| Tim Windelschmidt | 6d33a43 | 2025-02-04 14:34:25 +0100 | [diff] [blame] | 1 | // Copyright The Monogon Project Authors. |
| Serge Bazanski | 140bddc | 2020-06-05 21:01:19 +0200 | [diff] [blame] | 2 | // SPDX-License-Identifier: Apache-2.0 |
| Serge Bazanski | 140bddc | 2020-06-05 21:01:19 +0200 | [diff] [blame] | 3 | |
| 4 | package main |
| 5 | |
| 6 | import ( |
| Tim Windelschmidt | af821c8 | 2024-04-23 15:03:52 +0200 | [diff] [blame] | 7 | "errors" |
| Serge Bazanski | 140bddc | 2020-06-05 21:01:19 +0200 | [diff] [blame] | 8 | "log" |
| 9 | "os" |
| 10 | "os/exec" |
| 11 | ) |
| 12 | |
| 13 | func main() { |
| 14 | if len(os.Args) < 3 { |
| 15 | log.Fatalf("Usage: %s output_file program <args...>", os.Args[0]) |
| 16 | } |
| 17 | |
| 18 | f, err := os.Create(os.Args[1]) |
| 19 | if err != nil { |
| 20 | log.Fatalf("Create(%q): %v", os.Args[1], err) |
| 21 | } |
| 22 | defer f.Close() |
| 23 | |
| 24 | args := os.Args[3:] |
| 25 | cmd := exec.Command(os.Args[2], args...) |
| 26 | cmd.Stderr = os.Stderr |
| 27 | cmd.Stdout = f |
| 28 | |
| 29 | err = cmd.Run() |
| 30 | if err == nil { |
| 31 | return |
| 32 | } |
| 33 | |
| Tim Windelschmidt | af821c8 | 2024-04-23 15:03:52 +0200 | [diff] [blame] | 34 | var e *exec.ExitError |
| 35 | if errors.As(err, &e) { |
| Serge Bazanski | 140bddc | 2020-06-05 21:01:19 +0200 | [diff] [blame] | 36 | os.Exit(e.ExitCode()) |
| 37 | } |
| 38 | |
| 39 | log.Fatalf("Could not start command: %v", err) |
| 40 | } |