1package config
2
3import (
4 "cmp"
5 "context"
6 "encoding/json"
7 "fmt"
8 "log/slog"
9 "maps"
10 "os"
11 "os/exec"
12 "path/filepath"
13 "runtime"
14 "slices"
15 "strconv"
16 "strings"
17 "testing"
18
19 "github.com/charmbracelet/catwalk/pkg/catwalk"
20 "github.com/charmbracelet/crush/internal/agent/hyper"
21 "github.com/charmbracelet/crush/internal/csync"
22 "github.com/charmbracelet/crush/internal/env"
23 "github.com/charmbracelet/crush/internal/fsext"
24 "github.com/charmbracelet/crush/internal/home"
25 "github.com/charmbracelet/crush/internal/log"
26 powernapConfig "github.com/charmbracelet/x/powernap/pkg/config"
27 "github.com/qjebbs/go-jsons"
28)
29
30const defaultCatwalkURL = "https://catwalk.charm.sh"
31
32// Load loads the configuration from the default paths.
33func Load(workingDir, dataDir string, debug bool) (*Config, error) {
34 configPaths := lookupConfigs(workingDir)
35
36 cfg, err := loadFromConfigPaths(configPaths)
37 if err != nil {
38 return nil, fmt.Errorf("failed to load config from paths %v: %w", configPaths, err)
39 }
40
41 cfg.dataConfigDir = GlobalConfigData()
42
43 cfg.setDefaults(workingDir, dataDir)
44
45 if debug {
46 cfg.Options.Debug = true
47 }
48
49 // Setup logs
50 log.Setup(
51 filepath.Join(cfg.Options.DataDirectory, "logs", fmt.Sprintf("%s.log", appName)),
52 cfg.Options.Debug,
53 )
54
55 if !isInsideWorktree() {
56 const depth = 2
57 const items = 100
58 slog.Warn("No git repository detected in working directory, will limit file walk operations", "depth", depth, "items", items)
59 assignIfNil(&cfg.Tools.Ls.MaxDepth, depth)
60 assignIfNil(&cfg.Tools.Ls.MaxItems, items)
61 assignIfNil(&cfg.Options.TUI.Completions.MaxDepth, depth)
62 assignIfNil(&cfg.Options.TUI.Completions.MaxItems, items)
63 }
64
65 // Load known providers, this loads the config from catwalk
66 providers, err := Providers(cfg)
67 if err != nil {
68 return nil, err
69 }
70 cfg.knownProviders = providers
71
72 env := env.New()
73 // Configure providers
74 valueResolver := NewShellVariableResolver(env)
75 cfg.resolver = valueResolver
76 if err := cfg.configureProviders(env, valueResolver, cfg.knownProviders); err != nil {
77 return nil, fmt.Errorf("failed to configure providers: %w", err)
78 }
79
80 if !cfg.IsConfigured() {
81 slog.Warn("No providers configured")
82 return cfg, nil
83 }
84
85 if err := cfg.configureSelectedModels(cfg.knownProviders); err != nil {
86 return nil, fmt.Errorf("failed to configure selected models: %w", err)
87 }
88 cfg.SetupAgents()
89 return cfg, nil
90}
91
92func PushPopCrushEnv() func() {
93 found := []string{}
94 for _, ev := range os.Environ() {
95 if strings.HasPrefix(ev, "CRUSH_") {
96 pair := strings.SplitN(ev, "=", 2)
97 if len(pair) != 2 {
98 continue
99 }
100 found = append(found, strings.TrimPrefix(pair[0], "CRUSH_"))
101 }
102 }
103 backups := make(map[string]string)
104 for _, ev := range found {
105 backups[ev] = os.Getenv(ev)
106 }
107
108 for _, ev := range found {
109 os.Setenv(ev, os.Getenv("CRUSH_"+ev))
110 }
111
112 restore := func() {
113 for k, v := range backups {
114 os.Setenv(k, v)
115 }
116 }
117 return restore
118}
119
120func (c *Config) configureProviders(env env.Env, resolver VariableResolver, knownProviders []catwalk.Provider) error {
121 knownProviderNames := make(map[string]bool)
122 restore := PushPopCrushEnv()
123 defer restore()
124
125 // When disable_default_providers is enabled, skip all default/embedded
126 // providers entirely. Users must fully specify any providers they want.
