feat: non-interactive mode

Author: radutopala

.gitignore

@@ -43,3 +43,4 @@ Thumbs.db
 
 .opencode/
 
+opencode

cmd/root.go

@@ -21,11 +21,28 @@ import (
 )
 
 var rootCmd = &cobra.Command{
-	Use:   "OpenCode",
-	Short: "A terminal AI assistant for software development",
+	Use:   "opencode [prompt]",
+	Args:  cobra.MaximumNArgs(1),
+	Short: "Terminal-based AI assistant for software development",
 	Long: `OpenCode is a powerful terminal-based AI assistant that helps with software development tasks.
 It provides an interactive chat interface with AI capabilities, code analysis, and LSP integration
 to assist developers in writing, debugging, and understanding code directly from the terminal.`,
+	Example: `
+  # Run in interactive mode
+  opencode
+
+  # Run with debug logging
+  opencode -d
+
+  # Run with debug logging in a specific directory
+  opencode -d -c /path/to/project
+
+  # Print version
+  opencode -v
+
+  # Run a single non-interactive prompt
+  opencode "Explain the use of context in Go"
+  `,
 	RunE: func(cmd *cobra.Command, args []string) error {
 		// If the help flag is set, show the help message
 		if cmd.Flag("help").Changed {
@@ -40,6 +57,11 @@ to assist developers in writing, debugging, and understanding code directly from
 		// Load the config
 		debug, _ := cmd.Flags().GetBool("debug")
 		cwd, _ := cmd.Flags().GetString("cwd")
+		var prompt string
+		if len(args) == 1 {
+			prompt = args[0]
+		}
+
 		if cwd != "" {
 			err := os.Chdir(cwd)
 			if err != nil {
@@ -73,17 +95,26 @@ to assist developers in writing, debugging, and understanding code directly from
 			logging.Error("Failed to create app: %v", err)
 			return err
 		}
+		// Defer shutdown here so it runs for both interactive and non-interactive modes
+		defer app.Shutdown()
 
+		// Initialize MCP tools early for both modes
+		initMCPTools(ctx, app)
+
+		// Non-interactive mode
+		if prompt != "" {
+			// Run non-interactive flow using the App method
+			return app.RunNonInteractive(ctx, prompt)
+		}
+
+		// Interactive mode
 		// Set up the TUI
 		zone.NewGlobal()
 		program := tea.NewProgram(
 			tui.New(app),
 			tea.WithAltScreen(),
 		)
 
-		// Initialize MCP tools in the background
-		initMCPTools(ctx, app)
-
 		// Setup the subscriptions, this will send services events to the TUI
 		ch, cancelSubs := setupSubscriptions(app, ctx)
 

go.mod

@@ -13,8 +13,8 @@ require (
 	github.com/aymanbagabas/go-udiff v0.2.0
 	github.com/bmatcuk/doublestar/v4 v4.8.1
 	github.com/catppuccin/go v0.3.0
-	github.com/charmbracelet/bubbles v0.20.0
-	github.com/charmbracelet/bubbletea v1.3.4
+	github.com/charmbracelet/bubbles v0.21.0
+	github.com/charmbracelet/bubbletea v1.3.5
 	github.com/charmbracelet/glamour v0.9.1
 	github.com/charmbracelet/huh v0.6.0
 	github.com/charmbracelet/lipgloss v1.1.0

