Repository navigation
Expand file tree
/
Copy pathindex.ts
More file actions
186 lines (162 loc) · 5.63 KB
/
Copy pathindex.ts
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
#!/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
// Tracking bug: https://github.com/microsoft/node-pty/issues/827
process.on('uncaughtException', (error) => {
if (
process.platform === 'win32' &&
error instanceof Error &&
error.message === 'Cannot resize a pty that has already exited'
) {
// This error happens on Windows 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=${targetMaxOldSpaceSizeInMB}`];
}
}
return [];
}
async function run() {
if (!process.env['GEMINI_CLI_NO_RELAUNCH'] && !process.env['SANDBOX']) {
// --- Lightweight Parent Process / Daemon ---
// We avoid importing heavy dependencies here to save ~1.5s of startup time.
const scriptArgs = getScriptArgs();
const memoryArgs = await getMemoryNodeArgs();
const { spawnArgs, env: newEnv } = getSpawnConfig(memoryArgs, scriptArgs);
let latestAdminSettings: unknown = undefined;
// Prevent the parent process from exiting prematurely on signals.
// The child process will receive the same signals and handle its own cleanup.
for (const sig of ['SIGINT', 'SIGTERM', 'SIGHUP']) {
process.on(sig as NodeJS.Signals, () => {});
}
const runner = () => {
process.stdin.pause();
const child = spawn(process.execPath, spawnArgs, {
stdio: ['inherit', 'inherit', 'inherit', 'ipc'],
env: newEnv,
});
if (latestAdminSettings) {
child.send({ type: 'admin-settings', settings: latestAdminSettings });
}
child.on('message', (msg: { type?: string; settings?: unknown }) => {
if (msg.type === 'admin-settings-update' && msg.settings) {
latestAdminSettings = msg.settings;
}
});
return new Promise<number>((resolve) => {
child.on('error', (err) => {
process.stderr.write(
'Error: Failed to start child process: ' + err.message + '\n',
);
resolve(1);
});
child.on('close', (code) => {
process.stdin.resume();
resolve(code ?? 1);
});
});
};
while (true) {
try {
const exitCode = await runner();
if (exitCode !== RELAUNCH_EXIT_CODE) {
process.exit(exitCode);
}
} catch (error: unknown) {
process.stdin.resume();
process.stderr.write(
`Fatal error: Failed to relaunch the CLI process.\n${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();