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/**
* @license
* Copyright 2025 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import { execSync } from 'child_process';
import { existsSync, readFileSync } from 'fs';
import { join, dirname } from 'path';
import stripJsonComments from 'strip-json-comments';
import os from 'os';
import yargs from 'yargs';
import { hideBin } from 'yargs/helpers';
import dotenv from 'dotenv';
const argv = yargs(hideBin(process.argv)).option('q', {
alias: 'quiet',
type: 'boolean',
default: false,
}).argv;
let geminiSandbox = process.env.GEMINI_SANDBOX;
if (!geminiSandbox) {
const userSettingsFile = join(os.homedir(), '.gemini', 'settings.json');
if (existsSync(userSettingsFile)) {
const settings = JSON.parse(
stripJsonComments(readFileSync(userSettingsFile, 'utf-8')),
);
if (settings.sandbox) {
geminiSandbox = settings.sandbox;
}
}
}
if (!geminiSandbox) {
let currentDir = process.cwd();
while (currentDir !== '/') {
const geminiEnv = join(currentDir, '.gemini', '.env');
const regularEnv = join(currentDir, '.env');
if (existsSync(geminiEnv)) {
dotenv.config({ path: geminiEnv });
break;
} else if (existsSync(regularEnv)) {
dotenv.config({ path: regularEnv });
break;
}
currentDir = dirname(currentDir);
}
geminiSandbox = process.env.GEMINI_SANDBOX;
}
if (process.env.GEMINI_CODE_SANDBOX) {
console.warn(
'WARNING: GEMINI_CODE_SANDBOX is deprecated. Use GEMINI_SANDBOX instead.',
);
geminiSandbox = process.env.GEMINI_CODE_SANDBOX;
}
geminiSandbox = (geminiSandbox || '').toLowerCase();
const commandExists = (cmd) => {
const checkCommand = os.platform() === 'win32' ? 'where' : 'command -v';
try {
execSync(`${checkCommand} ${cmd}`, { stdio: 'ignore' });
return true;
} catch {
if (os.platform() === 'win32') {
try {
execSync(`${checkCommand} ${cmd}.exe`, { stdio: 'ignore' });
return true;
} catch {
return false;
}
}
return false;
}
};
let command = '';
if (['1', 'true'].includes(geminiSandbox)) {
if (commandExists('docker')) {
command = 'docker';
} else if (commandExists('podman')) {
command = 'podman';
} else {
console.error(
'ERROR: install docker or podman or specify command in GEMINI_SANDBOX',
);
process.exit(1);
}
} else if (geminiSandbox && !['0', 'false'].includes(geminiSandbox)) {
if (commandExists(geminiSandbox)) {
command = geminiSandbox;
} else {
console.error(
`ERROR: missing sandbox command '${geminiSandbox}' (from GEMINI_SANDBOX)`,
);
process.exit(1);
}
} else {
if (os.platform() === 'darwin' && process.env.SEATBELT_PROFILE !== 'none') {
if (commandExists('sandbox-exec')) {
command = 'sandbox-exec';
} else {
process.exit(1);
}
} else {
process.exit(1);
}
}
if (!argv.q) {
console.log(command);
}
process.exit(0);
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