1// Package app wires together services, coordinates agents, and manages
2// application lifecycle.
3package app
4
5import (
6 "context"
7 "database/sql"
8 "errors"
9 "fmt"
10 "io"
11 "log/slog"
12 "os"
13 "strings"
14 "sync"
15 "time"
16
17 tea "charm.land/bubbletea/v2"
18 "charm.land/catwalk/pkg/catwalk"
19 "charm.land/fantasy"
20 "charm.land/lipgloss/v2"
21 "github.com/charmbracelet/crush/internal/agent"
22 "github.com/charmbracelet/crush/internal/agent/notify"
23 "github.com/charmbracelet/crush/internal/agent/tools/mcp"
24 "github.com/charmbracelet/crush/internal/config"
25 "github.com/charmbracelet/crush/internal/db"
26 "github.com/charmbracelet/crush/internal/event"
27 "github.com/charmbracelet/crush/internal/filetracker"
28 "github.com/charmbracelet/crush/internal/format"
29 "github.com/charmbracelet/crush/internal/history"
30 "github.com/charmbracelet/crush/internal/log"
31 "github.com/charmbracelet/crush/internal/lsp"
32 "github.com/charmbracelet/crush/internal/message"
33 "github.com/charmbracelet/crush/internal/permission"
34 "github.com/charmbracelet/crush/internal/pubsub"
35 "github.com/charmbracelet/crush/internal/session"
36 "github.com/charmbracelet/crush/internal/shell"
37 "github.com/charmbracelet/crush/internal/skills"
38 "github.com/charmbracelet/crush/internal/ui/anim"
39 "github.com/charmbracelet/crush/internal/ui/styles"
40 "github.com/charmbracelet/crush/internal/update"
41 "github.com/charmbracelet/crush/internal/version"
42 "github.com/charmbracelet/x/ansi"
43 "github.com/charmbracelet/x/exp/charmtone"
44 "github.com/charmbracelet/x/term"
45)
46
47// UpdateAvailableMsg is sent when a new version is available.
48type UpdateAvailableMsg struct {
49 CurrentVersion string
50 LatestVersion string
51 IsDevelopment bool
52}
53
54type App struct {
55 Sessions session.Service
56 Messages message.Service
57 History history.Service
58 Permissions permission.Service
59 FileTracker filetracker.Service
60
61 AgentCoordinator agent.Coordinator
62
63 LSPManager *lsp.Manager
64
65 Skills *skills.Manager
66
67 config *config.ConfigStore
68
69 serviceEventsWG *sync.WaitGroup
70 eventsCtx context.Context
71 events *pubsub.Broker[tea.Msg]
72 tuiWG *sync.WaitGroup
73
74 // global context and cleanup functions
75 globalCtx context.Context
76 cleanupFuncs []func(context.Context) error
77 agentNotifications *pubsub.Broker[notify.Notification]
78 // runCompletions is the authoritative per-run completion signal,
79 // emitted once per top-level agent turn after all message
80 // updates have been flushed. Bridged into app.events so SSE
81 // subscribers (notably `crush run` in client/server mode) can
82 // drive their exit on a deterministic, payload-bearing event
83 // instead of guessing from message finish parts.
84 runCompletions *pubsub.Broker[notify.RunComplete]
85}
86
87// New initializes a new application instance. skillsMgr carries the
88// per-workspace skill discovery results computed by the caller; the
89// caller is responsible for constructing it (typically via
90// skills.NewManager + skills.DiscoverFromConfig).
91func New(ctx context.Context, conn *sql.DB, store *config.ConfigStore, skillsMgr *skills.Manager) (*App, error) {
92 q := db.New(conn)
93 sessions := session.NewService(q, conn)
94 messages := message.NewService(q)
95 files := history.NewService(q, conn)
96 cfg := store.Config()
97 skipPermissionsRequests := store.Overrides().SkipPermissionRequests
98 var allowedTools []string
99 if cfg.Permissions != nil && cfg.Permissions.AllowedTools != nil {
100 allowedTools = cfg.Permissions.AllowedTools
101 }
102
103 app := &App{
104 Sessions: sessions,
105 Messages: messages,
106 History: files,
107 Permissions: permission.NewPermissionService(store.WorkingDir(), skipPermissionsRequests, allowedTools),
108 FileTracker: filetracker.NewService(q),
109 LSPManager: lsp.NewManager(store),
110 Skills: skillsMgr,
111
112 globalCtx: ctx,
113
114 config: store,
115
116 events: pubsub.NewBroker[tea.Msg](),
117 serviceEventsWG: &sync.WaitGroup{},
118 tuiWG: &sync.WaitGroup{},
119 agentNotifications: pubsub.NewBroker[notify.Notification](),
120 runCompletions: pubsub.NewBroker[notify.RunComplete](),
121 }
122
123 app.setupEvents()
124
125 // Check for updates in the background.
