fleetcode/main.ts
Amrit Subramanian 1d873aa82a worktrees
2025-10-02 21:16:50 -04:00

365 lines
10 KiB
TypeScript

import { app, BrowserWindow, ipcMain, dialog } from "electron";
import * as pty from "node-pty";
import * as os from "os";
import * as path from "path";
import * as fs from "fs";
import { simpleGit } from "simple-git";
import Store from "electron-store";
interface SessionConfig {
projectDir: string;
parentBranch: string;
codingAgent: string;
}
interface PersistedSession {
id: string;
number: number;
name: string;
config: SessionConfig;
worktreePath: string;
createdAt: number;
}
let mainWindow: BrowserWindow;
const activePtyProcesses = new Map<string, pty.IPty>();
const store = new Store();
// Helper functions for session management
function getPersistedSessions(): PersistedSession[] {
return (store as any).get("sessions", []);
}
function savePersistedSessions(sessions: PersistedSession[]) {
(store as any).set("sessions", sessions);
}
function getNextSessionNumber(): number {
const sessions = getPersistedSessions();
if (sessions.length === 0) return 1;
return Math.max(...sessions.map(s => s.number)) + 1;
}
// Git worktree helper functions
async function createWorktree(projectDir: string, parentBranch: string, sessionNumber: number): Promise<string> {
const git = simpleGit(projectDir);
const fleetcodeDir = path.join(projectDir, ".fleetcode");
const worktreeName = `session${sessionNumber}`;
const worktreePath = path.join(fleetcodeDir, worktreeName);
const branchName = `fleetcode/session${sessionNumber}`;
// Create .fleetcode directory if it doesn't exist
if (!fs.existsSync(fleetcodeDir)) {
fs.mkdirSync(fleetcodeDir, { recursive: true });
}
// Check if worktree already exists and remove it
if (fs.existsSync(worktreePath)) {
try {
await git.raw(["worktree", "remove", worktreePath, "--force"]);
} catch (error) {
console.error("Error removing existing worktree:", error);
}
}
// Delete the branch if it exists
try {
await git.raw(["branch", "-D", branchName]);
} catch (error) {
// Branch doesn't exist, that's fine
}
// Create new worktree with a new branch from parent branch
// This creates a new branch named "fleetcode/session<N>" starting from the parent branch
await git.raw(["worktree", "add", "-b", branchName, worktreePath, parentBranch]);
return worktreePath;
}
async function removeWorktree(projectDir: string, worktreePath: string) {
const git = simpleGit(projectDir);
try {
await git.raw(["worktree", "remove", worktreePath, "--force"]);
} catch (error) {
console.error("Error removing worktree:", error);
}
}
// Open directory picker
ipcMain.handle("select-directory", async () => {
const result = await dialog.showOpenDialog(mainWindow, {
properties: ["openDirectory"],
});
if (result.canceled || result.filePaths.length === 0) {
return null;
}
return result.filePaths[0];
});
// Get git branches from directory
ipcMain.handle("get-branches", async (_event, dirPath: string) => {
try {
const git = simpleGit(dirPath);
const branchSummary = await git.branch();
return branchSummary.all;
} catch (error) {
console.error("Error getting branches:", error);
return [];
}
});
// Get last used settings
ipcMain.handle("get-last-settings", () => {
return (store as any).get("lastSessionConfig", {
projectDir: "",
parentBranch: "",
codingAgent: "claude",
});
});
// Save settings
ipcMain.on("save-settings", (_event, config: SessionConfig) => {
(store as any).set("lastSessionConfig", config);
});
// Create new session
ipcMain.on("create-session", async (event, config: SessionConfig) => {
try {
const sessionNumber = getNextSessionNumber();
const sessionId = `session-${Date.now()}`;
const sessionName = `Session ${sessionNumber}`;
// Create git worktree
const worktreePath = await createWorktree(config.projectDir, config.parentBranch, sessionNumber);
// Create persisted session metadata
const persistedSession: PersistedSession = {
id: sessionId,
number: sessionNumber,
name: sessionName,
config,
worktreePath,
createdAt: Date.now(),
};
// Save to store
const sessions = getPersistedSessions();
sessions.push(persistedSession);
savePersistedSessions(sessions);
// Spawn PTY in worktree directory
const shell = os.platform() === "darwin" ? "zsh" : "bash";
const ptyProcess = pty.spawn(shell, [], {
name: "xterm-color",
cols: 80,
rows: 30,
cwd: worktreePath,
env: process.env,
});
activePtyProcesses.set(sessionId, ptyProcess);
let terminalReady = false;
let dataBuffer = "";
ptyProcess.onData((data) => {
mainWindow.webContents.send("session-output", sessionId, data);
// Detect when terminal is ready
if (!terminalReady) {
dataBuffer += data;
// Method 1: Look for bracketed paste mode enable sequence
if (dataBuffer.includes("\x1b[?2004h")) {
terminalReady = true;
