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The only use cases in the code were in errors.IsFatal, backend/b2, which needs a workaround, and backend.ParseLayout. The last of these requires all backends to implement error unwrapping in IsNotExist. All backends except gs already did that.
32 lines
726 B
Go
32 lines
726 B
Go
package errors
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import (
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"errors"
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"fmt"
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)
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// fatalError is an error that should be printed to the user, then the program
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// should exit with an error code.
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type fatalError string
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func (e fatalError) Error() string {
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return string(e)
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}
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// IsFatal returns true if err is a fatal message that should be printed to the
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// user. Then, the program should exit.
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func IsFatal(err error) bool {
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var fatal fatalError
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return errors.As(err, &fatal)
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}
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// Fatal returns an error that is marked fatal.
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func Fatal(s string) error {
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return Wrap(fatalError(s), "Fatal")
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}
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// Fatalf returns an error that is marked fatal.
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func Fatalf(s string, data ...interface{}) error {
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return Wrap(fatalError(fmt.Sprintf(s, data...)), "Fatal")
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}
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