mirror of https://github.com/databricks/cli.git
46 lines
1.0 KiB
Go
46 lines
1.0 KiB
Go
package root
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import (
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"fmt"
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"github.com/spf13/cobra"
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)
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type InvalidArgsError struct {
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// The command that was run.
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Command *cobra.Command
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// The error message.
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Message string
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}
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func (e *InvalidArgsError) Error() string {
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return fmt.Sprintf("%s\n\n%s", e.Message, e.Command.UsageString())
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}
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func ExactArgs(n int) cobra.PositionalArgs {
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return func(cmd *cobra.Command, args []string) error {
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if len(args) != n {
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return &InvalidArgsError{Message: fmt.Sprintf("accepts %d arg(s), received %d", n, len(args)), Command: cmd}
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}
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return nil
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}
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}
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func NoArgs(cmd *cobra.Command, args []string) error {
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if len(args) > 0 {
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msg := fmt.Sprintf("unknown command %q for %q", args[0], cmd.CommandPath())
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return &InvalidArgsError{Message: msg, Command: cmd}
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}
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return nil
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}
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func MaximumNArgs(n int) cobra.PositionalArgs {
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return func(cmd *cobra.Command, args []string) error {
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if len(args) > n {
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msg := fmt.Sprintf("accepts at most %d arg(s), received %d", n, len(args))
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return &InvalidArgsError{Message: msg, Command: cmd}
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}
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return nil
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}
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}
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