go.sum

@@ -74,10 +74,10 @@ github.com/bmatcuk/doublestar/v4 v4.8.1 h1:54Bopc5c2cAvhLRAzqOGCYHYyhcDHsFF4wWIR
 github.com/bmatcuk/doublestar/v4 v4.8.1/go.mod h1:xBQ8jztBU6kakFMg+8WGxn0c6z1fTSPVIjEY1Wr7jzc=
 github.com/catppuccin/go v0.3.0 h1:d+0/YicIq+hSTo5oPuRi5kOpqkVA5tAsU6dNhvRu+aY=
 github.com/catppuccin/go v0.3.0/go.mod h1:8IHJuMGaUUjQM82qBrGNBv7LFq6JI3NnQCF6MOlZjpc=
-github.com/charmbracelet/bubbles v0.20.0 h1:jSZu6qD8cRQ6k9OMfR1WlM+ruM8fkPWkHvQWD9LIutE=
-github.com/charmbracelet/bubbles v0.20.0/go.mod h1:39slydyswPy+uVOHZ5x/GjwVAFkCsV8IIVy+4MhzwwU=
-github.com/charmbracelet/bubbletea v1.3.4 h1:kCg7B+jSCFPLYRA52SDZjr51kG/fMUEoPoZrkaDHyoI=
-github.com/charmbracelet/bubbletea v1.3.4/go.mod h1:dtcUCyCGEX3g9tosuYiut3MXgY/Jsv9nKVdibKKRRXo=
+github.com/charmbracelet/bubbles v0.21.0 h1:9TdC97SdRVg/1aaXNVWfFH3nnLAwOXr8Fn6u6mfQdFs=
+github.com/charmbracelet/bubbles v0.21.0/go.mod h1:HF+v6QUR4HkEpz62dx7ym2xc71/KBHg+zKwJtMw+qtg=
+github.com/charmbracelet/bubbletea v1.3.5 h1:JAMNLTbqMOhSwoELIr0qyP4VidFq72/6E9j7HHmRKQc=
+github.com/charmbracelet/bubbletea v1.3.5/go.mod h1:TkCnmH+aBd4LrXhXcqrKiYwRs7qyQx5rBgH5fVY3v54=
 github.com/charmbracelet/colorprofile v0.2.3-0.20250311203215-f60798e515dc h1:4pZI35227imm7yK2bGPcfpFEmuY1gc2YSTShr4iJBfs=
 github.com/charmbracelet/colorprofile v0.2.3-0.20250311203215-f60798e515dc/go.mod h1:X4/0JoqgTIPSFcRA/P6INZzIuyqdFY5rm8tb41s9okk=
 github.com/charmbracelet/glamour v0.9.1 h1:11dEfiGP8q1BEqvGoIjivuc2rBk+5qEXdPtaQ2WoiCM=
@@ -90,8 +90,8 @@ github.com/charmbracelet/x/ansi v0.8.0 h1:9GTq3xq9caJW8ZrBTe0LIe2fvfLR/bYXKTx2ll
 github.com/charmbracelet/x/ansi v0.8.0/go.mod h1:wdYl/ONOLHLIVmQaxbIYEC/cRKOQyjTkowiI4blgS9Q=
 github.com/charmbracelet/x/cellbuf v0.0.13-0.20250311204145-2c3ea96c31dd h1:vy0GVL4jeHEwG5YOXDmi86oYw2yuYUGqz6a8sLwg0X8=
 github.com/charmbracelet/x/cellbuf v0.0.13-0.20250311204145-2c3ea96c31dd/go.mod h1:xe0nKWGd3eJgtqZRaN9RjMtK7xUYchjzPr7q6kcvCCs=
-github.com/charmbracelet/x/exp/golden v0.0.0-20240815200342-61de596daa2b h1:MnAMdlwSltxJyULnrYbkZpp4k58Co7Tah3ciKhSNo0Q=
-github.com/charmbracelet/x/exp/golden v0.0.0-20240815200342-61de596daa2b/go.mod h1:wDlXFlCrmJ8J+swcL/MnGUuYnqgQdW9rhSD61oNMb6U=
+github.com/charmbracelet/x/exp/golden v0.0.0-20241011142426-46044092ad91 h1:payRxjMjKgx2PaCWLZ4p3ro9y97+TVLZNaRZgJwSVDQ=
+github.com/charmbracelet/x/exp/golden v0.0.0-20241011142426-46044092ad91/go.mod h1:wDlXFlCrmJ8J+swcL/MnGUuYnqgQdW9rhSD61oNMb6U=
 github.com/charmbracelet/x/exp/strings v0.0.0-20240722160745-212f7b056ed0 h1:qko3AQ4gK1MTS/de7F5hPGx6/k1u0w4TeYmBFwzYVP4=
 github.com/charmbracelet/x/exp/strings v0.0.0-20240722160745-212f7b056ed0/go.mod h1:pBhA0ybfXv6hDjQUZ7hk1lVxBiUbupdw5R31yPUViVQ=
 github.com/charmbracelet/x/term v0.2.1 h1:AQeHeLZ1OqSXhrAWpYUtZyX1T3zVxfpZuEQMIQaGIAQ=

internal/app/app.go

@@ -3,7 +3,10 @@ package app
 import (
 	"context"
 	"database/sql"
+	"errors"
+	"fmt"
 	"maps"
+	"strings"
 	"sync"
 	"time"
 
@@ -93,6 +96,64 @@ func (app *App) initTheme() {
 	}
 }
 
+// RunNonInteractive handles the execution flow when a prompt is provided via CLI flag.
+func (a *App) RunNonInteractive(ctx context.Context, prompt string) error {
+	logging.Info("Running in non-interactive mode")
+
+	const maxPromptLengthForTitle = 100
+	titlePrefix := "Non-interactive: "
+	var titleSuffix string
+
+	if len(prompt) > maxPromptLengthForTitle {
+		titleSuffix = prompt[:maxPromptLengthForTitle] + "..."
+	} else {
+		titleSuffix = prompt
+	}
+	title := titlePrefix + titleSuffix
+
+	sess, err := a.Sessions.Create(ctx, title)
+	if err != nil {
+		return fmt.Errorf("failed to create session for non-interactive mode: %w", err)
+	}
+	logging.Info("Created session for non-interactive run", "session_id", sess.ID)
+
+	// Automatically approve all permission requests for this non-interactive session
+	a.Permissions.AutoApproveSession(sess.ID)
+
+	done, err := a.CoderAgent.Run(ctx, sess.ID, prompt)
+	if err != nil {
+		return fmt.Errorf("failed to start agent processing stream: %w", err)
+	}
+
+	result := <-done
+	if result.Err() != nil {
+		if errors.Is(result.Err(), context.Canceled) || errors.Is(result.Err(), agent.ErrRequestCancelled) {
+			logging.Info("Agent processing cancelled", "session_id", sess.ID)
+			return nil
+		}
+		return fmt.Errorf("agent processing failed: %w", result.Err())
+	}
+
+	response := result.Response()
+
+	// Use a strings.Builder to accumulate the text parts
+	var builder strings.Builder
+	for _, part := range response.Parts {
+		if textPart, ok := part.(message.TextContent); ok {
+			builder.WriteString(textPart.Text)
+		}
+	}
+
+	// Print the final accumulated text
+	if builder.Len() > 0 {
+		fmt.Println(builder.String())
+	}
+
+	logging.Info("Non-interactive run completed", "session_id", sess.ID)
+
+	return nil
+}
+
 // Shutdown performs a clean shutdown of the application
 func (app *App) Shutdown() {
 	// Cancel all watcher goroutines