126 go app.checkForUpdates(ctx)
127
128 go mcp.Initialize(ctx, app.Permissions, store)
129
130 // Release the shared database connection on shutdown. The pool
131 // closes the underlying *sql.DB when the last reference is released.
132 dataDir := cfg.Options.DataDirectory
133 app.cleanupFuncs = append(
134 app.cleanupFuncs,
135 func(context.Context) error { return db.Release(dataDir) },
136 func(ctx context.Context) error { return mcp.Close(ctx) },
137 )
138
139 // TODO: remove the concept of agent config, most likely.
140 if !cfg.IsConfigured() {
141 slog.Warn("No agent configuration found")
142 return app, nil
143 }
144 if err := app.InitCoderAgent(ctx); err != nil {
145 return nil, fmt.Errorf("failed to initialize coder agent: %w", err)
146 }
147
148 // Set up callback for LSP state updates.
149 app.LSPManager.SetCallback(func(name string, client *lsp.Client) {
150 if client == nil {
151 updateLSPState(name, lsp.StateUnstarted, nil, nil, 0)
152 return
153 }
154 client.SetDiagnosticsCallback(updateLSPDiagnostics)
155 updateLSPState(name, client.GetServerState(), nil, client, 0)
156 })
157 go app.LSPManager.TrackConfigured()
158
159 return app, nil
160}
161
162// Config returns the pure-data configuration.
163func (app *App) Config() *config.Config {
164 return app.config.Config()
165}
166
167// Store returns the config store.
168func (app *App) Store() *config.ConfigStore {
169 return app.config
170}
171
172// Events returns a per-caller subscription channel for application events.
173// Each caller receives its own channel; all callers receive every event.
174func (app *App) Events(ctx context.Context) <-chan pubsub.Event[tea.Msg] {
175 return app.events.Subscribe(ctx)
176}
177
178// SendEvent publishes a message to all event subscribers.
179func (app *App) SendEvent(msg tea.Msg) {
180 app.events.Publish(pubsub.UpdatedEvent, msg)
181}
182
183// AgentNotifications returns the broker for agent notification events.
184func (app *App) AgentNotifications() *pubsub.Broker[notify.Notification] {
185 return app.agentNotifications
186}
187
188// resolveSession resolves which session to use for a non-interactive run
189// If continueSessionID is set, it looks up that session by ID
190// If useLast is set, it returns the most recently updated top-level session
191// Otherwise, it creates a new session
192func (app *App) resolveSession(ctx context.Context, continueSessionID string, useLast bool) (session.Session, error) {
193 switch {
194 case continueSessionID != "":
195 if app.Sessions.IsAgentToolSession(continueSessionID) {
196 return session.Session{}, fmt.Errorf("cannot continue an agent tool session: %s", continueSessionID)
197 }
198 sess, err := app.Sessions.Get(ctx, continueSessionID)
199 if err != nil {
200 return session.Session{}, fmt.Errorf("session not found: %s", continueSessionID)
201 }
202 if sess.ParentSessionID != "" {
203 return session.Session{}, fmt.Errorf("cannot continue a child session: %s", continueSessionID)
204 }
205 return sess, nil
206
207 case useLast:
208 sess, err := app.Sessions.GetLast(ctx)
209 if err != nil {
210 return session.Session{}, fmt.Errorf("no sessions found to continue")
211 }
212 return sess, nil
213
214 default:
215 return app.Sessions.Create(ctx, agent.DefaultSessionName)
216 }
217}
218
219// RunNonInteractive runs the application in non-interactive mode with the
220// given prompt, printing to stdout.
