git.giacomolli.uk - onechat/blob - main.go

   1 // Command onechat runs the agent daemon and its terminal client.
   2 package main
   3
   4 import (
   5         "context"
   6         "fmt"
   7         "os"
   8         "os/signal"
   9         "strings"
  10         "syscall"
  11 )
  12
  13 // usage is the help text of the command.
  14 const usage = `Usage: onechat [COMMAND]
  15
  16 Commands:
  17   chat                     talk to the agent in this terminal (default)
  18   daemon                   run the agent, Telegram, and WhatsApp
  19   import [-n] ZIP...        import WhatsApp history (stop the daemon first)
  20     -n                     print the plan without model calls
  21   login                    log in to ChatGPT with a device code
  22   probe LOG COUNT [BUILDS] measure the compactor on a log, with real calls
  23   version                  show the build version
  24   help                     show this help
  25
  26 Chat needs a running daemon. ONECHAT_DIR sets the data directory.
  27 `
  28
  29 // version is set by the package build and stays dev for direct Go builds.
  30 var version = "dev"
  31
  32 func main() {
  33         err := run()
  34         if err != nil {
  35                 fmt.Fprintln(os.Stderr, "onechat:", err)
  36                 os.Exit(1)
  37         }
  38 }
  39
  40 func run() error {
  41         ctx, cancel := signal.NotifyContext(context.Background(), os.Interrupt, syscall.SIGTERM)
  42         defer cancel()
  43
  44         args := os.Args[1:]
  45         switch {
  46         case len(args) == 1 && (args[0] == "help" || args[0] == "--help" || args[0] == "-h"):
  47                 _, err := fmt.Print(usage)
  48                 if err != nil {
  49                         return fmt.Errorf("write command help: %w", err)
  50                 }
  51         case len(args) == 1 && args[0] == "version":
  52                 _, err := fmt.Println(version)
  53                 if err != nil {
  54                         return fmt.Errorf("write build version: %w", err)
  55                 }
  56         case len(args) == 1 && args[0] == "login":
  57                 err := chatgptLogin(ctx, os.Stdout)
  58                 if err != nil {
  59                         return err
  60                 }
  61
  62         // A signal is the normal stop of the daemon and the client, so their
  63         // result does not include ctx.Err().
  64         case len(args) == 1 && args[0] == "daemon":
  65                 return daemon(ctx, os.Stdout)
  66         case len(args) == 0 || len(args) == 1 && args[0] == "chat":
  67                 return terminal(ctx, os.Stdin, os.Stdout)
  68         case len(args) > 0 && args[0] == "import":
  69                 return whatsappImport(ctx, args[1:], os.Stdout)
  70         case len(args) > 0 && args[0] == "probe":
  71                 err := probe(ctx, args[1:], os.Stdout)
  72                 if err != nil {
  73                         return err
  74                 }
  75         default:
  76                 return fmt.Errorf("unknown command %q\n\n%s", strings.Join(args, " "), strings.TrimSuffix(usage, "\n"))
  77         }
  78
  79         return ctx.Err()
  80 }