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package validate
import (
"errors"
"fmt"
"strconv"
"strings"
"github.com/containers/podman/v4/cmd/podman/registry"
"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 fmt.Errorf("unrecognized command `%[1]s %[2]s`\nTry '%[1]s --help' for more information", cmd.CommandPath(), args[0])
}
return fmt.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 fmt.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 errors.New("--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 look up values for 'latest' or 'all'")
} else if c.Flags().Lookup(idFileFlag) == nil {
return fmt.Errorf("unable to look up 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 c.Flags().Changed("filter") {
if argLen > 0 {
return errors.New("--filter takes no arguments")
}
return nil
}
if specifiedIDFile && (specifiedAll || specifiedLatest) {
return fmt.Errorf("--all, --latest, and --%s cannot be used together", idFileFlag)
} else if specifiedAll && specifiedLatest {
return errors.New("--all and --latest cannot be used together")
}
if (argLen > 0) && specifiedAll {
return errors.New("no arguments are needed with --all")
}
if ignoreArgLen {
return nil
}
if argLen > 0 {
if specifiedLatest {
return errors.New("--latest and containers cannot be used together")
} else if idFileFlag != "" && (specifiedLatest || specifiedIDFile) {
return fmt.Errorf("no arguments are needed with --latest or --%s", idFileFlag)
}
}
if specifiedIDFile {
return nil
}
if argLen < 1 && !specifiedAll && !specifiedLatest && !specifiedIDFile {
return errors.New("you must provide at least one name or id")
}
return nil
}
|
