55 lines
1.5 KiB
JavaScript
55 lines
1.5 KiB
JavaScript
import child_process from "child_process";
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import process from "process";
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// Given a shell command as a string, execute it with Bash. Options:
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//
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// getStdout: if given and truthy, return stdout as a string instead
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// of streaming it to the standard location
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// getStderr: same but for stderr
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//
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// Return value is an object with required property code and, optional
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// properties stdout, stderr.
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export async function runCommand(cmd, options) {
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const { getStdout, getStderr } = options || {};
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console.error(`$ ${cmd}`);
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const rv = await new Promise((resolve, reject) => {
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const rv = { stdout: "", stderr: "" };
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const proc = child_process.spawn(
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"bash",
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["-c", `set -euo pipefail; ${cmd}`],
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{
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stdio: [
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process.stdin,
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getStdout ? "pipe" : process.stdout,
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getStderr ? "pipe" : process.stderr,
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],
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}
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);
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if (getStdout) {
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proc.stdout.on("data", (data) => {
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rv.stdout += data.toString();
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});
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}
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if (getStderr) {
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proc.stderr.on("data", (data) => {
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rv.stderr += data.toString();
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});
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}
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proc.on("error", reject);
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proc.on("close", (code) => resolve({ code, ...rv }));
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});
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if (rv.code !== 0) {
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throw new Error(`command exited with code ${rv.code}`);
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}
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return rv;
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}
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// Return the Riju-Script-Hash field in a .deb file generated by Riju.
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export async function getDebHash(debPath) {
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return (
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await runCommand(`dpkg-deb -f ${debPath} Riju-Script-Hash`, {
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getStdout: true,
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})
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).stdout.trim();
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}
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