to the given flag set
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Apply(*flag.FlagSet)
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GetName() string
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}
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func flagSet(name string, flags []Flag) *flag.FlagSet {
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set := flag.NewFlagSet(name, flag.ContinueOnError)
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for _, f := range flags {
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f.Apply(set)
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}
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return set
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}
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func eachName(longName string, fn func(string)) {
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parts := strings.Split(longName, ",")
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for _, name := range parts {
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name = strings.Trim(name, " ")
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fn(name)
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}
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}
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// Generic is a generic parseable type identified by a specific flag
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type Generic interface {
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Set(value string) error
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String() string
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}
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// Apply takes the flagset and calls Set on the generic flag with the value
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// provided by the user for parsing by the flag
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func (f GenericFlag) Apply(set *flag.FlagSet) {
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val := f.Value
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if f.EnvVar != "" {
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for _, envVar := range strings.Split(f.EnvVar, ",") {
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envVar = strings.TrimSpace(envVar)
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if envVal := os.Getenv(envVar); envVal != "" {
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val.Set(envVal)
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break
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}
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}
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}
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eachName(f.Name, func(name string) {
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set.Var(f.Value, name, f.Usage)
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})
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}
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// StringSlice is an opaque type for []string to satisfy flag.Value
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type StringSlice []string
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// Set appends the string value to the list of values
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func (f *StringSlice) Set(value string) error {
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*f = append(*f, value)
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return nil
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}
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// String returns a readable representation of this value (for usage defaults)
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func (f *StringSlice) String() string {
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return fmt.Sprintf("%s", *f)
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}
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// Value returns the slice of strings set by this flag
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func (f *StringSlice) Value() []string {
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return *f
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}
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// Apply populates the flag given the flag set and environment
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func (f StringSliceFlag) Apply(set *flag.FlagSet) {
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if f.EnvVar != "" {
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for _, envVar := range strings.Split(f.EnvVar, ",") {
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envVar = strings.TrimSpace(envVar)
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if envVal := os.Getenv(envVar); envVal != "" {
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newVal := &StringSlice{}
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for _, s := range strings.Split(envVal, ",") {
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s = strings.TrimSpace(s)
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newVal.Set(s)
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}
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f.Value = newVal
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break
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}
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}
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}
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eachName(f.Name, func(name string) {
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if f.Value == nil {
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f.Value = &StringSlice{}
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}
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set.Var(f.Value, name, f.Usage)
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})
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}
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// IntSlice is an opaque type for []int to satisfy flag.Value
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type IntSlice []int
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// Set parses the value into an integer and appends it to the list of values
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func (f *IntSlice) Set(value string) error {
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tmp, err := strconv.Atoi(value)
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if err != nil {
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return err
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}
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*f = append(*f, tmp)
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return nil
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}
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// String returns a readable representation of this value (for usage defaults)
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func (f *IntSlice) String() string {
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return fmt.Sprintf("%#v", *f)
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}
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// Value returns the slice of ints set by this flag
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func (f *IntSlice) Value() []int {
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return *f
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}
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// Apply populates the flag given the flag set and environment
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func (f IntSliceFlag) Apply(set *flag.FlagSet) {
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if f.EnvVar != "" {
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for _, envVar := range strings.Split(f.EnvVar, ",") {
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envVar = strings.TrimSpace(envVar)
