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