func (e *execError) Details() string {
out := &bytes.Buffer{}
fmt.Fprintf(out, "Command: %v\n", e.cmd)
if len(e.stdOut) > 0 {
fmt.Fprintf(out, "Standard output:\n")
w := prefixwriter.New(" ", out)
w.Write(bytes.TrimSpace(e.stdOut))
fmt.Fprintf(out, "\n")
}
if len(e.errOut) > 0 {
fmt.Fprintf(out, "Error output:\n")
w := prefixwriter.New(" ", out)
w.Write(bytes.TrimSpace(e.errOut))
fmt.Fprintf(out, "\n")
}
return out.String()
}
func PrintError(err error, out io.Writer) {
fmt.Fprintf(out, "Error: %v\n", err)
if d, ok := err.(hasDetails); ok && len(d.Details()) > 0 {
fmt.Fprintf(out, "Details:\n")
w := prefixwriter.New(" ", out)
fmt.Fprintf(w, "%s\n", d.Details())
}
if s, ok := err.(hasSolution); ok && len(s.Solution()) > 0 {
fmt.Fprintf(out, "Solution:\n")
w := prefixwriter.New(" ", out)
fmt.Fprintf(w, "%s\n", s.Solution())
}
if c, ok := err.(hasCause); ok && c.Cause() != nil {
fmt.Fprintf(out, "Caused By:\n")
w := prefixwriter.New(" ", out)
PrintError(c.Cause(), w)
}
}
func PrintLog(out io.Writer, title string, content []byte) {
fmt.Fprintf(out, "%s:\n", title)
w := prefixwriter.New(" ", out)
w.Write(bytes.TrimSpace(content))
fmt.Fprintf(out, "\n")
}
// Failure writes out a failure marker for a task and outputs the error
// that caused the failure
func (p *TaskPrinter) Failure(err error) {
fmt.Fprintf(p.out, "FAIL\n")
PrintError(err, prefixwriter.New(taskIndent, p.out))
}
// TaskWriter is a writer that can be used to write task output
func (p *TaskPrinter) TaskWriter() io.Writer {
p.taskWriter = &taskWriter{w: p.out}
return prefixwriter.New(taskIndent, p.taskWriter)
}