Function runLinux

npm/install.js:150–211

(folderName, filePattern)

// ---------------------------------------------------------------------------

async function runLinux (folderName, filePattern) {
  const rawVer = await getVer()
  const ver = sanitizeVersion(rawVer)

  console.log(`  Version: ${ver}`)
  console.log(`  Target: ${folderName}`)

  const target = join(packageRoot, `electerm-${ver}-${folderName}`)

  // Clean up old installations
  rm('-rf', [target, extractDir])

  console.log('  Fetching release info...')
  const releaseInfo = await getReleaseInfo(r => r.name.includes(filePattern))
  if (!releaseInfo) {
    throw new Error(`No release found for pattern: ${filePattern}`)
  }

  // Download without extracting to packageRoot directly
  // We'll extract to a temp location first
  const tmpDir = join(packageRoot, '.electerm-tmp')
  rm('-rf', tmpDir)
  fs.mkdirSync(tmpDir, { recursive: true })

  const proxyUrl = applyProxy(releaseInfo.browser_download_url)
  console.log(`  URL: ${proxyUrl}`)

  const { filepath } = await download(releaseInfo.browser_download_url, tmpDir, { extract: false, displayName: releaseInfo.name })

  // Extract to tmpDir (keeps top-level folder name)
  await extractTarGz(filepath, tmpDir)

  // Find the extracted folder (should be the only directory)
  const entries = fs.readdirSync(tmpDir)
  const extractedFolder = entries.find(e => fs.statSync(join(tmpDir, e)).isDirectory())

  if (!extractedFolder) {
    throw new Error('No folder found in extracted archive')
  }

  // Move to extractDir
  console.log(`  Installing to: ${extractDir}`)
  mv(join(tmpDir, extractedFolder), extractDir)

  // Fix chrome-sandbox permissions on Linux (Electron requires specific permissions)
  // Note: setting the setuid bit requires root ownership, which npm install cannot provide.
  // The launcher handles this by passing --no-sandbox when the sandbox is not root-owned.
  if (plat === 'linux') {
    const chromeSandboxPath = join(extractDir, 'chrome-sandbox')
    if (fs.existsSync(chromeSandboxPath)) {
      console.log('  Note: To enable the Electron sandbox, run:')
      console.log(`    sudo chown root:root "${chromeSandboxPath}"`)
      console.log(`    sudo chmod 4755 "${chromeSandboxPath}"`)
      console.log('  Otherwise, electerm will launch with --no-sandbox automatically.')
    }
  }

  // Clean up temp files