package validate import ( "fmt" "strconv" "strings" "github.com/containers/podman/v4/cmd/podman/registry" "github.com/pkg/errors" "github.com/spf13/cobra" ) // NoArgs returns an error if any args are included. func NoArgs(cmd *cobra.Command, args []string) error { if len(args) > 0 { return fmt.Errorf("`%s` takes no arguments", cmd.CommandPath()) } return nil } // SubCommandExists returns an error if no sub command is provided func SubCommandExists(cmd *cobra.Command, args []string) error { if len(args) > 0 { suggestions := cmd.SuggestionsFor(args[0]) if len(suggestions) == 0 { return errors.Errorf("unrecognized command `%[1]s %[2]s`\nTry '%[1]s --help' for more information", cmd.CommandPath(), args[0]) } return errors.Errorf("unrecognized command `%[1]s %[2]s`\n\nDid you mean this?\n\t%[3]s\n\nTry '%[1]s --help' for more information", cmd.CommandPath(), args[0], strings.Join(suggestions, "\n\t")) } cmd.Help() // nolint: errcheck return errors.Errorf("missing command '%[1]s COMMAND'", cmd.CommandPath()) } // IDOrLatestArgs used to validate a nameOrId was provided or the "--latest" flag func IDOrLatestArgs(cmd *cobra.Command, args []string) error { if len(args) > 1 { return fmt.Errorf("`%s` accepts at most one argument", cmd.CommandPath()) } latest := cmd.Flag("latest") if latest != nil { given, _ := strconv.ParseBool(cmd.Flag("latest").Value.String()) if len(args) == 0 && !given { return fmt.Errorf("%q requires a name, id, or the \"--latest\" flag", cmd.CommandPath()) } if len(args) > 0 && given { return fmt.Errorf("--latest and containers cannot be used together") } } return nil } // CheckAllLatestAndCIDFile checks that --all and --latest are used correctly for containers and pods // If idFileFlag is set is set, also checks for the --cidfile or --pod-id-file flag. // Note: this has been deprecated, use CheckAllLatestAndIDFile instead func CheckAllLatestAndCIDFile(c *cobra.Command, args []string, ignoreArgLen bool, cidfile bool) error { return CheckAllLatestAndIDFile(c, args, ignoreArgLen, "cidfile") } // CheckAllLatestAndPodIDFile checks that --all and --latest are used correctly. // If withIDFile is set, also check for the --pod-id-file flag. // Note: this has been deprecated, use CheckAllLatestAndIDFile instead func CheckAllLatestAndPodIDFile(c *cobra.Command, args []string, ignoreArgLen bool, withIDFile bool) error { return CheckAllLatestAndIDFile(c, args, ignoreArgLen, "pod-id-file") } // CheckAllLatestAndIDFile checks that --all and --latest are used correctly for containers and pods // If idFileFlag is set is set, also checks for the --cidfile or --pod-id-file flag. func CheckAllLatestAndIDFile(c *cobra.Command, args []string, ignoreArgLen bool, idFileFlag string) error { var specifiedLatest bool argLen := len(args) if !registry.IsRemote() { specifiedLatest, _ = c.Flags().GetBool("latest") if c.Flags().Lookup("all") == nil || c.Flags().Lookup("latest") == nil { if idFileFlag == "" { return errors.New("unable to lookup values for 'latest' or 'all'") } else if c.Flags().Lookup(idFileFlag) == nil { return errors.Errorf("unable to lookup values for 'latest', 'all', or '%s'", idFileFlag) } } } specifiedAll, _ := c.Flags().GetBool("all") specifiedIDFile := false if cid, _ := c.Flags().GetStringArray(idFileFlag); len(cid) > 0 { specifiedIDFile = true } if specifiedIDFile && (specifiedAll || specifiedLatest) { return errors.Errorf("--all, --latest, and --%s cannot be used together", idFileFlag) } else if specifiedAll && specifiedLatest { return errors.Errorf("--all and --latest cannot be used together") } if (argLen > 0) && specifiedAll { return errors.Errorf("no arguments are needed with --all") } if ignoreArgLen { return nil } if argLen > 0 { if specifiedLatest { return errors.Errorf("--latest and containers cannot be used together") } else if idFileFlag != "" && (specifiedLatest || specifiedIDFile) { return errors.Errorf("no arguments are needed with --latest or --%s", idFileFlag) } } if specifiedIDFile { return nil } if argLen < 1 && !specifiedAll && !specifiedLatest && !specifiedIDFile { return errors.Errorf("you must provide at least one name or id") } return nil }