|
| 1 | +package commands |
| 2 | + |
| 3 | +import ( |
| 4 | + "errors" |
| 5 | + "fmt" |
| 6 | + "os" |
| 7 | + "os/exec" |
| 8 | + "path/filepath" |
| 9 | + "strings" |
| 10 | + |
| 11 | + "github.com/Bananenpro/cli" |
| 12 | + "github.com/Bananenpro/pflag" |
| 13 | + "github.com/code-game-project/codegame-cli/util/cgfile" |
| 14 | +) |
| 15 | + |
| 16 | +func Run() error { |
| 17 | + flagSet := pflag.NewFlagSet("run", pflag.ExitOnError) |
| 18 | + flagSet.ParseErrorsWhitelist = pflag.ParseErrorsWhitelist{ |
| 19 | + UnknownFlags: true, |
| 20 | + PassUnknownFlagsToArgs: true, |
| 21 | + } |
| 22 | + |
| 23 | + var overrideURL string |
| 24 | + flagSet.StringVarP(&overrideURL, "override-url", "u", "", "Override the game URL in .codegame.json for this specific run.") |
| 25 | + var help bool |
| 26 | + flagSet.BoolVarP(&help, "help", "h", false, "Show help.") |
| 27 | + |
| 28 | + if help { |
| 29 | + fmt.Fprintf(os.Stderr, "Usage: %s run [...]\n", os.Args[0]) |
| 30 | + fmt.Fprintln(os.Stderr, "\nOptions:") |
| 31 | + flagSet.PrintDefaults() |
| 32 | + os.Exit(1) |
| 33 | + } |
| 34 | + flagSet.Parse(os.Args[2:]) |
| 35 | + |
| 36 | + root, err := findProjectRoot() |
| 37 | + if err != nil { |
| 38 | + return cli.Error("Not in a CodeGame project directory") |
| 39 | + } |
| 40 | + |
| 41 | + data, err := cgfile.LoadCodeGameFile(root) |
| 42 | + if err != nil { |
| 43 | + return cli.Error("Failed to load .codegame.json") |
| 44 | + } |
| 45 | + |
| 46 | + url := data.URL |
| 47 | + if overrideURL != "" { |
| 48 | + url = overrideURL |
| 49 | + } |
| 50 | + |
| 51 | + var cmdName string |
| 52 | + args := []string{} |
| 53 | + switch data.Lang { |
| 54 | + case "go": |
| 55 | + cmdName = "go" |
| 56 | + args = append(args, "run") |
| 57 | + default: |
| 58 | + return cli.Error("'run' is not supported for '%s'", data.Lang) |
| 59 | + } |
| 60 | + args = append(args, flagSet.Args()...) |
| 61 | + |
| 62 | + env := make([]string, 0, len(os.Environ())+1) |
| 63 | + env = append(env, "CG_GAME_URL="+url) |
| 64 | + env = append(env, os.Environ()...) |
| 65 | + |
| 66 | + if _, err := exec.LookPath(cmdName); err != nil { |
| 67 | + cli.Error("'%s' ist not installed!", cmdName) |
| 68 | + return err |
| 69 | + } |
| 70 | + |
| 71 | + cmd := exec.Command(cmdName, args...) |
| 72 | + cmd.Stdin = os.Stdin |
| 73 | + cmd.Stdout = os.Stdout |
| 74 | + cmd.Stderr = os.Stderr |
| 75 | + cmd.Env = env |
| 76 | + |
| 77 | + err = cmd.Run() |
| 78 | + if err != nil { |
| 79 | + cli.Error("Failed to run 'CG_GAME_URL=%s %s %s'", url, cmdName, strings.Join(args, " ")) |
| 80 | + } |
| 81 | + return nil |
| 82 | +} |
| 83 | + |
| 84 | +func findProjectRoot() (string, error) { |
| 85 | + dir, err := os.Getwd() |
| 86 | + if err != nil { |
| 87 | + return "", err |
| 88 | + } |
| 89 | + |
| 90 | + for { |
| 91 | + entries, err := os.ReadDir(dir) |
| 92 | + if err != nil { |
| 93 | + return "", err |
| 94 | + } |
| 95 | + for _, entry := range entries { |
| 96 | + if !entry.IsDir() && entry.Name() == ".codegame.json" { |
| 97 | + return dir, nil |
| 98 | + } |
| 99 | + } |
| 100 | + |
| 101 | + parent := filepath.Dir(filepath.Clean(dir)) |
| 102 | + if parent == dir { |
| 103 | + return "", errors.New("not found") |
| 104 | + } |
| 105 | + dir = parent |
| 106 | + } |
| 107 | +} |
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