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fix: detect musl/glibc at runtime for correct Claude binary download

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Previously used cfg!(target_env = "musl") which checks compile-time,
causing musl-compiled sandbox-agent to always download musl binaries
even on glibc systems like Debian/E2B.

Now checks for /lib/ld-musl-*.so.1 at runtime to detect the actual
system libc and download the correct Claude binary variant.
This commit is contained in:
Nathan Flurry 2026-01-28 04:19:35 -08:00
parent 0bbe92b344
commit cbd36eeca8
12 changed files with 228 additions and 194 deletions
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23
examples/e2b/src/e2b.ts
View file

@ -1,5 +1,4 @@
import { Sandbox } from "@e2b/code-interpreter";
import { SandboxAgent } from "sandbox-agent";
import { logInspectorUrl, runPrompt } from "@sandbox-agent/example-shared";
if (!process.env.E2B_API_KEY || (!process.env.OPENAI_API_KEY && !process.env.ANTHROPIC_API_KEY)) {
@ -11,11 +10,18 @@ if (process.env.ANTHROPIC_API_KEY) envs.ANTHROPIC_API_KEY = process.env.ANTHROPI
if (process.env.OPENAI_API_KEY) envs.OPENAI_API_KEY = process.env.OPENAI_API_KEY;
const sandbox = await Sandbox.create({ allowInternetAccess: true, envs });
const run = (cmd: string) => sandbox.commands.run(cmd);
const run = async (cmd: string) => {
const result = await sandbox.commands.run(cmd);
if (result.exitCode !== 0) throw new Error(`Command failed: ${cmd}\n${result.stderr}`);
return result;
};
console.log("Installing sandbox-agent...");
await run("curl -fsSL https://releases.rivet.dev/sandbox-agent/latest/install.sh | sh");
await run("curl -fsSL https://releases.rivet.dev/sandbox-agent/0.1.0-rc.1/install.sh | sh");
console.log("Installing agents...");
await run("sandbox-agent install-agent claude");
await run("sandbox-agent install-agent codex");
console.log("Starting server...");
await sandbox.commands.run("sandbox-agent server --no-token --host 0.0.0.0 --port 3000", { background: true });
@ -25,20 +31,15 @@ logInspectorUrl({ baseUrl });
// Wait for server to be ready
console.log("Waiting for server...");
const client = await SandboxAgent.connect({ baseUrl });
for (let i = 0; i < 30; i++) {
try {
await client.getHealth();
break;
const res = await fetch(`${baseUrl}/v1/health`);
if (res.ok) break;
} catch {
await new Promise((r) => setTimeout(r, 1000));
}
}
console.log("Installing agents...");
await client.installAgent("claude");
await client.installAgent("codex");
const cleanup = async () => {
console.log("Cleaning up...");
await sandbox.kill();