127 // We skip to the custom provider validation loop which handles all
128 // user-configured providers uniformly.
129 if c.Options.DisableDefaultProviders {
130 knownProviders = nil
131 }
132
133 for _, p := range knownProviders {
134 knownProviderNames[string(p.ID)] = true
135 config, configExists := c.Providers.Get(string(p.ID))
136 // if the user configured a known provider we need to allow it to override a couple of parameters
137 if configExists {
138 if config.BaseURL != "" {
139 p.APIEndpoint = config.BaseURL
140 }
141 if config.APIKey != "" {
142 p.APIKey = config.APIKey
143 }
144 if len(config.Models) > 0 {
145 models := []catwalk.Model{}
146 seen := make(map[string]bool)
147
148 for _, model := range config.Models {
149 if seen[model.ID] {
150 continue
151 }
152 seen[model.ID] = true
153 if model.Name == "" {
154 model.Name = model.ID
155 }
156 models = append(models, model)
157 }
158 for _, model := range p.Models {
159 if seen[model.ID] {
160 continue
161 }
162 seen[model.ID] = true
163 if model.Name == "" {
164 model.Name = model.ID
165 }
166 models = append(models, model)
167 }
168
169 p.Models = models
170 }
171 }
172
173 headers := map[string]string{}
174 if len(p.DefaultHeaders) > 0 {
175 maps.Copy(headers, p.DefaultHeaders)
176 }
177 if len(config.ExtraHeaders) > 0 {
178 maps.Copy(headers, config.ExtraHeaders)
179 }
180 for k, v := range headers {
181 resolved, err := resolver.ResolveValue(v)
182 if err != nil {
183 slog.Error("Could not resolve provider header", "err", err.Error())
184 continue
185 }
186 headers[k] = resolved
187 }
188 prepared := ProviderConfig{
189 ID: string(p.ID),
190 Name: p.Name,
191 BaseURL: p.APIEndpoint,
192 APIKey: p.APIKey,
193 APIKeyTemplate: p.APIKey, // Store original template for re-resolution
194 OAuthToken: config.OAuthToken,
195 Type: p.Type,
196 Disable: config.Disable,
197 SystemPromptPrefix: config.SystemPromptPrefix,
198 ExtraHeaders: headers,
199 ExtraBody: config.ExtraBody,
200 ExtraParams: make(map[string]string),
201 Models: p.Models,
202 }
203
204 switch {
205 case p.ID == catwalk.InferenceProviderAnthropic && config.OAuthToken != nil:
206 // Claude Code subscription is not supported anymore. Remove to show onboarding.
207 c.RemoveConfigField("providers.anthropic")
208 c.Providers.Del(string(p.ID))
209 continue
210 case p.ID == catwalk.InferenceProviderCopilot && config.OAuthToken != nil:
211 prepared.SetupGitHubCopilot()
212 }
213
214 switch p.ID {
215 // Handle specific providers that require additional configuration
216 case catwalk.InferenceProviderVertexAI:
217 if !hasVertexCredentials(env) {
218 if configExists {
219 slog.Warn("Skipping Vertex AI provider due to missing credentials")
220 c.Providers.Del(string(p.ID))
221 }
222 continue
223 }
224 prepared.ExtraParams["project"] = env.Get("VERTEXAI_PROJECT")
225 prepared.ExtraParams["location"] = env.Get("VERTEXAI_LOCATION")
226 case catwalk.InferenceProviderAzure:
227 endpoint, err := resolver.ResolveValue(p.APIEndpoint)
228 if err != nil || endpoint == "" {
229 if configExists {
230 slog.Warn("Skipping Azure provider due to missing API endpoint", "provider", p.ID, "error", err)
231 c.Providers.Del(string(p.ID))
232 }
233 continue
234 }
235 prepared.BaseURL = endpoint
236 prepared.ExtraParams["apiVersion"] = env.Get("AZURE_OPENAI_API_VERSION")
237 case catwalk.InferenceProviderBedrock:
238 if !hasAWSCredentials(env) {
239 if configExists {
240 slog.Warn("Skipping Bedrock provider due to missing AWS credentials")
241 c.Providers.Del(string(p.ID))
242 }
243 continue
244 }
245 prepared.ExtraParams["region"] = env.Get("AWS_REGION")
246 if prepared.ExtraParams["region"] == "" {
247 prepared.ExtraParams["region"] = env.Get("AWS_DEFAULT_REGION")
248 }
249 for _, model := range p.Models {
250 if !strings.HasPrefix(model.ID, "anthropic.") {
251 return fmt.Errorf("bedrock provider only supports anthropic models for now, found: %s", model.ID)