221func (app *App) RunNonInteractive(ctx context.Context, output io.Writer, prompt, largeModel, smallModel string, hideSpinner bool, continueSessionID string, useLast bool) error {
222 slog.Info("Running in non-interactive mode")
223
224 ctx, cancel := context.WithCancel(ctx)
225 defer cancel()
226
227 if largeModel != "" || smallModel != "" {
228 if err := app.overrideModelsForNonInteractive(ctx, largeModel, smallModel); err != nil {
229 return fmt.Errorf("failed to override models: %w", err)
230 }
231 }
232
233 var (
234 spinner *format.Spinner
235 stdoutTTY bool
236 stderrTTY bool
237 stdinTTY bool
238 progress bool
239 )
240
241 if f, ok := output.(*os.File); ok {
242 stdoutTTY = term.IsTerminal(f.Fd())
243 }
244 stderrTTY = term.IsTerminal(os.Stderr.Fd())
245 stdinTTY = term.IsTerminal(os.Stdin.Fd())
246 progress = app.config.Config().Options.Progress == nil || *app.config.Config().Options.Progress
247
248 if !hideSpinner && stderrTTY {
249 t := styles.ThemeForProvider(app.config.Config().Models[config.SelectedModelTypeLarge].Provider)
250
251 // Detect background color to set the appropriate color for the
252 // spinner's 'Generating...' text. Without this, that text would be
253 // unreadable in light terminals.
254 hasDarkBG := true
255 if f, ok := output.(*os.File); ok && stdinTTY && stdoutTTY {
256 hasDarkBG = lipgloss.HasDarkBackground(os.Stdin, f)
257 }
258 defaultFG := lipgloss.LightDark(hasDarkBG)(charmtone.Pepper, t.WorkingLabelColor)
259
260 spinner = format.NewSpinner(ctx, cancel, anim.Settings{
261 Size: 10,
262 Label: "Generating",
263 LabelColor: defaultFG,
264 GradColorA: t.WorkingGradFromColor,
265 GradColorB: t.WorkingGradToColor,
266 CycleColors: true,
267 })
268 spinner.Start()
269 }
270
271 // Helper function to stop spinner once.
272 stopSpinner := func() {
273 if !hideSpinner && spinner != nil {
274 spinner.Stop()
275 spinner = nil
276 }
277 }
278
279 // Wait for MCP initialization to complete before reading MCP tools.
280 if err := mcp.WaitForInit(ctx); err != nil {
281 return fmt.Errorf("failed to wait for MCP initialization: %w", err)
282 }
283
284 // force update of agent models before running so mcp tools are loaded
285 app.AgentCoordinator.UpdateModels(ctx)
286
287 defer stopSpinner()
288
289 sess, err := app.resolveSession(ctx, continueSessionID, useLast)
290 if err != nil {
291 return fmt.Errorf("failed to create session for non-interactive mode: %w", err)
292 }
293
294 if continueSessionID != "" || useLast {
295 slog.Info("Continuing session for non-interactive run", "session_id", sess.ID)
296 } else {
297 slog.Info("Created session for non-interactive run", "session_id", sess.ID)
298 }
299
300 // Automatically approve all permission requests for this non-interactive
301 // session.
302 app.Permissions.AutoApproveSession(sess.ID)
303
304 type response struct {
305 result *fantasy.AgentResult
306 err error
307 }
308 done := make(chan response, 1)
309
310 go func(ctx context.Context, sessionID, prompt string) {
311 result, err := app.AgentCoordinator.Run(ctx, sess.ID, prompt)
312 if err != nil {
313 done <- response{
314 err: fmt.Errorf("failed to start agent processing stream: %w", err),
315 }
316 return
317 }
318 done <- response{
319 result: result,
320 }
321 }(ctx, sess.ID, prompt)
322
323 messageEvents := app.Messages.Subscribe(ctx)
324 messageReadBytes := make(map[string]int)
325 var printed bool
326
327 defer func() {
328 if progress && stderrTTY {
329 _, _ = fmt.Fprintf(os.Stderr, ansi.ResetProgressBar)
330 }
331
332 // Always print a newline at the end. If output is a TTY this will
333 // prevent the prompt from overwriting the last line of output.
334 _, _ = fmt.Fprintln(output)
335 }()
336
337 for {
338 if progress && stderrTTY {
339 // HACK: Reinitialize the terminal progress bar on every iteration
340 // so it doesn't get hidden by the terminal due to inactivity.
