43 lines
870 B
Go
43 lines
870 B
Go
package cmdutil
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import (
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"errors"
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"github.com/AlecAivazis/survey/v2/terminal"
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)
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// FlagError is the kind of error raised in flag processing
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type FlagError struct {
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Err error
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}
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func (fe FlagError) Error() string {
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return fe.Err.Error()
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}
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func (fe FlagError) Unwrap() error {
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return fe.Err
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}
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// SilentError is an error that triggers exit code 1 without any error messaging
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var SilentError = errors.New("SilentError")
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// CancelError signals user-initiated cancellation
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var CancelError = errors.New("CancelError")
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func IsUserCancellation(err error) bool {
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return errors.Is(err, CancelError) || errors.Is(err, terminal.InterruptErr)
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}
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func MutuallyExclusive(message string, conditions ...bool) error {
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numTrue := 0
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for _, ok := range conditions {
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if ok {
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numTrue++
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}
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}
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if numTrue > 1 {
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return &FlagError{Err: errors.New(message)}
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}
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return nil
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}
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