func (mc *mergeCommand) execute() error {
if len(mc.translationFiles) < 1 {
return fmt.Errorf("need at least one translation file to parse")
}
if lang := language.Parse(mc.sourceLanguageTag); lang == nil {
return fmt.Errorf("invalid source locale: %s", mc.sourceLanguageTag)
}
marshal, err := newMarshalFunc(mc.format)
if err != nil {
return err
}
bundle := bundle.New()
for _, tf := range mc.translationFiles {
if err := bundle.LoadTranslationFile(tf); err != nil {
return fmt.Errorf("failed to load translation file %s because %s\n", tf, err)
}
}
translations := bundle.Translations()
sourceLanguageTag := language.NormalizeTag(mc.sourceLanguageTag)
sourceTranslations := translations[sourceLanguageTag]
if sourceTranslations == nil {
return fmt.Errorf("no translations found for source locale %s", sourceLanguageTag)
}
for translationID, src := range sourceTranslations {
for _, localeTranslations := range translations {
if dst := localeTranslations[translationID]; dst == nil || reflect.TypeOf(src) != reflect.TypeOf(dst) {
localeTranslations[translationID] = src.UntranslatedCopy()
}
}
}
for localeID, localeTranslations := range translations {
lang := language.MustParse(localeID)[0]
all := filter(localeTranslations, func(t translation.Translation) translation.Translation {
return t.Normalize(lang)
})
if err := mc.writeFile("all", all, localeID, marshal); err != nil {
return err
}
untranslated := filter(localeTranslations, func(t translation.Translation) translation.Translation {
if t.Incomplete(lang) {
return t.Normalize(lang).Backfill(sourceTranslations[t.ID()])
}
return nil
})
if err := mc.writeFile("untranslated", untranslated, localeID, marshal); err != nil {
return err
}
}
return nil
}
func languageWithTag(tag string) *language.Language {
return language.MustParse(tag)[0]
}