341 _, _ = fmt.Fprintf(os.Stderr, ansi.SetIndeterminateProgressBar)
342 }
343
344 select {
345 case result := <-done:
346 stopSpinner()
347 if result.err != nil {
348 if errors.Is(result.err, context.Canceled) || errors.Is(result.err, agent.ErrRequestCancelled) {
349 slog.Debug("Non-interactive: agent processing cancelled", "session_id", sess.ID)
350 return nil
351 }
352 return fmt.Errorf("agent processing failed: %w", result.err)
353 }
354 return nil
355
356 case event := <-messageEvents:
357 msg := event.Payload
358 if msg.SessionID == sess.ID && msg.Role == message.Assistant && len(msg.Parts) > 0 {
359 stopSpinner()
360
361 content := msg.Content().String()
362 readBytes := messageReadBytes[msg.ID]
363
364 if len(content) < readBytes {
365 slog.Error("Non-interactive: message content is shorter than read bytes", "message_length", len(content), "read_bytes", readBytes)
366 return fmt.Errorf("message content is shorter than read bytes: %d < %d", len(content), readBytes)
367 }
368
369 part := content[readBytes:]
370 // Trim leading whitespace. Sometimes the LLM includes leading
371 // formatting and intentation, which we don't want here.
372 if readBytes == 0 {
373 part = strings.TrimLeft(part, " \t")
374 }
375 // Ignore initial whitespace-only messages.
376 if printed || strings.TrimSpace(part) != "" {
377 printed = true
378 fmt.Fprint(output, part)
379 }
380 messageReadBytes[msg.ID] = len(content)
381 }
382
383 case <-ctx.Done():
384 stopSpinner()
385 return ctx.Err()
386 }
387 }
388}
389
390func (app *App) UpdateAgentModel(ctx context.Context) error {
391 if app.AgentCoordinator == nil {
392 return fmt.Errorf("agent configuration is missing")
393 }
394 return app.AgentCoordinator.UpdateModels(ctx)
395}
396
397// overrideModelsForNonInteractive parses the model strings and temporarily
398// overrides the model configurations, then rebuilds the agent.
399// Format: "model-name" (searches all providers) or "provider/model-name".
400// Model matching is case-insensitive.
401// If largeModel is provided but smallModel is not, the small model defaults to
402// the provider's default small model.
403func (app *App) overrideModelsForNonInteractive(ctx context.Context, largeModel, smallModel string) error {
404 providers := app.config.Config().Providers.Copy()
405
406 largeMatches, smallMatches, err := findModels(providers, largeModel, smallModel)
407 if err != nil {
408 return err
409 }
410
411 var largeProviderID string
412
413 // Override large model.
414 if largeModel != "" {
415 found, err := validateMatches(largeMatches, largeModel, "large")
416 if err != nil {
417 return err
418 }
419 largeProviderID = found.provider
420 slog.Info("Overriding large model for non-interactive run", "provider", found.provider, "model", found.modelID)
421 app.config.Config().Models[config.SelectedModelTypeLarge] = config.SelectedModel{
422 Provider: found.provider,
423 Model: found.modelID,
424 }
425 }
426
427 // Override small model.
428 switch {
429 case smallModel != "":
430 found, err := validateMatches(smallMatches, smallModel, "small")
431 if err != nil {
432 return err
433 }
434 slog.Info("Overriding small model for non-interactive run", "provider", found.provider, "model", found.modelID)
435 app.config.Config().Models[config.SelectedModelTypeSmall] = config.SelectedModel{
436 Provider: found.provider,
437 Model: found.modelID,
438 }
439
440 case largeModel != "":
441 // No small model specified, but large model was - use provider's default.
442 smallCfg := app.GetDefaultSmallModel(largeProviderID)
443 app.config.Config().Models[config.SelectedModelTypeSmall] = smallCfg
444 }
445
446 return app.AgentCoordinator.UpdateModels(ctx)
447}
448
449// GetDefaultSmallModel returns the default small model for the given
450// provider. Falls back to the large model if no default is found.
451func (app *App) GetDefaultSmallModel(providerID string) config.SelectedModel {
452 cfg := app.config.Config()
453 largeModelCfg := cfg.Models[config.SelectedModelTypeLarge]
454
455 // Find the provider in the known providers list to get its default small model.
456 knownProviders, _ := config.Providers(cfg)
457 var knownProvider *catwalk.Provider
458 for _, p := range knownProviders {
459 if string(p.ID) == providerID {
460 knownProvider = &p
461 break
462 }
463 }
464
465 // For unknown/local providers, use the large model as small.
