(format string, a ...any)
| 32 | var isTracingOn = os.Getenv("URFAVE_CLI_TRACING") == "on" |
| 33 | |
| 34 | func tracef(format string, a ...any) { |
| 35 | if !isTracingOn { |
| 36 | return |
| 37 | } |
| 38 | |
| 39 | if !strings.HasSuffix(format, "\n") { |
| 40 | format = format + "\n" |
| 41 | } |
| 42 | |
| 43 | pc, file, line, _ := runtime.Caller(1) |
| 44 | cf := runtime.FuncForPC(pc) |
| 45 | |
| 46 | fmt.Fprintf( |
| 47 | os.Stderr, |
| 48 | strings.Join([]string{ |
| 49 | "## URFAVE CLI TRACE ", |
| 50 | file, |
| 51 | ":", |
| 52 | fmt.Sprintf("%v", line), |
| 53 | " ", |
| 54 | fmt.Sprintf("(%s)", cf.Name()), |
| 55 | " ", |
| 56 | format, |
| 57 | }, ""), |
| 58 | a..., |
| 59 | ) |
| 60 | } |