252 }
253 }
254 default:
255 // if the provider api or endpoint are missing we skip them
256 v, err := resolver.ResolveValue(p.APIKey)
257 if v == "" || err != nil {
258 if configExists {
259 slog.Warn("Skipping provider due to missing API key", "provider", p.ID)
260 c.Providers.Del(string(p.ID))
261 }
262 continue
263 }
264 }
265 c.Providers.Set(string(p.ID), prepared)
266 }
267
268 // validate the custom providers
269 for id, providerConfig := range c.Providers.Seq2() {
270 if knownProviderNames[id] {
271 continue
272 }
273
274 // Make sure the provider ID is set
275 providerConfig.ID = id
276 if providerConfig.Name == "" {
277 providerConfig.Name = id // Use ID as name if not set
278 }
279 // default to OpenAI if not set
280 if providerConfig.Type == "" {
281 providerConfig.Type = catwalk.TypeOpenAICompat
282 }
283 if !slices.Contains(catwalk.KnownProviderTypes(), providerConfig.Type) && providerConfig.Type != hyper.Name {
284 slog.Warn("Skipping custom provider due to unsupported provider type", "provider", id)
285 c.Providers.Del(id)
286 continue
287 }
288
289 if providerConfig.Disable {
290 slog.Debug("Skipping custom provider due to disable flag", "provider", id)
291 c.Providers.Del(id)
292 continue
293 }
294 if providerConfig.APIKey == "" {
295 slog.Warn("Provider is missing API key, this might be OK for local providers", "provider", id)
296 }
297 if providerConfig.BaseURL == "" {
298 slog.Warn("Skipping custom provider due to missing API endpoint", "provider", id)
299 c.Providers.Del(id)
300 continue
301 }
302 if len(providerConfig.Models) == 0 {
303 slog.Warn("Skipping custom provider because the provider has no models", "provider", id)
304 c.Providers.Del(id)
305 continue
306 }
307 apiKey, err := resolver.ResolveValue(providerConfig.APIKey)
308 if apiKey == "" || err != nil {
309 slog.Warn("Provider is missing API key, this might be OK for local providers", "provider", id)
310 }
311 baseURL, err := resolver.ResolveValue(providerConfig.BaseURL)
312 if baseURL == "" || err != nil {
313 slog.Warn("Skipping custom provider due to missing API endpoint", "provider", id, "error", err)
314 c.Providers.Del(id)
315 continue
316 }
317
318 for k, v := range providerConfig.ExtraHeaders {
319 resolved, err := resolver.ResolveValue(v)
320 if err != nil {
321 slog.Error("Could not resolve provider header", "err", err.Error())
322 continue
323 }
324 providerConfig.ExtraHeaders[k] = resolved
325 }
326
327 c.Providers.Set(id, providerConfig)
328 }
329 return nil
330}
331
332func (c *Config) setDefaults(workingDir, dataDir string) {
333 c.workingDir = workingDir
334 if c.Options == nil {
335 c.Options = &Options{}
336 }
337 if c.Options.TUI == nil {
338 c.Options.TUI = &TUIOptions{}
339 }
340 if c.Options.ContextPaths == nil {
341 c.Options.ContextPaths = []string{}
342 }
343 if c.Options.SkillsPaths == nil {
344 c.Options.SkillsPaths = []string{}
345 }
346 if dataDir != "" {
347 c.Options.DataDirectory = dataDir
348 } else if c.Options.DataDirectory == "" {
349 if path, ok := fsext.LookupClosest(workingDir, defaultDataDirectory); ok {
350 c.Options.DataDirectory = path
351 } else {
352 c.Options.DataDirectory = filepath.Join(workingDir, defaultDataDirectory)
353 }
354 }
355 if c.Providers == nil {
356 c.Providers = csync.NewMap[string, ProviderConfig]()
357 }
358 if c.Models == nil {
359 c.Models = make(map[SelectedModelType]SelectedModel)
360 }
361 if c.RecentModels == nil {
362 c.RecentModels = make(map[SelectedModelType][]SelectedModel)
363 }
364 if c.MCP == nil {
365 c.MCP = make(map[string]MCPConfig)
366 }
367 if c.LSP == nil {
368 c.LSP = make(map[string]LSPConfig)
369 }
370
371 // Apply defaults to LSP configurations
372 c.applyLSPDefaults()
373
374 // Add the default context paths if they are not already present
375 c.Options.ContextPaths = append(defaultContextPaths, c.Options.ContextPaths...)
