123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596 |
- package cli
- import (
- "fmt"
- "strings"
- "github.com/spf13/cobra"
- )
- // NoArgs validates args and returns an error if there are any args
- func NoArgs(cmd *cobra.Command, args []string) error {
- if len(args) == 0 {
- return nil
- }
- if cmd.HasSubCommands() {
- return fmt.Errorf("\n" + strings.TrimRight(cmd.UsageString(), "\n"))
- }
- return fmt.Errorf(
- "\"%s\" accepts no argument(s).\nSee '%s --help'.\n\nUsage: %s\n\n%s",
- cmd.CommandPath(),
- cmd.CommandPath(),
- cmd.UseLine(),
- cmd.Short,
- )
- }
- // RequiresMinArgs returns an error if there is not at least min args
- func RequiresMinArgs(min int) cobra.PositionalArgs {
- return func(cmd *cobra.Command, args []string) error {
- if len(args) >= min {
- return nil
- }
- return fmt.Errorf(
- "\"%s\" requires at least %d argument(s).\nSee '%s --help'.\n\nUsage: %s\n\n%s",
- cmd.CommandPath(),
- min,
- cmd.CommandPath(),
- cmd.UseLine(),
- cmd.Short,
- )
- }
- }
- // RequiresMaxArgs returns an error if there is not at most max args
- func RequiresMaxArgs(max int) cobra.PositionalArgs {
- return func(cmd *cobra.Command, args []string) error {
- if len(args) <= max {
- return nil
- }
- return fmt.Errorf(
- "\"%s\" requires at most %d argument(s).\nSee '%s --help'.\n\nUsage: %s\n\n%s",
- cmd.CommandPath(),
- max,
- cmd.CommandPath(),
- cmd.UseLine(),
- cmd.Short,
- )
- }
- }
- // RequiresRangeArgs returns an error if there is not at least min args and at most max args
- func RequiresRangeArgs(min int, max int) cobra.PositionalArgs {
- return func(cmd *cobra.Command, args []string) error {
- if len(args) >= min && len(args) <= max {
- return nil
- }
- return fmt.Errorf(
- "\"%s\" requires at least %d and at most %d argument(s).\nSee '%s --help'.\n\nUsage: %s\n\n%s",
- cmd.CommandPath(),
- min,
- max,
- cmd.CommandPath(),
- cmd.UseLine(),
- cmd.Short,
- )
- }
- }
- // ExactArgs returns an error if there is not the exact number of args
- func ExactArgs(number int) cobra.PositionalArgs {
- return func(cmd *cobra.Command, args []string) error {
- if len(args) == number {
- return nil
- }
- return fmt.Errorf(
- "\"%s\" requires exactly %d argument(s).\nSee '%s --help'.\n\nUsage: %s\n\n%s",
- cmd.CommandPath(),
- number,
- cmd.CommandPath(),
- cmd.UseLine(),
- cmd.Short,
- )
- }
- }
|