466 if knownProvider == nil {
467 slog.Warn("Using large model as small model for unknown provider", "provider", providerID, "model", largeModelCfg.Model)
468 return largeModelCfg
469 }
470
471 defaultSmallModelID := knownProvider.DefaultSmallModelID
472 model := cfg.GetModel(providerID, defaultSmallModelID)
473 if model == nil {
474 slog.Warn("Default small model not found, using large model", "provider", providerID, "model", largeModelCfg.Model)
475 return largeModelCfg
476 }
477
478 slog.Info("Using provider default small model", "provider", providerID, "model", defaultSmallModelID)
479 return config.SelectedModel{
480 Provider: providerID,
481 Model: defaultSmallModelID,
482 MaxTokens: model.DefaultMaxTokens,
483 ReasoningEffort: model.DefaultReasoningEffort,
484 }
485}
486
487func (app *App) setupEvents() {
488 ctx, cancel := context.WithCancel(app.globalCtx)
489 app.eventsCtx = ctx
490 setupSubscriber(ctx, app.serviceEventsWG, "sessions", app.Sessions.Subscribe, app.events)
491 setupSubscriber(ctx, app.serviceEventsWG, "messages", app.Messages.Subscribe, app.events)
492 setupSubscriber(ctx, app.serviceEventsWG, "permissions", app.Permissions.Subscribe, app.events)
493 setupSubscriber(ctx, app.serviceEventsWG, "permissions-notifications", app.Permissions.SubscribeNotifications, app.events)
494 setupSubscriber(ctx, app.serviceEventsWG, "history", app.History.Subscribe, app.events)
495 setupSubscriber(ctx, app.serviceEventsWG, "agent-notifications", app.agentNotifications.Subscribe, app.events)
496 setupSubscriberMustDeliver(ctx, app.serviceEventsWG, "run-completions", app.runCompletions.Subscribe, app.events)
497 setupSubscriber(ctx, app.serviceEventsWG, "mcp", mcp.SubscribeEvents, app.events)
498 setupSubscriber(ctx, app.serviceEventsWG, "lsp", SubscribeLSPEvents, app.events)
499 if app.Skills != nil {
500 setupSubscriber(ctx, app.serviceEventsWG, "skills", app.Skills.SubscribeEvents, app.events)
501 }
502 cleanupFunc := func(context.Context) error {
503 cancel()
504 app.serviceEventsWG.Wait()
505 app.events.Shutdown()
506 return nil
507 }
508 app.cleanupFuncs = append(app.cleanupFuncs, cleanupFunc)
509}
510
511func setupSubscriber[T any](
512 ctx context.Context,
513 wg *sync.WaitGroup,
514 name string,
515 subscriber func(context.Context) <-chan pubsub.Event[T],
516 broker *pubsub.Broker[tea.Msg],
517) {
518 wg.Go(func() {
519 subCh := subscriber(ctx)
520 for {
521 select {
522 case event, ok := <-subCh:
523 if !ok {
524 slog.Debug("Subscription channel closed", "name", name)
525 return
526 }
527 broker.Publish(pubsub.UpdatedEvent, tea.Msg(event))
528 case <-ctx.Done():
529 slog.Debug("Subscription cancelled", "name", name)
530 return
531 }
532 }
533 })
534}
535
536// setupSubscriberMustDeliver is the bounded-blocking fan-in variant of
537// setupSubscriber: it re-publishes upstream events onto the shared
538// app.events broker using PublishMustDeliver instead of Publish. Use
539// this for terminal events that subscribers cannot tolerate losing —
540// notably RunComplete, which is the authoritative end-of-run signal
541// for `crush run`. A lossy fan-in here can drop the only terminal
542// event and hang non-interactive clients waiting on it.