376 slices.Sort(c.Options.ContextPaths)
377 c.Options.ContextPaths = slices.Compact(c.Options.ContextPaths)
378
379 // Add the default skills directories if not already present.
380 for _, dir := range GlobalSkillsDirs() {
381 if !slices.Contains(c.Options.SkillsPaths, dir) {
382 c.Options.SkillsPaths = append(c.Options.SkillsPaths, dir)
383 }
384 }
385
386 if str, ok := os.LookupEnv("CRUSH_DISABLE_PROVIDER_AUTO_UPDATE"); ok {
387 c.Options.DisableProviderAutoUpdate, _ = strconv.ParseBool(str)
388 }
389
390 if str, ok := os.LookupEnv("CRUSH_DISABLE_DEFAULT_PROVIDERS"); ok {
391 c.Options.DisableDefaultProviders, _ = strconv.ParseBool(str)
392 }
393
394 if c.Options.Attribution == nil {
395 c.Options.Attribution = &Attribution{
396 TrailerStyle: TrailerStyleAssistedBy,
397 GeneratedWith: true,
398 }
399 } else if c.Options.Attribution.TrailerStyle == "" {
400 // Migrate deprecated co_authored_by or apply default
401 if c.Options.Attribution.CoAuthoredBy != nil {
402 if *c.Options.Attribution.CoAuthoredBy {
403 c.Options.Attribution.TrailerStyle = TrailerStyleCoAuthoredBy
404 } else {
405 c.Options.Attribution.TrailerStyle = TrailerStyleNone
406 }
407 } else {
408 c.Options.Attribution.TrailerStyle = TrailerStyleAssistedBy
409 }
410 }
411 if c.Options.InitializeAs == "" {
412 c.Options.InitializeAs = defaultInitializeAs
413 }
414}
415
416// applyLSPDefaults applies default values from powernap to LSP configurations
417func (c *Config) applyLSPDefaults() {
418 // Get powernap's default configuration
419 configManager := powernapConfig.NewManager()
420 configManager.LoadDefaults()
421
422 // Apply defaults to each LSP configuration
423 for name, cfg := range c.LSP {
424 // Try to get defaults from powernap based on name or command name.
425 base, ok := configManager.GetServer(name)
426 if !ok {
427 base, ok = configManager.GetServer(cfg.Command)
428 if !ok {
429 continue
430 }
431 }
432 if cfg.Options == nil {
433 cfg.Options = base.Settings
434 }
435 if cfg.InitOptions == nil {
436 cfg.InitOptions = base.InitOptions
437 }
438 if len(cfg.FileTypes) == 0 {
439 cfg.FileTypes = base.FileTypes
440 }
441 if len(cfg.RootMarkers) == 0 {
442 cfg.RootMarkers = base.RootMarkers
443 }
444 if cfg.Command == "" {
445 cfg.Command = base.Command
446 }
447 if len(cfg.Args) == 0 {
448 cfg.Args = base.Args
449 }
450 if len(cfg.Env) == 0 {
451 cfg.Env = base.Environment
452 }
453 // Update the config in the map
454 c.LSP[name] = cfg
455 }
456}
457
458func (c *Config) defaultModelSelection(knownProviders []catwalk.Provider) (largeModel SelectedModel, smallModel SelectedModel, err error) {
459 if len(knownProviders) == 0 && c.Providers.Len() == 0 {
460 err = fmt.Errorf("no providers configured, please configure at least one provider")
461 return largeModel, smallModel, err
462 }
463
464 // Use the first provider enabled based on the known providers order
465 // if no provider found that is known use the first provider configured
466 for _, p := range knownProviders {
467 providerConfig, ok := c.Providers.Get(string(p.ID))
468 if !ok || providerConfig.Disable {
469 continue
470 }
471 defaultLargeModel := c.GetModel(string(p.ID), p.DefaultLargeModelID)
472 if defaultLargeModel == nil {
473 err = fmt.Errorf("default large model %s not found for provider %s", p.DefaultLargeModelID, p.ID)
474 return largeModel, smallModel, err
475 }
476 largeModel = SelectedModel{
477 Provider: string(p.ID),
478 Model: defaultLargeModel.ID,
479 MaxTokens: defaultLargeModel.DefaultMaxTokens,
480 ReasoningEffort: defaultLargeModel.DefaultReasoningEffort,
481 }
482
483 defaultSmallModel := c.GetModel(string(p.ID), p.DefaultSmallModelID)
