root.go

  1package cmd
  2
  3import (
  4	"bytes"
  5	"context"
  6	"errors"
  7	"fmt"
  8	"io"
  9	"log/slog"
 10	"os"
 11	"path/filepath"
 12	"strconv"
 13	"strings"
 14
 15	tea "charm.land/bubbletea/v2"
 16	"charm.land/lipgloss/v2"
 17	"git.secluded.site/crush/internal/app"
 18	"git.secluded.site/crush/internal/config"
 19	"git.secluded.site/crush/internal/db"
 20	"git.secluded.site/crush/internal/event"
 21	"git.secluded.site/crush/internal/projects"
 22	"git.secluded.site/crush/internal/stringext"
 23	"git.secluded.site/crush/internal/tui"
 24	"git.secluded.site/crush/internal/tui/styles"
 25	"git.secluded.site/crush/internal/version"
 26	"github.com/charmbracelet/colorprofile"
 27	"github.com/charmbracelet/fang"
 28	uv "github.com/charmbracelet/ultraviolet"
 29	"github.com/charmbracelet/x/ansi"
 30	"github.com/charmbracelet/x/exp/charmtone"
 31	"github.com/charmbracelet/x/term"
 32	"github.com/spf13/cobra"
 33)
 34
 35func init() {
 36	rootCmd.PersistentFlags().StringP("cwd", "c", "", "Current working directory")
 37	rootCmd.PersistentFlags().StringP("data-dir", "D", "", "Custom crush data directory")
 38	rootCmd.PersistentFlags().BoolP("debug", "d", false, "Debug")
 39	rootCmd.PersistentFlags().BoolP("light", "l", false, "Use light theme")
 40	rootCmd.Flags().BoolP("help", "h", false, "Help")
 41	rootCmd.Flags().BoolP("yolo", "y", false, "Automatically accept all permissions (dangerous mode)")
 42
 43	rootCmd.AddCommand(
 44		runCmd,
 45		dirsCmd,
 46		projectsCmd,
 47		updateProvidersCmd,
 48		logsCmd,
 49		schemaCmd,
 50		loginCmd,
 51	)
 52}
 53
 54var rootCmd = &cobra.Command{
 55	Use:   "crush",
 56	Short: "Terminal-based AI assistant for software development",
 57	Long: `Crush is a powerful terminal-based AI assistant that helps with software development tasks.
 58It provides an interactive chat interface with AI capabilities, code analysis, and LSP integration
 59to assist developers in writing, debugging, and understanding code directly from the terminal.`,
 60	Example: `
 61# Run in interactive mode
 62crush
 63
 64# Run with debug logging
 65crush -d
 66
 67# Run with debug logging in a specific directory
 68crush -d -c /path/to/project
 69
 70# Run with custom data directory
 71crush -D /path/to/custom/.crush
 72
 73# Print version
 74crush -v
 75
 76# Run a single non-interactive prompt
 77crush run "Explain the use of context in Go"
 78
 79# Run in dangerous mode (auto-accept all permissions)
 80crush -y
 81  `,
 82	RunE: func(cmd *cobra.Command, args []string) error {
 83		app, err := setupAppWithProgressBar(cmd)
 84		if err != nil {
 85			return err
 86		}
 87		defer app.Shutdown()
 88
 89		event.AppInitialized()
 90
 91		// Set up the TUI.
