fix: upload long deploy scripts before remote launch

scripts/src/deploy.ts

@@ -55,6 +55,13 @@ interface BackgroundPoll {
   raw: unknown;
 }
 
+interface RemoteScriptUpload {
+  ok: boolean;
+  path: string;
+  error: string;
+  raw: unknown[];
+}
+
 interface ServiceRuntimeState {
   serviceId: string;
   ok: boolean;
@@ -964,6 +971,37 @@ async function runTargetCommand(config: UniDeskConfig, service: UniDeskMicroserv
   return await dispatchSsh(config, service.providerId, command, cwd, waitMs, remoteTimeoutMs);
 }
 
+function splitFixed(value: string, size: number): string[] {
+  const chunks: string[] = [];
+  for (let index = 0; index < value.length; index += size) chunks.push(value.slice(index, index + size));
+  return chunks;
+}
+
+async function uploadRemoteShellScript(
+  config: UniDeskConfig,
+  service: UniDeskMicroserviceConfig,
+  script: string,
+  cwd: string,
+  name: string,
+): Promise<RemoteScriptUpload> {
+  const remotePath = `/tmp/unidesk-deploy-${safeId(service.id)}-${safeId(name)}-${Date.now().toString(36)}-${Math.random().toString(16).slice(2, 8)}.sh`;
+  const b64Path = `${remotePath}.b64`;
+  const raw: unknown[] = [];
+  const init = await runTargetCommand(config, service, `umask 077; rm -f ${shellQuote(remotePath)} ${shellQuote(b64Path)}; : > ${shellQuote(b64Path)}`, cwd, shortDispatchWaitMs, shortRemoteTimeoutMs);
+  raw.push(init.raw);
+  if (!init.ok) return { ok: false, path: remotePath, error: init.stderr || init.stdout || "failed to initialize remote script upload", raw };
+  const encoded = Buffer.from(script, "utf8").toString("base64");
+  for (const chunk of splitFixed(encoded, 2400)) {
+    const append = await runTargetCommand(config, service, `printf %s ${shellQuote(chunk)} >> ${shellQuote(b64Path)}`, cwd, shortDispatchWaitMs, shortRemoteTimeoutMs);
+    raw.push(append.raw);
+    if (!append.ok) return { ok: false, path: remotePath, error: append.stderr || append.stdout || "failed to append remote script chunk", raw };
+  }
+  const finalize = await runTargetCommand(config, service, `base64 -d ${shellQuote(b64Path)} > ${shellQuote(remotePath)}; chmod 700 ${shellQuote(remotePath)}; rm -f ${shellQuote(b64Path)}; wc -c ${shellQuote(remotePath)}`, cwd, shortDispatchWaitMs, shortRemoteTimeoutMs);
+  raw.push(finalize.raw);
+  if (!finalize.ok) return { ok: false, path: remotePath, error: finalize.stderr || finalize.stdout || "failed to finalize remote script upload", raw };
+  return { ok: true, path: remotePath, error: "", raw };
+}
+
 async function launchRemoteBackground(
   config: UniDeskConfig,
   service: UniDeskMicroserviceConfig,
@@ -1029,7 +1067,14 @@ async function step(
   const runId = `${Date.now().toString(36)}-${Math.random().toString(16).slice(2, 8)}`;
   const logFile = `/tmp/unidesk-deploy-${safeId(service.id)}-${name}-${runId}.log`;
   const sentinelFile = `/tmp/unidesk-deploy-${safeId(service.id)}-${name}-${runId}.done`;
-  const launch = await launchRemoteBackground(config, service, command, cwd ?? "/home/ubuntu", logFile, sentinelFile);
+  let launchCommand = command;
+  if (launchCommand.length > 1800) {
+    const upload = await uploadRemoteShellScript(config, service, command, cwd ?? "/home/ubuntu", name);
+    if (!upload.ok) return { step: name, ok: false, detail: upload.error, startedAt, finishedAt: nowIso(), raw: upload.raw };
+    launchCommand = `bash ${shellQuote(upload.path)}`;
+    progressLine(name, "remote script uploaded", { serviceId: service.id, path: upload.path, bytes: command.length });
+  }
+  const launch = await launchRemoteBackground(config, service, launchCommand, cwd ?? "/home/ubuntu", logFile, sentinelFile);
   if (!launch.ok) return { step: name, ok: false, detail: launch.error, startedAt, finishedAt: nowIso(), raw: launch.raw };
   progressLine(name, "remote background started", { serviceId: service.id, pid: launch.pid, logFile });
   const deadline = Date.now() + timeoutMs;