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TUN-3233: List tunnels support filtering by deleted, name, existed at and id
This commit is contained in:
262
vendor/github.com/urfave/cli/v2/altsrc/flag.go
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vendored
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262
vendor/github.com/urfave/cli/v2/altsrc/flag.go
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@@ -0,0 +1,262 @@
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package altsrc
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import (
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"fmt"
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"path/filepath"
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"strconv"
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"syscall"
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"github.com/urfave/cli/v2"
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)
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// FlagInputSourceExtension is an extension interface of cli.Flag that
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// allows a value to be set on the existing parsed flags.
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type FlagInputSourceExtension interface {
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cli.Flag
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ApplyInputSourceValue(context *cli.Context, isc InputSourceContext) error
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}
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// ApplyInputSourceValues iterates over all provided flags and
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// executes ApplyInputSourceValue on flags implementing the
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// FlagInputSourceExtension interface to initialize these flags
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// to an alternate input source.
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func ApplyInputSourceValues(context *cli.Context, inputSourceContext InputSourceContext, flags []cli.Flag) error {
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for _, f := range flags {
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inputSourceExtendedFlag, isType := f.(FlagInputSourceExtension)
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if isType {
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err := inputSourceExtendedFlag.ApplyInputSourceValue(context, inputSourceContext)
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if err != nil {
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return err
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}
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}
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}
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return nil
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}
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// InitInputSource is used to to setup an InputSourceContext on a cli.Command Before method. It will create a new
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// input source based on the func provided. If there is no error it will then apply the new input source to any flags
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// that are supported by the input source
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func InitInputSource(flags []cli.Flag, createInputSource func() (InputSourceContext, error)) cli.BeforeFunc {
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return func(context *cli.Context) error {
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inputSource, err := createInputSource()
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if err != nil {
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return fmt.Errorf("Unable to create input source: inner error: \n'%v'", err.Error())
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}
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return ApplyInputSourceValues(context, inputSource, flags)
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}
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}
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// InitInputSourceWithContext is used to to setup an InputSourceContext on a cli.Command Before method. It will create a new
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// input source based on the func provided with potentially using existing cli.Context values to initialize itself. If there is
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// no error it will then apply the new input source to any flags that are supported by the input source
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func InitInputSourceWithContext(flags []cli.Flag, createInputSource func(context *cli.Context) (InputSourceContext, error)) cli.BeforeFunc {
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return func(context *cli.Context) error {
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inputSource, err := createInputSource(context)
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if err != nil {
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return fmt.Errorf("Unable to create input source with context: inner error: \n'%v'", err.Error())
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}
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return ApplyInputSourceValues(context, inputSource, flags)
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}
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}
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// ApplyInputSourceValue applies a generic value to the flagSet if required
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func (f *GenericFlag) ApplyInputSourceValue(context *cli.Context, isc InputSourceContext) error {
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if f.set != nil {
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if !context.IsSet(f.Name) && !isEnvVarSet(f.EnvVars) {
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value, err := isc.Generic(f.GenericFlag.Name)
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if err != nil {
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return err
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}
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if value != nil {
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for _, name := range f.Names() {
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_ = f.set.Set(name, value.String())
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}
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}
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}
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}
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return nil
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}
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// ApplyInputSourceValue applies a StringSlice value to the flagSet if required
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func (f *StringSliceFlag) ApplyInputSourceValue(context *cli.Context, isc InputSourceContext) error {
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if f.set != nil {
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if !context.IsSet(f.Name) && !isEnvVarSet(f.EnvVars) {
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value, err := isc.StringSlice(f.StringSliceFlag.Name)
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if err != nil {
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return err
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}
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if value != nil {
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var sliceValue cli.StringSlice = *(cli.NewStringSlice(value...))
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for _, name := range f.Names() {
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underlyingFlag := f.set.Lookup(name)
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if underlyingFlag != nil {
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underlyingFlag.Value = &sliceValue
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}
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}
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}
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}
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}
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return nil
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}
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// ApplyInputSourceValue applies a IntSlice value if required
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func (f *IntSliceFlag) ApplyInputSourceValue(context *cli.Context, isc InputSourceContext) error {
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if f.set != nil {
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if !context.IsSet(f.Name) && !isEnvVarSet(f.EnvVars) {
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value, err := isc.IntSlice(f.IntSliceFlag.Name)
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if err != nil {
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return err
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}
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if value != nil {
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var sliceValue cli.IntSlice = *(cli.NewIntSlice(value...))
