| 30 | } |
| 31 | |
| 32 | func main() { |
| 33 | dir := flag.String("dir", "", "directory to run from") |
| 34 | flag.Parse() |
| 35 | |
| 36 | if n := len(flag.Args()); n < 1 { |
| 37 | log.Fatalf("Expected at least 1 argument, got %d", n) |
| 38 | } |
| 39 | |
| 40 | cmd := exec.Command(flag.Arg(0), flag.Args()[1:]...) |
| 41 | cmd.Dir = *dir |
| 42 | cmd.Stdin = os.Stdin |
| 43 | cmd.Stdout = os.Stdout |
| 44 | cmd.Stderr = os.Stderr |
| 45 | if err := cmd.Run(); err != nil { |
| 46 | switch err := err.(type) { |
| 47 | case *exec.ExitError: |
| 48 | os.Exit(err.ExitCode()) |
| 49 | default: |
| 50 | log.Fatalf("Unknown error received: %s", err) |
| 51 | } |
| 52 | } |
| 53 | } |