543func setupSubscriberMustDeliver[T any](
544 ctx context.Context,
545 wg *sync.WaitGroup,
546 name string,
547 subscriber func(context.Context) <-chan pubsub.Event[T],
548 broker *pubsub.Broker[tea.Msg],
549) {
550 wg.Go(func() {
551 subCh := subscriber(ctx)
552 for {
553 select {
554 case event, ok := <-subCh:
555 if !ok {
556 slog.Debug("Subscription channel closed", "name", name)
557 return
558 }
559 broker.PublishMustDeliver(ctx, pubsub.UpdatedEvent, tea.Msg(event))
560 case <-ctx.Done():
561 slog.Debug("Subscription cancelled", "name", name)
562 return
563 }
564 }
565 })
566}
567
568func (app *App) InitCoderAgent(ctx context.Context) error {
569 coderAgentCfg := app.config.Config().Agents[config.AgentCoder]
570 if coderAgentCfg.ID == "" {
571 return fmt.Errorf("coder agent configuration is missing")
572 }
573 var err error
574 app.AgentCoordinator, err = agent.NewCoordinator(
575 ctx,
576 app.config,
577 app.Sessions,
578 app.Messages,
579 app.Permissions,
580 app.History,
581 app.FileTracker,
582 app.LSPManager,
583 app.agentNotifications,
584 app.runCompletions,
585 app.Skills,
586 )
587 if err != nil {
588 slog.Error("Failed to create coder agent", "err", err)
589 return err
590 }
591 return nil
592}
593
594// Subscribe sends events to the TUI as tea.Msgs.
595func (app *App) Subscribe(program *tea.Program) {
596 defer log.RecoverPanic("app.Subscribe", func() {
597 slog.Info("TUI subscription panic: attempting graceful shutdown")
598 program.Quit()
599 })
600
601 app.tuiWG.Add(1)
602 tuiCtx, tuiCancel := context.WithCancel(app.globalCtx)
603 app.cleanupFuncs = append(app.cleanupFuncs, func(context.Context) error {
604 slog.Debug("Cancelling TUI message handler")
605 tuiCancel()
606 app.tuiWG.Wait()
607 return nil
608 })
609 defer app.tuiWG.Done()
610
611 events := app.events.Subscribe(tuiCtx)
612 for {
613 select {
614 case <-tuiCtx.Done():
615 slog.Debug("TUI message handler shutting down")
616 return
617 case ev, ok := <-events:
618 if !ok {
619 slog.Debug("TUI message channel closed")
620 return
621 }
622 program.Send(ev.Payload)
623 }
624 }
625}
626
627// Shutdown performs a graceful shutdown of the application.
628func (app *App) Shutdown() {
629 start := time.Now()
630 defer func() { slog.Debug("Shutdown took " + time.Since(start).String()) }()
631
632 // First, cancel all agents and wait for them to finish. This must complete
633 // before closing the DB so agents can finish writing their state.
634 if app.AgentCoordinator != nil {
635 app.AgentCoordinator.CancelAll()
636 }
637
638 // Shared shutdown context for all timeout-bounded cleanup.
639 shutdownCtx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
640 defer cancel()
641
642 // Drain any debounced message updates before the DB-close cleanup
643 // runs in the parallel block below. message.Service buffers
644 // streaming deltas (see internal/message/message.go) and we must
645 // land them while the connection is still open.
646 if app.Messages != nil {
647 if err := app.Messages.FlushAll(shutdownCtx); err != nil {
648 slog.Error("Failed to flush pending message updates on shutdown", "error", err)
649 }
650 }
651
652 // Now run remaining cleanup tasks in parallel.
653 var wg sync.WaitGroup
654
655 // Send exit event
656 wg.Go(func() {
657 event.AppExited()
658 })
659
660 // Kill all background shells.
661 wg.Go(func() {
662 shell.GetBackgroundShellManager().KillAll(shutdownCtx)
663 })
664
665 // Shutdown all LSP clients.
666 wg.Go(func() {
667 app.LSPManager.KillAll(shutdownCtx)
668 })
669
670 // Call all cleanup functions.
671 for _, cleanup := range app.cleanupFuncs {
672 if cleanup != nil {
673 wg.Go(func() {
674 if err := cleanup(shutdownCtx); err != nil {
675 slog.Error("Failed to cleanup app properly on shutdown", "error", err)
676 }
677 })
678 }
679 }
680 wg.Wait()
681}
682
683// checkForUpdates checks for available updates.
684func (app *App) checkForUpdates(ctx context.Context) {
685 checkCtx, cancel := context.WithTimeout(ctx, 30*time.Second)
686 defer cancel()
687
688 info, err := update.Check(checkCtx, version.Version, update.Default)
689 if err != nil || !info.Available() {
690 return
691 }
692 app.events.Publish(pubsub.UpdatedEvent, UpdateAvailableMsg{
693 CurrentVersion: info.Current,
694 LatestVersion: info.Latest,
695 IsDevelopment: info.IsDevelopment(),
696 })
697}