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feat: add support for variable interpolation into env tag key (#234)

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This commit is contained in:
Colin
2021-11-18 16:56:39 -05:00
committed by GitHub
parent 5090305bcb
commit 79f896f0c0
2 changed files with 18 additions and 4 deletions
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kong.go
+12 -4
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@@ -186,16 +186,24 @@ func (k *Kong) interpolateValue(value *Value, vars Vars) (err error) {
if varsContributor, ok := value.Mapper.(VarsContributor); ok {
vars = vars.CloneWith(varsContributor.Vars(value))
}
updatedVars := map[string]string{
"default": value.Default,
"enum": value.Enum,
}
if value.Default, err = interpolate(value.Default, vars, nil); err != nil {
return fmt.Errorf("default value for %s: %s", value.Summary(), err)
}
if value.Enum, err = interpolate(value.Enum, vars, nil); err != nil {
return fmt.Errorf("enum value for %s: %s", value.Summary(), err)
}
value.Help, err = interpolate(value.Help, vars, map[string]string{
"default": value.Default,
"enum": value.Enum,
})
if value.Flag != nil {
if value.Flag.Env, err = interpolate(value.Flag.Env, vars, nil); err != nil {
return fmt.Errorf("env value for %s: %s", value.Summary(), err)
}
updatedVars["env"] = value.Flag.Env
}
value.Help, err = interpolate(value.Help, vars, updatedVars)
if err != nil {
return fmt.Errorf("help for %s: %s", value.Summary(), err)
}