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/*
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Easily spawn a bash script given by a string, which is written to a temp file
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that is automatically removed on exit.    Returns a child process.
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*/
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import { chmod, mkdtemp, writeFile } from "node:fs/promises";
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import { tmpdir } from "node:os";
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import { ChildProcessWithoutNullStreams, spawn } from "node:child_process";
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import { cleanUpTempDir } from "./execute-code";
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import { join } from "node:path";
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//import getLogger from "@cocalc/backend/logger";
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//const logger = getLogger("bash");
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export default async function bash(
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  command: string,
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  spawnOptions?,
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): Promise<ChildProcessWithoutNullStreams> {
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  let tempDir = "";
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  let tempPath = "";
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  try {
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    tempDir = await mkdtemp(join(tmpdir(), "cocalc-"));
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    tempPath = join(tempDir, "a.sh");
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    //logger.debug("bash:writing temp file that contains bash program:\n", command);
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    await writeFile(tempPath, command);
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    await chmod(tempPath, 0o700);
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  } catch (err) {
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    await cleanUpTempDir(tempDir);
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    throw err;
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  }
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  //logger.debug(`spawning bash program: ${JSON.stringify(command).slice(0,1000)}...`);
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  const child = spawn("bash", [tempPath], spawnOptions);
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  child.once("exit", async () => {
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    await cleanUpTempDir(tempDir);
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  });
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  return child;
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}
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