484 if defaultSmallModel == nil {
485 err = fmt.Errorf("default small model %s not found for provider %s", p.DefaultSmallModelID, p.ID)
486 return largeModel, smallModel, err
487 }
488 smallModel = SelectedModel{
489 Provider: string(p.ID),
490 Model: defaultSmallModel.ID,
491 MaxTokens: defaultSmallModel.DefaultMaxTokens,
492 ReasoningEffort: defaultSmallModel.DefaultReasoningEffort,
493 }
494 return largeModel, smallModel, err
495 }
496
497 enabledProviders := c.EnabledProviders()
498 slices.SortFunc(enabledProviders, func(a, b ProviderConfig) int {
499 return strings.Compare(a.ID, b.ID)
500 })
501
502 if len(enabledProviders) == 0 {
503 err = fmt.Errorf("no providers configured, please configure at least one provider")
504 return largeModel, smallModel, err
505 }
506
507 providerConfig := enabledProviders[0]
508 if len(providerConfig.Models) == 0 {
509 err = fmt.Errorf("provider %s has no models configured", providerConfig.ID)
510 return largeModel, smallModel, err
511 }
512 defaultLargeModel := c.GetModel(providerConfig.ID, providerConfig.Models[0].ID)
513 largeModel = SelectedModel{
514 Provider: providerConfig.ID,
515 Model: defaultLargeModel.ID,
516 MaxTokens: defaultLargeModel.DefaultMaxTokens,
517 }
518 defaultSmallModel := c.GetModel(providerConfig.ID, providerConfig.Models[0].ID)
519 smallModel = SelectedModel{
520 Provider: providerConfig.ID,
521 Model: defaultSmallModel.ID,
522 MaxTokens: defaultSmallModel.DefaultMaxTokens,
523 }
524 return largeModel, smallModel, err
525}
526
527func (c *Config) configureSelectedModels(knownProviders []catwalk.Provider) error {
528 defaultLarge, defaultSmall, err := c.defaultModelSelection(knownProviders)
529 if err != nil {
530 return fmt.Errorf("failed to select default models: %w", err)
531 }
532 large, small := defaultLarge, defaultSmall
533
534 largeModelSelected, largeModelConfigured := c.Models[SelectedModelTypeLarge]
535 if largeModelConfigured {
536 if largeModelSelected.Model != "" {
537 large.Model = largeModelSelected.Model
538 }
539 if largeModelSelected.Provider != "" {
540 large.Provider = largeModelSelected.Provider
541 }
542 model := c.GetModel(large.Provider, large.Model)
543 if model == nil {
544 large = defaultLarge
545 // override the model type to large
546 err := c.UpdatePreferredModel(SelectedModelTypeLarge, large)
547 if err != nil {
548 return fmt.Errorf("failed to update preferred large model: %w", err)
549 }
550 } else {
551 if largeModelSelected.MaxTokens > 0 {
552 large.MaxTokens = largeModelSelected.MaxTokens
553 } else {
554 large.MaxTokens = model.DefaultMaxTokens
555 }
556 if largeModelSelected.ReasoningEffort != "" {
557 large.ReasoningEffort = largeModelSelected.ReasoningEffort
558 }
559 large.Think = largeModelSelected.Think
560 if largeModelSelected.Temperature != nil {
561 large.Temperature = largeModelSelected.Temperature
562 }
563 if largeModelSelected.TopP != nil {
564 large.TopP = largeModelSelected.TopP
565 }
566 if largeModelSelected.TopK != nil {
567 large.TopK = largeModelSelected.TopK
568 }
569 if largeModelSelected.FrequencyPenalty != nil {
570 large.FrequencyPenalty = largeModelSelected.FrequencyPenalty
571 }
572 if largeModelSelected.PresencePenalty != nil {
573 large.PresencePenalty = largeModelSelected.PresencePenalty
574 }
575 }
576 }
577 smallModelSelected, smallModelConfigured := c.Models[SelectedModelTypeSmall]
578 if smallModelConfigured {
579 if smallModelSelected.Model != "" {
580 small.Model = smallModelSelected.Model
581 }
582 if smallModelSelected.Provider != "" {
583 small.Provider = smallModelSelected.Provider
584 }
585
586 model := c.GetModel(small.Provider, small.Model)
587 if model == nil {
