func listValuesForTag(store *storage.Storage, tx *storage.Tx, tagName string, showCount, onePerLine bool) error {
tag, err := store.TagByName(tx, tagName)
if err != nil {
return fmt.Errorf("could not retrieve tag '%v': %v", tagName, err)
}
if tag == nil {
return fmt.Errorf("no such tag, '%v'", tagName)
}
log.Infof(2, "retrieving values for tag '%v'.", tagName)
values, err := store.ValuesByTag(tx, tag.Id)
if err != nil {
return fmt.Errorf("could not retrieve values for tag '%v': %v", tagName, err)
}
if showCount {
fmt.Println(len(values))
} else {
if onePerLine {
for _, value := range values {
fmt.Println(escape(value.Name, '=', ' '))
}
} else {
valueNames := make([]string, len(values))
for index, value := range values {
valueNames[index] = escape(value.Name, '=', ' ')
}
terminal.PrintColumns(valueNames)
}
}
return nil
}
func listValuesForTags(store *storage.Storage, tx *storage.Tx, tagNames []string, showCount, onePerLine bool) (error, warnings) {
warnings := make(warnings, 0, 10)
for _, tagName := range tagNames {
tag, err := store.TagByName(tx, tagName)
if err != nil {
return fmt.Errorf("could not retrieve tag '%v': %v", tagName, err), warnings
}
if tag == nil {
warnings = append(warnings, fmt.Sprintf("no such tag, '%v'.", tagName))
continue
}
log.Infof(2, "retrieving values for tag '%v'.", tagName)
values, err := store.ValuesByTag(tx, tag.Id)
if err != nil {
return fmt.Errorf("could not retrieve values for tag '%v': %v", tagName, err), warnings
}
if showCount {
fmt.Printf("%v: %v\n", tagName, len(values))
} else {
if onePerLine {
fmt.Println(tagName)
for _, value := range values {
fmt.Println(escape(value.Name, '=', ' '))
}
fmt.Println()
} else {
valueNames := make([]string, len(values))
for index, value := range values {
valueNames[index] = escape(value.Name, '=', ' ')
}
fmt.Printf("%v: %v\n", tagName, strings.Join(valueNames, " "))
}
}
}
return nil, warnings
}
