File size: 6,110 Bytes
7421850 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 | #!/usr/bin/env node
/**
* @license
* Copyright 2025 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
import { spawn } from 'node:child_process';
import os from 'node:os';
import v8 from 'node:v8';
import {
RELAUNCH_EXIT_CODE,
getSpawnConfig,
getScriptArgs,
} from './src/utils/processUtils.js';
// --- Global Entry Point ---
// Suppress known race condition error in node-pty on Windows and Linux
// Tracking bug: https://github.com/microsoft/node-pty/issues/827
process.on('uncaughtException', (error) => {
if (error instanceof Error) {
const message = error.message || '';
const isPtyResizeError =
message === 'Cannot resize a pty that has already exited';
const isEbadfError =
message.includes('EBADF') ||
(error as { code?: string }).code === 'EBADF';
const isFromNodePty =
error.stack?.includes('node-pty') || error.stack?.includes('PtyResize');
if ((isPtyResizeError || isEbadfError) && isFromNodePty) {
// This error happens with node-pty when resizing a pty that has just exited.
// It is a race condition in node-pty that we cannot prevent, so we silence it.
return;
}
}
// For other errors, we rely on the default behavior, but since we attached a listener,
// we must manually replicate it.
if (error instanceof Error) {
process.stderr.write(error.stack + '\n');
} else {
process.stderr.write(String(error) + '\n');
}
process.exit(1);
});
async function getMemoryNodeArgs(): Promise<string[]> {
let autoConfigureMemory = true;
try {
const { readFileSync } = await import('node:fs');
const { join } = await import('node:path');
// Respect GEMINI_CLI_HOME environment variable, falling back to os.homedir()
const baseDir =
process.env['GEMINI_CLI_HOME'] || join(os.homedir(), '.gemini');
const settingsPath = join(baseDir, 'settings.json');
const rawSettings = readFileSync(settingsPath, 'utf8');
const settings = JSON.parse(rawSettings);
if (settings?.advanced?.autoConfigureMemory === false) {
autoConfigureMemory = false;
}
} catch {
// ignore
}
if (autoConfigureMemory) {
const totalMemoryMB = os.totalmem() / (1024 * 1024);
const heapStats = v8.getHeapStatistics();
const currentMaxOldSpaceSizeMb = Math.floor(
heapStats.heap_size_limit / 1024 / 1024,
);
const targetMaxOldSpaceSizeInMB = Math.floor(totalMemoryMB * 0.5);
if (targetMaxOldSpaceSizeInMB > currentMaxOldSpaceSizeMb) {
return [`--max-old-space-size=${targetMaxOldSpaceSizeInMB}`];
}
}
return [];
}
async function run() {
if (!process.env['GEMINI_CLI_NO_RELAUNCH'] && !process.env['SANDBOX']) {
// --- Lightweight Parent Process / Daemon ---
// We avoid importing heavy dependencies here to save ~1.5s of startup time.
const scriptArgs = getScriptArgs();
const memoryArgs = await getMemoryNodeArgs();
const { spawnArgs, env: newEnv } = getSpawnConfig(memoryArgs, scriptArgs);
let latestAdminSettings: unknown = undefined;
// Prevent the parent process from exiting prematurely on signals.
// The child process will receive the same signals and handle its own cleanup.
for (const sig of ['SIGINT', 'SIGTERM', 'SIGHUP']) {
process.on(sig as NodeJS.Signals, () => {});
}
const runner = () => {
process.stdin.pause();
const child = spawn(process.execPath, spawnArgs, {
stdio: ['inherit', 'inherit', 'inherit', 'ipc'],
env: newEnv,
});
if (latestAdminSettings) {
child.send({ type: 'admin-settings', settings: latestAdminSettings });
}
child.on('message', (msg: { type?: string; settings?: unknown }) => {
if (msg.type === 'admin-settings-update' && msg.settings) {
latestAdminSettings = msg.settings;
}
});
return new Promise<number>((resolve) => {
child.on('error', (err) => {
process.stderr.write(
'Error: Failed to start child process: ' + err.message + '\n',
);
resolve(1);
});
child.on('close', (code) => {
process.stdin.resume();
resolve(code ?? 1);
});
});
};
while (true) {
try {
const exitCode = await runner();
if (process.platform === 'android' || exitCode !== RELAUNCH_EXIT_CODE) {
process.exit(exitCode);
}
} catch (error: unknown) {
process.stdin.resume();
process.stderr.write(
`Fatal error: Failed to relaunch the CLI process.\n${error instanceof Error ? (error.stack ?? error.message) : String(error)}\n`,
);
process.exit(1);
}
}
} else {
// --- Heavy Child Process ---
// Now we can safely import everything.
const { main } = await import('./src/gemini.js');
const { FatalError, writeToStderr } = await import(
'@google/gemini-cli-core'
);
const { runExitCleanup } = await import('./src/utils/cleanup.js');
main().catch(async (error: unknown) => {
// Set a timeout to force exit if cleanup hangs
const cleanupTimeout = setTimeout(() => {
writeToStderr('Cleanup timed out, forcing exit...\n');
process.exit(1);
}, 5000);
try {
await runExitCleanup();
} catch (cleanupError: unknown) {
writeToStderr(
`Error during final cleanup: ${cleanupError instanceof Error ? cleanupError.message : String(cleanupError)}\n`,
);
} finally {
clearTimeout(cleanupTimeout);
}
if (error instanceof FatalError) {
let errorMessage = error.message;
if (!process.env['NO_COLOR']) {
errorMessage = `\x1b[31m${errorMessage}\x1b[0m`;
}
writeToStderr(errorMessage + '\n');
process.exit(error.exitCode);
}
writeToStderr('An unexpected critical error occurred:');
if (error instanceof Error) {
writeToStderr(error.stack + '\n');
} else {
writeToStderr(String(error) + '\n');
}
process.exit(1);
});
}
}
run();
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