func (command ImplyCommand) listImplications(store *storage.Storage) error {
if command.verbose {
log.Infof("retrieving tag implications.")
}
implications, err := store.Implications()
if err != nil {
return fmt.Errorf("could not retrieve implications: %v", err)
}
width := 0
for _, implication := range implications {
length := len(implication.ImplyingTag.Name)
if length > width {
width = length
}
}
previousImplyingTagName := ""
for _, implication := range implications {
if implication.ImplyingTag.Name != previousImplyingTagName {
if previousImplyingTagName != "" {
fmt.Println()
}
previousImplyingTagName = implication.ImplyingTag.Name
fmt.Printf("%*v -> %v", width, implication.ImplyingTag.Name, implication.ImpliedTag.Name)
} else {
fmt.Printf(", %v", implication.ImpliedTag.Name)
}
}
fmt.Println()
return nil
}