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package parse
import (
"github.com/pkg/errors"
"github.com/spf13/cobra"
)
// CheckAllLatestAndCIDFile checks that --all and --latest are used correctly.
// If cidfile is set, also check for the --cidfile flag.
func CheckAllLatestAndCIDFile(c *cobra.Command, args []string, ignoreArgLen bool, cidfile bool) error {
argLen := len(args)
if c.Flags().Lookup("all") == nil || c.Flags().Lookup("latest") == nil {
if !cidfile {
return errors.New("unable to lookup values for 'latest' or 'all'")
} else if c.Flags().Lookup("cidfile") == nil {
return errors.New("unable to lookup values for 'latest', 'all' or 'cidfile'")
}
}
specifiedAll, _ := c.Flags().GetBool("all")
specifiedLatest, _ := c.Flags().GetBool("latest")
specifiedCIDFile := false
if cid, _ := c.Flags().GetStringArray("cidfile"); len(cid) > 0 {
specifiedCIDFile = true
}
if specifiedCIDFile && (specifiedAll || specifiedLatest) {
return errors.Errorf("--all, --latest and --cidfile cannot be used together")
} 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("no arguments are needed with --latest")
} else if cidfile && (specifiedLatest || specifiedCIDFile) {
return errors.Errorf("no arguments are needed with --latest or --cidfile")
}
}
if specifiedCIDFile {
return nil
}
if argLen < 1 && !specifiedAll && !specifiedLatest && !specifiedCIDFile {
return errors.Errorf("you must provide at least one name or id")
}
return nil
}
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