util

Documentation

Index

• Variables
• func CheckErr(err error)
• func DefaultSubCommandRun(out io.Writer) func(c *cobra.Command, args []string)
• func RecoverErr(err *error)
• func RequireNoArguments(c *cobra.Command, args []string)
• func UsageErrorf(cmd *cobra.Command, format string, args ...interface{}) error

Variables

var ErrExit = fmt.Errorf("exit")

ErrExit may be passed to CheckError to instruct it to output nothing but exit with status code 1.

Functions

func CheckErr

func CheckErr(err error)

CheckErr prints a user-friendly error to STDERR and exits with a non-zero exit code. Unrecognized errors will be printed with an "error: " prefix.

func DefaultSubCommandRun

func DefaultSubCommandRun(out io.Writer) func(c *cobra.Command, args []string)

DefaultSubCommandRun prints a command's help string to the specified output if no arguments (sub-commands) are provided, or a usage error otherwise.

func RecoverErr

func RecoverErr(err *error)

func RequireNoArguments

func RequireNoArguments(c *cobra.Command, args []string)

RequireNoArguments exits with a usage error if extra arguments are provided.

func UsageErrorf

func UsageErrorf(cmd *cobra.Command, format string, args ...interface{}) error