 92		var env uv.Environ = os.Environ()
 93		ui := tui.New(app)
 94		ui.QueryVersion = shouldQueryTerminalVersion(env)
 95
 96		program := tea.NewProgram(
 97			ui,
 98			tea.WithEnvironment(env),
 99			tea.WithContext(cmd.Context()),
100			tea.WithFilter(tui.MouseEventFilter)) // Filter mouse events based on focus state
101		go app.Subscribe(program)
102
103		if _, err := program.Run(); err != nil {
104			event.Error(err)
105			slog.Error("TUI run error", "error", err)
106			return errors.New("Crush crashed. If metrics are enabled, we were notified about it. If you'd like to report it, please copy the stacktrace above and open an issue at https://git.secluded.site/crush/issues/new?template=bug.yml") //nolint:staticcheck
107		}
108		return nil
109	},
110	PostRun: func(cmd *cobra.Command, args []string) {
111		event.AppExited()
112	},
113}
114
115var heartbit = lipgloss.NewStyle().Foreground(charmtone.Dolly).SetString(`
116    ▄▄▄▄▄▄▄▄    ▄▄▄▄▄▄▄▄
117  ███████████  ███████████
118████████████████████████████
119████████████████████████████
120██████████▀██████▀██████████
121██████████ ██████ ██████████
122▀▀██████▄████▄▄████▄██████▀▀
123  ████████████████████████
124    ████████████████████
125       ▀▀██████████▀▀
126           ▀▀▀▀▀▀
127`)
128
129// copied from cobra:
130const defaultVersionTemplate = `{{with .DisplayName}}{{printf "%s " .}}{{end}}{{printf "version %s" .Version}}
131`
132
133func Execute() {
134	// NOTE: very hacky: we create a colorprofile writer with STDOUT, then make
135	// it forward to a bytes.Buffer, write the colored heartbit to it, and then
136	// finally prepend it in the version template.
137	// Unfortunately cobra doesn't give us a way to set a function to handle
138	// printing the version, and PreRunE runs after the version is already
139	// handled, so that doesn't work either.
140	// This is the only way I could find that works relatively well.
141	if term.IsTerminal(os.Stdout.Fd()) {
142		var b bytes.Buffer
143		w := colorprofile.NewWriter(os.Stdout, os.Environ())
144		w.Forward = &b
145		_, _ = w.WriteString(heartbit.String())
146		rootCmd.SetVersionTemplate(b.String() + "\n" + defaultVersionTemplate)
147	}
148	if err := fang.Execute(
149		context.Background(),
150		rootCmd,
151		fang.WithVersion(version.Version),
152		fang.WithNotifySignal(os.Interrupt),
153	); err != nil {
154		os.Exit(1)
155	}
156}
157
158// supportsProgressBar tries to determine whether the current terminal supports
159// progress bars by looking into environment variables.
160func supportsProgressBar() bool {
161	if !term.IsTerminal(os.Stderr.Fd()) {
162		return false
163	}
164	termProg := os.Getenv("TERM_PROGRAM")
165	_, isWindowsTerminal := os.LookupEnv("WT_SESSION")
166
167	return isWindowsTerminal || strings.Contains(strings.ToLower(termProg), "ghostty")
168}
169
170func setupAppWithProgressBar(cmd *cobra.Command) (*app.App, error) {
171	if supportsProgressBar() {
172		_, _ = fmt.Fprintf(os.Stderr, ansi.SetIndeterminateProgressBar)
173		defer func() { _, _ = fmt.Fprintf(os.Stderr, ansi.ResetProgressBar) }()
174	}
175
176	return setupApp(cmd)
177}
178
179// setupApp handles the common setup logic for both interactive and non-interactive modes.
180// It returns the app instance, config, cleanup function, and any error.
181func setupApp(cmd *cobra.Command) (*app.App, error) {
182	debug, _ := cmd.Flags().GetBool("debug")
183	yolo, _ := cmd.Flags().GetBool("yolo")
184	light, _ := cmd.Flags().GetBool("light")
185	dataDir, _ := cmd.Flags().GetString("data-dir")
186	ctx := cmd.Context()
187
188	// Set light theme if requested.