// Auto-run the selected coding agent
if (config.codingAgent === "claude") {
ptyProcess.write("claude\r");
} else if (config.codingAgent === "codex") {
ptyProcess.write("codex\r");
}
}
// Method 2: Fallback - look for common prompt indicators
else if (dataBuffer.includes("$ ") || dataBuffer.includes("% ") ||
dataBuffer.includes("> ") || dataBuffer.includes("➜ ") ||
dataBuffer.includes("➜ ") ||
dataBuffer.includes("✗ ") || dataBuffer.includes("✓ ") ||
dataBuffer.endsWith("$") || dataBuffer.endsWith("%") ||
dataBuffer.endsWith(">") || dataBuffer.endsWith("➜") ||
dataBuffer.endsWith("✗") || dataBuffer.endsWith("✓")) {
terminalReady = true;
// Auto-run the selected coding agent
if (config.codingAgent === "claude") {
ptyProcess.write("claude\r");
} else if (config.codingAgent === "codex") {
ptyProcess.write("codex\r");
}
}
}
});
event.reply("session-created", sessionId, persistedSession);
} catch (error) {
console.error("Error creating session:", error);
const errorMessage = error instanceof Error ? error.message : String(error);
event.reply("session-error", errorMessage);
}
});
// Handle session input
ipcMain.on("session-input", (_event, sessionId: string, data: string) => {
const ptyProcess = activePtyProcesses.get(sessionId);
if (ptyProcess) {
ptyProcess.write(data);
}
});
// Handle session resize
ipcMain.on("session-resize", (_event, sessionId: string, cols: number, rows: number) => {
const ptyProcess = activePtyProcesses.get(sessionId);
if (ptyProcess) {
ptyProcess.resize(cols, rows);
}
});
// Reopen session (spawn new PTY for existing session)
ipcMain.on("reopen-session", (event, sessionId: string) => {
// Check if PTY already active
if (activePtyProcesses.has(sessionId)) {
event.reply("session-reopened", sessionId);
return;
}
// Find persisted session
const sessions = getPersistedSessions();
const session = sessions.find(s => s.id === sessionId);
if (!session) {
console.error("Session not found:", sessionId);
return;
}
// Spawn new PTY in worktree directory
const shell = os.platform() === "darwin" ? "zsh" : "bash";
const ptyProcess = pty.spawn(shell, [], {
name: "xterm-color",
cols: 80,
rows: 30,
cwd: session.worktreePath,
env: process.env,
});
activePtyProcesses.set(sessionId, ptyProcess);
let terminalReady = false;
let dataBuffer = "";
ptyProcess.onData((data) => {
mainWindow.webContents.send("session-output", sessionId, data);
// Detect when terminal is ready and auto-run agent
if (!terminalReady) {
dataBuffer += data;
if (dataBuffer.includes("\x1b[?2004h") ||
dataBuffer.includes("$ ") || dataBuffer.includes("% ") ||
dataBuffer.includes("➜ ") || dataBuffer.includes("✗ ") ||
dataBuffer.includes("✓ ")) {
terminalReady = true;
if (session.config.codingAgent === "claude") {
ptyProcess.write("claude\r");
} else if (session.config.codingAgent === "codex") {
ptyProcess.write("codex\r");
}
}
}
});
event.reply("session-reopened", sessionId);
});
// Close session (kill PTY but keep session)
ipcMain.on("close-session", (_event, sessionId: string) => {
const ptyProcess = activePtyProcesses.get(sessionId);
if (ptyProcess) {
ptyProcess.kill();
activePtyProcesses.delete(sessionId);
}
});
// Delete session (kill PTY, remove worktree, delete from store)
ipcMain.on("delete-session", async (_event, sessionId: string) => {
// Kill PTY if active
const ptyProcess = activePtyProcesses.get(sessionId);
if (ptyProcess) {
ptyProcess.kill();
activePtyProcesses.delete(sessionId);
}
// Find and remove from persisted sessions
const sessions = getPersistedSessions();
const sessionIndex = sessions.findIndex(s => s.id === sessionId);
if (sessionIndex === -1) {
console.error("Session not found:", sessionId);
return;
}
const session = sessions[sessionIndex];
// Remove git worktree
await removeWorktree(session.config.projectDir, session.worktreePath);
// Remove from store
sessions.splice(sessionIndex, 1);
savePersistedSessions(sessions);
mainWindow.webContents.send("session-deleted", sessionId);
});
// Get all persisted sessions
ipcMain.handle("get-all-sessions", () => {
return getPersistedSessions();
});
const createWindow = () => {
mainWindow = new BrowserWindow({
width: 1400,
height: 900,
webPreferences: {
nodeIntegration: true,
contextIsolation: false,
},
});
mainWindow.loadFile("index.html");
// Load persisted sessions once window is ready
mainWindow.webContents.on("did-finish-load", () => {
const sessions = getPersistedSessions();
mainWindow.webContents.send("load-persisted-sessions", sessions);
});
};
app.whenReady().then(() => {
createWindow();
app.on("activate", () => {
if (BrowserWindow.getAllWindows().length === 0) {
createWindow();
}
});
});
app.on("window-all-closed", () => {
if (process.platform !== "darwin") {
app.quit();
}
});