588 small = defaultSmall
589 // override the model type to small
590 err := c.UpdatePreferredModel(SelectedModelTypeSmall, small)
591 if err != nil {
592 return fmt.Errorf("failed to update preferred small model: %w", err)
593 }
594 } else {
595 if smallModelSelected.MaxTokens > 0 {
596 small.MaxTokens = smallModelSelected.MaxTokens
597 } else {
598 small.MaxTokens = model.DefaultMaxTokens
599 }
600 if smallModelSelected.ReasoningEffort != "" {
601 small.ReasoningEffort = smallModelSelected.ReasoningEffort
602 }
603 if smallModelSelected.Temperature != nil {
604 small.Temperature = smallModelSelected.Temperature
605 }
606 if smallModelSelected.TopP != nil {
607 small.TopP = smallModelSelected.TopP
608 }
609 if smallModelSelected.TopK != nil {
610 small.TopK = smallModelSelected.TopK
611 }
612 if smallModelSelected.FrequencyPenalty != nil {
613 small.FrequencyPenalty = smallModelSelected.FrequencyPenalty
614 }
615 if smallModelSelected.PresencePenalty != nil {
616 small.PresencePenalty = smallModelSelected.PresencePenalty
617 }
618 small.Think = smallModelSelected.Think
619 }
620 }
621 c.Models[SelectedModelTypeLarge] = large
622 c.Models[SelectedModelTypeSmall] = small
623 return nil
624}
625
626// lookupConfigs searches config files recursively from CWD up to FS root
627func lookupConfigs(cwd string) []string {
628 // prepend default config paths
629 configPaths := []string{
630 GlobalConfig(),
631 GlobalConfigData(),
632 }
633
634 configNames := []string{appName + ".json", "." + appName + ".json"}
635
636 foundConfigs, err := fsext.Lookup(cwd, configNames...)
637 if err != nil {
638 // returns at least default configs
639 return configPaths
640 }
641
642 // reverse order so last config has more priority
643 slices.Reverse(foundConfigs)
644
645 return append(configPaths, foundConfigs...)
646}
647
648func loadFromConfigPaths(configPaths []string) (*Config, error) {
649 var configs [][]byte
650
651 for _, path := range configPaths {
652 data, err := os.ReadFile(path)
653 if err != nil {
654 if os.IsNotExist(err) {
655 continue
656 }
657 return nil, fmt.Errorf("failed to open config file %s: %w", path, err)
658 }
659 if len(data) == 0 {
660 continue
661 }
662 configs = append(configs, data)
663 }
664
665 return loadFromBytes(configs)
666}
667
668func loadFromBytes(configs [][]byte) (*Config, error) {
669 if len(configs) == 0 {
670 return &Config{}, nil
671 }
672
673 data, err := jsons.Merge(configs)
674 if err != nil {
675 return nil, err
676 }
677 var config Config
678 if err := json.Unmarshal(data, &config); err != nil {
679 return nil, err
680 }
681 return &config, nil
682}
683
684func hasVertexCredentials(env env.Env) bool {
685 hasProject := env.Get("VERTEXAI_PROJECT") != ""
686 hasLocation := env.Get("VERTEXAI_LOCATION") != ""
687 return hasProject && hasLocation
688}
689
690func hasAWSCredentials(env env.Env) bool {
691 if env.Get("AWS_BEARER_TOKEN_BEDROCK") != "" {
692 return true
693 }
694
695 if env.Get("AWS_ACCESS_KEY_ID") != "" && env.Get("AWS_SECRET_ACCESS_KEY") != "" {
696 return true
697 }
698
699 if env.Get("AWS_PROFILE") != "" || env.Get("AWS_DEFAULT_PROFILE") != "" {
700 return true
701 }
702
703 if env.Get("AWS_REGION") != "" || env.Get("AWS_DEFAULT_REGION") != "" {
704 return true
705 }
706
707 if env.Get("AWS_CONTAINER_CREDENTIALS_RELATIVE_URI") != "" ||
708 env.Get("AWS_CONTAINER_CREDENTIALS_FULL_URI") != "" {
709 return true
710 }
711
712 if _, err := os.Stat(filepath.Join(home.Dir(), ".aws/credentials")); err == nil && !testing.Testing() {
713 return true
714 }
715
716 return false
717}
718
719// GlobalConfig returns the global configuration file path for the application.
