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71 lines
2.3 KiB
Go
71 lines
2.3 KiB
Go
package errors
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import (
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stderrors "errors"
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"fmt"
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"github.com/pkg/errors"
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)
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// New creates a new error based on message. Wrapped so that this package does
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// not appear in the stack trace.
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var New = errors.New
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// Errorf creates an error based on a format string and values. Wrapped so that
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// this package does not appear in the stack trace.
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var Errorf = errors.Errorf
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// Wrap wraps an error retrieved from outside of restic. Wrapped so that this
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// package does not appear in the stack trace.
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var Wrap = errors.Wrap
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// Wrapf returns an error annotating err with the format specifier. If err is
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// nil, Wrapf returns nil.
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var Wrapf = errors.Wrapf
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// WithStack annotates err with a stack trace at the point WithStack was called.
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// If err is nil, WithStack returns nil.
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var WithStack = errors.WithStack
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// Go 1.13-style error handling.
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// As finds the first error in err's tree that matches target, and if one is found,
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// sets target to that error value and returns true. Otherwise, it returns false.
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func As(err error, tgt interface{}) bool { return stderrors.As(err, tgt) }
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// Is reports whether any error in err's tree matches target.
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func Is(x, y error) bool { return stderrors.Is(x, y) }
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// Unwrap returns the result of calling the Unwrap method on err, if err's type contains
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// an Unwrap method returning error. Otherwise, Unwrap returns nil.
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//
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// Unwrap only calls a method of the form "Unwrap() error". In particular Unwrap does not
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// unwrap errors returned by [Join].
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func Unwrap(err error) error { return stderrors.Unwrap(err) }
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// CombineErrors combines multiple errors into a single error after filtering out any nil values.
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// If no errors are passed, it returns nil.
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// If one error is passed, it simply returns that same error.
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func CombineErrors(errors ...error) (err error) {
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var combinedErrorMsg string
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var multipleErrors bool
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for _, errVal := range errors {
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if errVal != nil {
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if combinedErrorMsg != "" {
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combinedErrorMsg += "; " // Separate error messages with a delimiter
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multipleErrors = true
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} else {
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// Set the first error
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err = errVal
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}
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combinedErrorMsg += errVal.Error()
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}
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}
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if combinedErrorMsg == "" {
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return nil // If no errors, return nil
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} else if !multipleErrors {
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return err // If only one error, return that first error
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}
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return fmt.Errorf("multiple errors occurred: [%s]", combinedErrorMsg)
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}
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