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for _, name := range f.Names() {
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underlyingFlag := f.set.Lookup(name)
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if underlyingFlag != nil {
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underlyingFlag.Value = &sliceValue
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}
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}
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}
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}
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}
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return nil
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}
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// ApplyInputSourceValue applies a Bool value to the flagSet if required
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func (f *BoolFlag) ApplyInputSourceValue(context *cli.Context, isc InputSourceContext) error {
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if f.set != nil {
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if !context.IsSet(f.Name) && !isEnvVarSet(f.EnvVars) {
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value, err := isc.Bool(f.BoolFlag.Name)
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if err != nil {
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return err
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}
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if value {
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for _, name := range f.Names() {
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_ = f.set.Set(name, strconv.FormatBool(value))
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}
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}
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}
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}
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return nil
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}
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// ApplyInputSourceValue applies a String value to the flagSet if required
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func (f *StringFlag) ApplyInputSourceValue(context *cli.Context, isc InputSourceContext) error {
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if f.set != nil {
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if !(context.IsSet(f.Name) || isEnvVarSet(f.EnvVars)) {
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value, err := isc.String(f.StringFlag.Name)
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if err != nil {
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return err
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}
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if value != "" {
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for _, name := range f.Names() {
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_ = f.set.Set(name, value)
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}
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}
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}
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}
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return nil
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}
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// ApplyInputSourceValue applies a Path value to the flagSet if required
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func (f *PathFlag) ApplyInputSourceValue(context *cli.Context, isc InputSourceContext) error {
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if f.set != nil {
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if !(context.IsSet(f.Name) || isEnvVarSet(f.EnvVars)) {
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value, err := isc.String(f.PathFlag.Name)
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if err != nil {
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return err
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}
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if value != "" {
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for _, name := range f.Names() {
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if !filepath.IsAbs(value) && isc.Source() != "" {
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basePathAbs, err := filepath.Abs(isc.Source())
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if err != nil {
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return err
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}
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value = filepath.Join(filepath.Dir(basePathAbs), value)
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}
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_ = f.set.Set(name, value)
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}
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}
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}
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}
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return nil
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}
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// ApplyInputSourceValue applies a int value to the flagSet if required
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func (f *IntFlag) ApplyInputSourceValue(context *cli.Context, isc InputSourceContext) error {
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if f.set != nil {
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if !(context.IsSet(f.Name) || isEnvVarSet(f.EnvVars)) {
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value, err := isc.Int(f.IntFlag.Name)
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if err != nil {
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return err
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}
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if value > 0 {
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for _, name := range f.Names() {
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_ = f.set.Set(name, strconv.FormatInt(int64(value), 10))
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}
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}
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}
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}
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return nil
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}
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// ApplyInputSourceValue applies a Duration value to the flagSet if required
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func (f *DurationFlag) ApplyInputSourceValue(context *cli.Context, isc InputSourceContext) error {
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if f.set != nil {
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if !(context.IsSet(f.Name) || isEnvVarSet(f.EnvVars)) {
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value, err := isc.Duration(f.DurationFlag.Name)
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if err != nil {
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return err
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}
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if value > 0 {
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for _, name := range f.Names() {
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_ = f.set.Set(name, value.String())
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}
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}
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}
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}
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return nil
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}
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// ApplyInputSourceValue applies a Float64 value to the flagSet if required
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func (f *Float64Flag) ApplyInputSourceValue(context *cli.Context, isc InputSourceContext) error {
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if f.set != nil {
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if !(context.IsSet(f.Name) || isEnvVarSet(f.EnvVars)) {
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value, err := isc.Float64(f.Float64Flag.Name)
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if err != nil {
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return err
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}
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if value > 0 {
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floatStr := float64ToString(value)
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for _, name := range f.Names() {
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_ = f.set.Set(name, floatStr)
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}
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}
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}
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}
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return nil
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}
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func isEnvVarSet(envVars []string) bool {
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for _, envVar := range envVars {
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if _, ok := syscall.Getenv(envVar); ok {
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// TODO: Can't use this for bools as
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// set means that it was true or false based on
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// Bool flag type, should work for other types
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return true
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}
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}
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return false
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}
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func float64ToString(f float64) string {
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return fmt.Sprintf("%v", f)
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}
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