189	if light {
190		if err := styles.DefaultManager().SetTheme("light"); err != nil {
191			slog.Warn("Failed to set light theme", "error", err)
192		}
193	}
194
195	cwd, err := ResolveCwd(cmd)
196	if err != nil {
197		return nil, err
198	}
199
200	cfg, err := config.Init(cwd, dataDir, debug)
201	if err != nil {
202		return nil, err
203	}
204
205	if cfg.Permissions == nil {
206		cfg.Permissions = &config.Permissions{}
207	}
208	cfg.Permissions.SkipRequests = yolo
209
210	if err := createDotCrushDir(cfg.Options.DataDirectory); err != nil {
211		return nil, err
212	}
213
214	// Register this project in the centralized projects list.
215	if err := projects.Register(cwd, cfg.Options.DataDirectory); err != nil {
216		slog.Warn("Failed to register project", "error", err)
217		// Non-fatal: continue even if registration fails
218	}
219
220	// Connect to DB; this will also run migrations.
221	conn, err := db.Connect(ctx, cfg.Options.DataDirectory)
222	if err != nil {
223		return nil, err
224	}
225
226	appInstance, err := app.New(ctx, conn, cfg)
227	if err != nil {
228		slog.Error("Failed to create app instance", "error", err)
229		return nil, err
230	}
231
232	if shouldEnableMetrics() {
233		event.Init()
234	}
235
236	return appInstance, nil
237}
238
239func shouldEnableMetrics() bool {
240	if v, _ := strconv.ParseBool(os.Getenv("CRUSH_DISABLE_METRICS")); v {
241		return false
242	}
243	if v, _ := strconv.ParseBool(os.Getenv("DO_NOT_TRACK")); v {
244		return false
245	}
246	if config.Get().Options.DisableMetrics {
247		return false
248	}
249	return false
250}
251
252func MaybePrependStdin(prompt string) (string, error) {
253	if term.IsTerminal(os.Stdin.Fd()) {
254		return prompt, nil
255	}
256	fi, err := os.Stdin.Stat()
257	if err != nil {
258		return prompt, err
259	}
260	// Check if stdin is a named pipe ( | ) or regular file ( < ).
261	if fi.Mode()&os.ModeNamedPipe == 0 && !fi.Mode().IsRegular() {
262		return prompt, nil
263	}
264	bts, err := io.ReadAll(os.Stdin)
265	if err != nil {
266		return prompt, err
267	}
268	return string(bts) + "\n\n" + prompt, nil
269}
270
271func ResolveCwd(cmd *cobra.Command) (string, error) {
272	cwd, _ := cmd.Flags().GetString("cwd")
273	if cwd != "" {
274		err := os.Chdir(cwd)
275		if err != nil {
276			return "", fmt.Errorf("failed to change directory: %v", err)
277		}
278		return cwd, nil
279	}
280	cwd, err := os.Getwd()
281	if err != nil {
282		return "", fmt.Errorf("failed to get current working directory: %v", err)
283	}
284	return cwd, nil
285}
286
287func createDotCrushDir(dir string) error {
288	if err := os.MkdirAll(dir, 0o700); err != nil {
289		return fmt.Errorf("failed to create data directory: %q %w", dir, err)
290	}
291
292	gitIgnorePath := filepath.Join(dir, ".gitignore")
293	if _, err := os.Stat(gitIgnorePath); os.IsNotExist(err) {
294		if err := os.WriteFile(gitIgnorePath, []byte("*\n"), 0o644); err != nil {
295			return fmt.Errorf("failed to create .gitignore file: %q %w", gitIgnorePath, err)
296		}
297	}
298
299	return nil
300}
301
302func shouldQueryTerminalVersion(env uv.Environ) bool {
303	termType := env.Getenv("TERM")
304	termProg, okTermProg := env.LookupEnv("TERM_PROGRAM")
305	_, okSSHTTY := env.LookupEnv("SSH_TTY")
306	return (!okTermProg && !okSSHTTY) ||
307		(!strings.Contains(termProg, "Apple") && !okSSHTTY) ||
308		// Terminals that do support XTVERSION.
309		stringext.ContainsAny(termType, "alacritty", "ghostty", "kitty", "rio", "wezterm")
310}