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if envVal := os.Getenv(envVar); envVal != "" {
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newVal := &IntSlice{}
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for _, s := range strings.Split(envVal, ",") {
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s = strings.TrimSpace(s)
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err := newVal.Set(s)
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if err != nil {
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fmt.Fprintf(ErrWriter, err.Error())
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}
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}
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f.Value = newVal
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break
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}
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}
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}
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eachName(f.Name, func(name string) {
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if f.Value == nil {
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f.Value = &IntSlice{}
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}
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set.Var(f.Value, name, f.Usage)
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})
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}
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// Int64Slice is an opaque type for []int to satisfy flag.Value
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type Int64Slice []int64
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// Set parses the value into an integer and appends it to the list of values
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func (f *Int64Slice) Set(value string) error {
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tmp, err := strconv.ParseInt(value, 10, 64)
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if err != nil {
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return err
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}
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*f = append(*f, tmp)
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return nil
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}
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// String returns a readable representation of this value (for usage defaults)
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func (f *Int64Slice) String() string {
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return fmt.Sprintf("%#v", *f)
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}
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// Value returns the slice of ints set by this flag
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func (f *Int64Slice) Value() []int64 {
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return *f
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}
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// Apply populates the flag given the flag set and environment
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func (f Int64SliceFlag) Apply(set *flag.FlagSet) {
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if f.EnvVar != "" {
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for _, envVar := range strings.Split(f.EnvVar, ",") {
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envVar = strings.TrimSpace(envVar)
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if envVal := os.Getenv(envVar); envVal != "" {
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newVal := &Int64Slice{}
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for _, s := range strings.Split(envVal, ",") {
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s = strings.TrimSpace(s)
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err := newVal.Set(s)
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if err != nil {
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fmt.Fprintf(ErrWriter, err.Error())
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}
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}
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f.Value = newVal
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break
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}
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}
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}
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eachName(f.Name, func(name string) {
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if f.Value == nil {
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f.Value = &Int64Slice{}
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}
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set.Var(f.Value, name, f.Usage)
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})
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}
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// Apply populates the flag given the flag set and environment
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func (f BoolFlag) Apply(set *flag.FlagSet) {
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val := false
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if f.EnvVar != "" {
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for _, envVar := range strings.Split(f.EnvVar, ",") {
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envVar = strings.TrimSpace(envVar)
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if envVal := os.Getenv(envVar); envVal != "" {
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envValBool, err := strconv.ParseBool(envVal)
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if err == nil {
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val = envValBool
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}
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break
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}
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}
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}
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eachName(f.Name, func(name string) {
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if f.Destination != nil {
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set.BoolVar(f.Destination, name, val, f.Usage)
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return
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}
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set.Bool(name, val, f.Usage)
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})
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}
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// Apply populates the flag given the flag set and environment
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func (f BoolTFlag) Apply(set *flag.FlagSet) {
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val := true
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if f.EnvVar != "" {
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for _, envVar := range strings.Split(f.EnvVar, ",") {
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envVar = strings.TrimSpace(envVar)
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if envVal := os.Getenv(envVar); envVal != "" {
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envValBool, err := strconv.ParseBool(envVal)
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if err == nil {
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val = envValBool
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break
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}
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}
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}
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}
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eachName(f.Name, func(name string) {
