feat(core): Initial project scaffold and implementation: Deno CLI, ISO tooling, cloud-init generation, packaging and installer scripts

scripts/install-binary.js

@@ -0,0 +1,144 @@
+#!/usr/bin/env node
+
+/**
+ * npm postinstall script
+ * Downloads the correct binary for the current platform
+ */
+
+import { createWriteStream, chmodSync, existsSync, mkdirSync } from 'fs';
+import { dirname, join } from 'path';
+import { fileURLToPath } from 'url';
+import { get as httpsGet } from 'https';
+import { get as httpGet } from 'http';
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = dirname(__filename);
+const rootDir = join(__dirname, '..');
+
+const REPO_URL = 'https://code.foss.global/serve.zone/isocreator';
+const VERSION = '1.0.0'; // Will be updated automatically
+
+// Detect platform and architecture
+const platformMap = {
+  darwin: 'macos',
+  linux: 'linux',
+  win32: 'windows',
+};
+
+const archMap = {
+  x64: 'x64',
+  arm64: 'arm64',
+};
+
+const platform = platformMap[process.platform];
+const arch = archMap[process.arch];
+
+if (!platform || !arch) {
+  console.error(`❌ Unsupported platform: ${process.platform}-${process.arch}`);
+  console.error('Supported platforms: linux-x64, linux-arm64, darwin-x64, darwin-arm64, win32-x64');
+  process.exit(1);
+}
+
+const ext = platform === 'windows' ? '.exe' : '';
+const binaryName = `isocreator-${platform}-${arch}${ext}`;
+const binaryDir = join(rootDir, 'dist', 'binaries');
+const binaryPath = join(binaryDir, binaryName);
+
+// Create directory if it doesn't exist
+if (!existsSync(binaryDir)) {
+  mkdirSync(binaryDir, { recursive: true });
+}
+
+// Try release URL first, fallback to raw branch
+const urls = [
+  `${REPO_URL}/releases/download/v${VERSION}/${binaryName}`,
+  `${REPO_URL}/raw/branch/main/dist/binaries/${binaryName}`,
+];
+
+console.log(`📦 Installing isocreator for ${platform}-${arch}...`);
+
+function downloadFile(url, attempt = 1) {
+  return new Promise((resolve, reject) => {
+    const protocol = url.startsWith('https') ? httpsGet : httpGet;
+
+    console.log(`⬇️  Downloading from: ${url}`);
+
+    protocol(url, { timeout: 30000 }, (response) => {
+      // Handle redirects
+      if (response.statusCode === 301 || response.statusCode === 302) {
+        const redirectUrl = response.headers.location;
+        console.log(`↪️  Redirecting to: ${redirectUrl}`);
+        return downloadFile(redirectUrl, attempt).then(resolve).catch(reject);
+      }
+
+      if (response.statusCode !== 200) {
+        console.warn(`⚠️  Failed to download (HTTP ${response.statusCode})`);
+
+        if (attempt < urls.length) {
+          console.log(`🔄 Trying fallback URL (${attempt + 1}/${urls.length})...`);
+          return downloadFile(urls[attempt], attempt + 1).then(resolve).catch(reject);
+        }
+
+        return reject(new Error(`Failed to download binary from all sources`));
+      }
+
+      const file = createWriteStream(binaryPath);
+      const totalBytes = parseInt(response.headers['content-length'], 10);
+      let downloadedBytes = 0;
+
+      response.on('data', (chunk) => {
+        downloadedBytes += chunk.length;
+        if (totalBytes) {
+          const percent = ((downloadedBytes / totalBytes) * 100).toFixed(1);
+          process.stdout.write(`\r📥 Progress: ${percent}%`);
+        }
+      });
+
+      response.pipe(file);
+
+      file.on('finish', () => {
+        file.close();
+        console.log('\n✅ Download complete!');
+
+        // Make executable on Unix-like systems
+        if (platform !== 'windows') {
+          try {
+            chmodSync(binaryPath, 0o755);
+            console.log('✅ Binary made executable');
+          } catch (err) {
+            console.warn('⚠️  Failed to make binary executable:', err.message);
+          }
+        }
+
+        resolve();
+      });
+
+      file.on('error', (err) => {
+        file.close();
+        reject(err);
+      });
+    }).on('error', (err) => {
+      if (attempt < urls.length) {
+        console.warn(`⚠️  Download failed:`, err.message);
+        console.log(`🔄 Trying fallback URL (${attempt + 1}/${urls.length})...`);
+        downloadFile(urls[attempt], attempt + 1).then(resolve).catch(reject);
+      } else {
+        reject(err);
+      }
+    });
+  });
+}
+
+// Start download
+downloadFile(urls[0], 1)
+  .then(() => {
+    console.log('🎉 isocreator installed successfully!');
+    console.log(`\n💡 Try running: isocreator --help`);
+    process.exit(0);
+  })
+  .catch((err) => {
+    console.error('\n❌ Installation failed:', err.message);
+    console.error('\nYou can try manual installation:');
+    console.error(`  curl -sSL ${REPO_URL}/raw/branch/main/install.sh | sudo bash`);
+    process.exit(1);
+  });