codio 0.1.1

Production-ready commit message generator using local Ollama LLM
Documentation 
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#!/usr/bin/env node
const fs = require('node:fs');
const os = require('node:os');
const path = require('node:path');
const https = require('node:https');
const { pipeline } = require('node:stream/promises');
const { createGunzip } = require('node:zlib');
const tar = require('tar');

const pkg = require('../package.json');

const platform = process.platform;
const arch = process.arch;
const version = pkg.version;

const releaseBase =
  process.env.CODIO_RELEASE_BASE_URL ||
  `https://github.com/REPLACE_ME/REPLACE_ME/releases/download/v${version}`;

const targetMap = {
  'darwin-arm64': 'aarch64-apple-darwin',
  'darwin-x64': 'x86_64-apple-darwin',
  'linux-arm64': 'aarch64-unknown-linux-musl',
  'linux-x64': 'x86_64-unknown-linux-musl',
  'win32-x64': 'x86_64-pc-windows-msvc'
};

const key = `${platform}-${arch}`;
const target = targetMap[key];
if (!target) {
  console.error(`[codio-cli] Unsupported platform: ${key}`);
  process.exit(1);
}

const isWin = platform === 'win32';
const binName = isWin ? 'codio.exe' : 'codio';
const archiveName = `codio-${target}.tar.gz`;
const url = `${releaseBase}/${archiveName}`;

const binDir = path.join(__dirname, '..', 'bin');
const outPath = path.join(binDir, binName);

async function downloadAndExtract() {
  fs.mkdirSync(binDir, { recursive: true });

  const tmpDir = fs.mkdtempSync(path.join(os.tmpdir(), 'codio-cli-'));
  const archivePath = path.join(tmpDir, archiveName);

  await download(url, archivePath);
  await extractTarGz(archivePath, tmpDir);

  const extractedPath = path.join(tmpDir, binName);
  if (!fs.existsSync(extractedPath)) {
    console.error(`[codio-cli] Archive did not contain expected binary: ${binName}`);
    process.exit(1);
  }

  fs.copyFileSync(extractedPath, outPath);
  if (!isWin) {
    fs.chmodSync(outPath, 0o755);
  }

  console.log(`[codio-cli] Installed ${binName} (${target})`);
}

function download(url, dest) {
  return new Promise((resolve, reject) => {
    const file = fs.createWriteStream(dest);

    function request(currentUrl) {
      https.get(currentUrl, (res) => {
        if (
          res.statusCode >= 300 &&
          res.statusCode < 400 &&
          res.headers.location
        ) {
          request(res.headers.location);
          return;
        }

        if (res.statusCode !== 200) {
          reject(new Error(`Download failed (${res.statusCode}): ${currentUrl}`));
          return;
        }

        res.pipe(file);
        file.on('finish', () => {
          file.close(resolve);
        });
      }).on('error', reject);
    }

    request(url);
  });
}

async function extractTarGz(archivePath, outDir) {
  await pipeline(
    fs.createReadStream(archivePath),
    createGunzip(),
    tar.x({ cwd: outDir, strip: 1 })
  );
}

downloadAndExtract().catch((err) => {
  console.error('[codio-cli] Failed to install binary.');
  console.error(`[codio-cli] ${err.message}`);
  console.error('[codio-cli] Ensure release assets exist and CODIO_RELEASE_BASE_URL is correct.');
  process.exit(1);
});