Function Capture

cli/clitest/golden.go:147–152

Capture sets up stdout and stderr writers on the invocation that prefix each line with "out: " or "err: " while preserving their order.

(inv *serpent.Invocation)

// Capture sets up stdout and stderr writers on the invocation that prefix each
// line with "out: " or "err: " while preserving their order.
func Capture(inv *serpent.Invocation) *Output {
	output := &Output{}
	inv.Stdout = &prefixWriter{mu: &output.mu, prefix: "out: ", raw: &output.stdout, combined: &output.combined}
	inv.Stderr = &prefixWriter{mu: &output.mu, prefix: "err: ", raw: &output.stderr, combined: &output.combined}
	return output
}

// Golden returns the formatted output with lines prefixed by "err: " or "out: ".
func (o *Output) Golden() []byte {