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if f.Destination != nil {
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set.BoolVar(f.Destination, name, val, f.Usage)
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return
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}
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set.Bool(name, val, f.Usage)
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})
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}
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// Apply populates the flag given the flag set and environment
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func (f StringFlag) Apply(set *flag.FlagSet) {
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if f.EnvVar != "" {
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for _, envVar := range strings.Split(f.EnvVar, ",") {
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envVar = strings.TrimSpace(envVar)
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if envVal := os.Getenv(envVar); envVal != "" {
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f.Value = envVal
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break
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}
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}
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}
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eachName(f.Name, func(name string) {
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if f.Destination != nil {
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set.StringVar(f.Destination, name, f.Value, f.Usage)
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return
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}
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set.String(name, f.Value, f.Usage)
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})
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}
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// Apply populates the flag given the flag set and environment
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func (f IntFlag) Apply(set *flag.FlagSet) {
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if f.EnvVar != "" {
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for _, envVar := range strings.Split(f.EnvVar, ",") {
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envVar = strings.TrimSpace(envVar)
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if envVal := os.Getenv(envVar); envVal != "" {
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envValInt, err := strconv.ParseInt(envVal, 0, 64)
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if err == nil {
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f.Value = int(envValInt)
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break
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}
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}
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}
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}
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eachName(f.Name, func(name string) {
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if f.Destination != nil {
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set.IntVar(f.Destination, name, f.Value, f.Usage)
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return
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}
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set.Int(name, f.Value, f.Usage)
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})
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}
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// Apply populates the flag given the flag set and environment
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func (f Int64Flag) Apply(set *flag.FlagSet) {
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if f.EnvVar != "" {
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for _, envVar := range strings.Split(f.EnvVar, ",") {
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envVar = strings.TrimSpace(envVar)
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if envVal := os.Getenv(envVar); envVal != "" {
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envValInt, err := strconv.ParseInt(envVal, 0, 64)
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if err == nil {
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f.Value = envValInt
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break
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}
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}
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}
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}
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eachName(f.Name, func(name string) {
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if f.Destination != nil {
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set.Int64Var(f.Destination, name, f.Value, f.Usage)
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return
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}
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set.Int64(name, f.Value, f.Usage)
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})
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}
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// Apply populates the flag given the flag set and environment
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func (f UintFlag) Apply(set *flag.FlagSet) {
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if f.EnvVar != "" {
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for _, envVar := range strings.Split(f.EnvVar, ",") {
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envVar = strings.TrimSpace(envVar)
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if envVal := os.Getenv(envVar); envVal != "" {
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envValInt, err := strconv.ParseUint(envVal, 0, 64)
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if err == nil {
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f.Value = uint(envValInt)
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break
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}
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}
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}
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}
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|
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eachName(f.Name, func(name string) {
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if f.Destination != nil {
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set.UintVar(f.Destination, name, f.Value, f.Usage)
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return
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}
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set.Uint(name, f.Value, f.Usage)
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})
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}
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// Apply populates the flag given the flag set and environment
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func (f Uint64Flag) Apply(set *flag.FlagSet) {
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if f.EnvVar != "" {
|
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for _, envVar := range strings.Split(f.EnvVar, ",") {
|
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envVar = strings.TrimSpace(envVar)
|
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if envVal := os.Getenv(envVar); envVal != "" {
|
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envValInt, err := strconv.ParseUint(envVal, 0, 64)
|
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if err == nil {
|
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f.Value = uint64(envValInt)
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break
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}
|
