(env *execenv.Env, opts bridgePullOptions, args []string)
| 47 | } |
| 48 | |
| 49 | func runBridgePull(env *execenv.Env, opts bridgePullOptions, args []string) error { |
| 50 | if opts.noResume && opts.importSince != "" { |
| 51 | return fmt.Errorf("only one of --no-resume and --since flags should be used") |
| 52 | } |
| 53 | |
| 54 | var b *core.Bridge |
| 55 | var err error |
| 56 | |
| 57 | if len(args) == 0 { |
| 58 | b, err = bridge.DefaultBridge(env.Backend) |
| 59 | } else { |
| 60 | b, err = bridge.LoadBridge(env.Backend, args[0]) |
| 61 | } |
| 62 | |
| 63 | if err != nil { |
| 64 | return err |
| 65 | } |
| 66 | |
| 67 | parentCtx := context.Background() |
| 68 | ctx, cancel := context.WithCancel(parentCtx) |
| 69 | defer cancel() |
| 70 | |
| 71 | // buffered channel to avoid send block at the end |
| 72 | done := make(chan struct{}, 1) |
| 73 | |
| 74 | var mu sync.Mutex |
| 75 | interruptCount := 0 |
| 76 | interrupt.RegisterCleaner(func() error { |
| 77 | mu.Lock() |
| 78 | if interruptCount > 0 { |
| 79 | env.Err.Println("Received another interrupt before graceful stop, terminating...") |
| 80 | os.Exit(0) |
| 81 | } |
| 82 | |
| 83 | interruptCount++ |
| 84 | mu.Unlock() |
| 85 | |
| 86 | env.Err.Println("Received interrupt signal, stopping the import...\n(Hit ctrl-c again to kill the process.)") |
| 87 | |
| 88 | // send signal to stop the importer |
| 89 | cancel() |
| 90 | |
| 91 | // block until importer gracefully shutdown |
| 92 | <-done |
| 93 | return nil |
| 94 | }) |
| 95 | |
| 96 | var events <-chan core.ImportResult |
| 97 | switch { |
| 98 | case opts.noResume: |
| 99 | events, err = b.ImportAllSince(ctx, time.Time{}) |
| 100 | case opts.importSince != "": |
| 101 | since, err2 := parseSince(opts.importSince) |
| 102 | if err2 != nil { |
| 103 | return errors.Wrap(err2, "import time parsing") |
| 104 | } |
| 105 | events, err = b.ImportAllSince(ctx, since) |
| 106 | default: |
no test coverage detected