720func GlobalConfig() string {
721 if crushGlobal := os.Getenv("CRUSH_GLOBAL_CONFIG"); crushGlobal != "" {
722 return filepath.Join(crushGlobal, fmt.Sprintf("%s.json", appName))
723 }
724 if xdgConfigHome := os.Getenv("XDG_CONFIG_HOME"); xdgConfigHome != "" {
725 return filepath.Join(xdgConfigHome, appName, fmt.Sprintf("%s.json", appName))
726 }
727 return filepath.Join(home.Dir(), ".config", appName, fmt.Sprintf("%s.json", appName))
728}
729
730// GlobalConfigData returns the path to the main data directory for the application.
731// this config is used when the app overrides configurations instead of updating the global config.
732func GlobalConfigData() string {
733 if crushData := os.Getenv("CRUSH_GLOBAL_DATA"); crushData != "" {
734 return filepath.Join(crushData, fmt.Sprintf("%s.json", appName))
735 }
736 if xdgDataHome := os.Getenv("XDG_DATA_HOME"); xdgDataHome != "" {
737 return filepath.Join(xdgDataHome, appName, fmt.Sprintf("%s.json", appName))
738 }
739
740 // return the path to the main data directory
741 // for windows, it should be in `%LOCALAPPDATA%/crush/`
742 // for linux and macOS, it should be in `$HOME/.local/share/crush/`
743 if runtime.GOOS == "windows" {
744 localAppData := cmp.Or(
745 os.Getenv("LOCALAPPDATA"),
746 filepath.Join(os.Getenv("USERPROFILE"), "AppData", "Local"),
747 )
748 return filepath.Join(localAppData, appName, fmt.Sprintf("%s.json", appName))
749 }
750
751 return filepath.Join(home.Dir(), ".local", "share", appName, fmt.Sprintf("%s.json", appName))
752}
753
754func assignIfNil[T any](ptr **T, val T) {
755 if *ptr == nil {
756 *ptr = &val
757 }
758}
759
760func isInsideWorktree() bool {
761 bts, err := exec.CommandContext(
762 context.Background(),
763 "git", "rev-parse",
764 "--is-inside-work-tree",
765 ).CombinedOutput()
766 return err == nil && strings.TrimSpace(string(bts)) == "true"
767}
768
769// GlobalSkillsDirs returns the default directories for Agent Skills.
770// Skills in these directories are auto-discovered and their files can be read
771// without permission prompts.
772func GlobalSkillsDirs() []string {
773 if crushSkills := os.Getenv("CRUSH_SKILLS_DIR"); crushSkills != "" {
774 return []string{crushSkills}
775 }
776
777 // Determine the base config directory.
778 var configBase string
779 if xdgConfigHome := os.Getenv("XDG_CONFIG_HOME"); xdgConfigHome != "" {
780 configBase = xdgConfigHome
781 } else if runtime.GOOS == "windows" {
782 configBase = cmp.Or(
783 os.Getenv("LOCALAPPDATA"),
784 filepath.Join(os.Getenv("USERPROFILE"), "AppData", "Local"),
785 )
786 } else {
787 configBase = filepath.Join(home.Dir(), ".config")
788 }
789
790 return []string{
791 filepath.Join(configBase, appName, "skills"),
792 filepath.Join(configBase, "agents", "skills"),
793 }
794}