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}
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}
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}
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|
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eachName(f.Name, func(name string) {
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if f.Destination != nil {
|
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set.Uint64Var(f.Destination, name, f.Value, f.Usage)
|
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return
|
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}
|
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set.Uint64(name, f.Value, f.Usage)
|
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})
|
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}
|
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|
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// Apply populates the flag given the flag set and environment
|
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func (f DurationFlag) Apply(set *flag.FlagSet) {
|
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if f.EnvVar != "" {
|
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for _, envVar := range strings.Split(f.EnvVar, ",") {
|
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envVar = strings.TrimSpace(envVar)
|
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if envVal := os.Getenv(envVar); envVal != "" {
|
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envValDuration, err := time.ParseDuration(envVal)
|
||||
if err == nil {
|
||||
f.Value = envValDuration
|
||||
break
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
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eachName(f.Name, func(name string) {
|
||||
if f.Destination != nil {
|
||||
set.DurationVar(f.Destination, name, f.Value, f.Usage)
|
||||
return
|
||||
}
|
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set.Duration(name, f.Value, f.Usage)
|
||||
})
|
||||
}
|
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|
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// Apply populates the flag given the flag set and environment
|
||||
func (f Float64Flag) Apply(set *flag.FlagSet) {
|
||||
if f.EnvVar != "" {
|
||||
for _, envVar := range strings.Split(f.EnvVar, ",") {
|
||||
envVar = strings.TrimSpace(envVar)
|
||||
if envVal := os.Getenv(envVar); envVal != "" {
|
||||
envValFloat, err := strconv.ParseFloat(envVal, 10)
|
||||
if err == nil {
|
||||
f.Value = float64(envValFloat)
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
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eachName(f.Name, func(name string) {
|
||||
if f.Destination != nil {
|
||||
set.Float64Var(f.Destination, name, f.Value, f.Usage)
|
||||
return
|
||||
}
|
||||
set.Float64(name, f.Value, f.Usage)
|
||||
})
|
||||
}
|
||||
|
||||
func visibleFlags(fl []Flag) []Flag {
|
||||
visible := []Flag{}
|
||||
for _, flag := range fl {
|
||||
if !flagValue(flag).FieldByName("Hidden").Bool() {
|
||||
visible = append(visible, flag)
|
||||
}
|
||||
}
|
||||
return visible
|
||||
}
|
||||
|
||||
func prefixFor(name string) (prefix string) {
|
||||
if len(name) == 1 {
|
||||
prefix = "-"
|
||||
} else {
|
||||
prefix = "--"
|
||||
}
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
// Returns the placeholder, if any, and the unquoted usage string.
|
||||
func unquoteUsage(usage string) (string, string) {
|
||||
for i := 0; i < len(usage); i++ {
|
||||
if usage[i] == '`' {
|
||||
for j := i + 1; j < len(usage); j++ {
|
||||
if usage[j] == '`' {
|
||||
name := usage[i+1 : j]
|
||||
usage = usage[:i] + name + usage[j+1:]
|
||||
return name, usage
|
||||
}
|
||||
}
|
||||
break
|
||||
}
|
||||
}
|
||||
return "", usage
|
||||
}
|
||||
|
||||
func prefixedNames(fullName, placeholder string) string {
|
||||
var prefixed string
|
||||
parts := strings.Split(fullName, ",")
|
||||
for i, name := range parts {
|
||||
name = strings.Trim(name, " ")
|
||||
prefixed += prefixFor(name) + name
|
||||
if placeholder != "" {
|
||||
prefixed += " " + placeholder
|
||||
}
|
||||
if i < len(parts)-1 {
|
||||
prefixed += ", "
|
||||
}
|
||||
}
|
||||
return prefixed
|
||||
}
|
||||
|
||||
func withEnvHint(envVar, str string) string {
|
||||
envText := ""
|
||||
if envVar != "" {
|
||||
prefix := "$"
|
||||
suffix := ""
|
||||
sep := ", $"
|
||||
if runtime.GOOS == "windows" {
|
||||
prefix = "%"
|
||||
suffix = "%"
|
||||
sep = "%, %"
|
||||
}
|
||||
envText = fmt.Sprintf(" [%s%s%s]", prefix, strings.Join(strings.Split(envVar, ","), sep), suffix)
|
||||
}
|
||||
return str + envText
|
||||
}
|
||||
|
||||
func flagValue(f Flag) reflect.Value {
|
||||
fv := reflect.ValueOf(f)
|
||||
for fv.Kind() == reflect.Ptr {
|
||||
fv = reflect.Indirect(fv)
|
||||
}
|
||||
return fv
|
||||
}
|
||||
|
||||
func stringifyFlag(f Flag) string {
|
||||
fv := flagValue(f)
|
||||
|
||||
switch f.(type) {
|
||||
case IntSliceFlag:
|
||||
return withEnvHint(fv.FieldByName("EnvVar").String(),
|
||||
stringifyIntSliceFlag(f.(IntSliceFlag)))
|
||||
case Int64SliceFlag:
|
||||
return withEnvHint(fv.FieldByName("EnvVar").String(),
|
||||
stringifyInt64SliceFlag(f.(Int64SliceFlag)))
|
||||
case StringSliceFlag:
|
||||
return withEnvHint(fv.FieldByName("EnvVar").String(),
|
||||
stringifyStringSliceFlag(f.(StringSliceFlag)))
|
||||
}
|
||||
|
||||
placeholder, usage := unquoteUsage(fv.FieldByName("Usage").String())
|
||||
|
||||
needsPlaceholder := false
|
||||
defaultValueString := ""
|
||||
val := fv.FieldByName("Value")
|
||||
|
||||
if val.IsValid() {
|
||||
needsPlaceholder = true
|
||||
defaultValueString = fmt.Sprintf(" (default: %v)", val.Interface())
|
||||
|
||||
if val.Kind() == reflect.String && val.String() != "" {
|
||||
defaultValueString = fmt.Sprintf(" (default: %q)", val.String())
|
||||
}
|
||||
}
|
||||
|
||||
if defaultValueString == " (default: )" {
|
||||
defaultValueString = ""
|
||||
}
|
||||
|
||||
if needsPlaceholder && placeholder == "" {
|
||||
placeholder = defaultPlaceholder
|
||||
}
|
||||
|
||||
usageWithDefault := strings.TrimSpace(fmt.Sprintf("%s%s", usage, defaultValueString))
|
||||
|
||||
return withEnvHint(fv.FieldByName("EnvVar").String(),
|
||||
fmt.Sprintf("%s\t%s", prefixedNames(fv.FieldByName("Name").String(), placeholder), usageWithDefault))
|
||||
}
|
||||
|
||||
func stringifyIntSliceFlag(f IntSliceFlag) string {
|
||||
defaultVals := []string{}
|
||||
if f.Value != nil && len(f.Value.Value()) > 0 {
|
||||
for _, i := range f.Value.Value() {
|
||||
defaultVals = append(defaultVals, fmt.Sprintf("%d", i))
|
||||
}
|
||||
}
|
||||
|
||||
return stringifySliceFlag(f.Usage, f.Name, defaultVals)
|
||||
}
|
||||
|
||||
func stringifyInt64SliceFlag(f Int64SliceFlag) string {
|
||||
defaultVals := []string{}
|
||||
if f.Value != nil && len(f.Value.Value()) > 0 {
|
||||
for _, i := range f.Value.Value() {
|
||||
defaultVals = append(defaultVals, fmt.Sprintf("%d", i))
|
||||
}
|
||||
}
|
||||
|
||||
return stringifySliceFlag(f.Usage, f.Name, defaultVals)
|
||||
}
|
||||
|
||||
func stringifyStringSliceFlag(f StringSliceFlag) string {
|
||||
defaultVals := []string{}
|
||||
if f.Value != nil && len(f.Value.Value()) > 0 {
|
||||
for _, s := range f.Value.Value() {
|
||||
if len(s) > 0 {
|
||||
defaultVals = append(defaultVals, fmt.Sprintf("%q", s))
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return stringifySliceFlag(f.Usage, f.Name, defaultVals)
|
||||
}
|
||||
|
||||
func stringifySliceFlag(usage, name string, defaultVals []string) string {
|
||||
placeholder, usage := unquoteUsage(usage)
|
||||
if placeholder == "" {
|
||||
placeholder = defaultPlaceholder
|
||||
}
|
||||
|
||||
defaultVal := ""
|
||||
if len(defaultVals) > 0 {
|
||||
defaultVal = fmt.Sprintf(" (default: %s)", strings.Join(defaultVals, ", "))
|
||||
}
|
||||
|
||||
usageWithDefault := strings.TrimSpace(fmt.Sprintf("%s%s", usage, defaultVal))
|
||||
return fmt.Sprintf("%s\t%s", prefixedNames(name, placeholder), usageWithDefault)
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue