feat: add --skip-sync to dev and prod

packages/astro/src/@types/astro.ts

@@ -84,6 +84,7 @@ export interface CLIFlags {
 	port?: number;
 	config?: string;
 	drafts?: boolean;
+	skipSync?: boolean;
 }
 
 export interface BuildConfig {

packages/astro/src/cli/index.ts

@@ -59,6 +59,7 @@ function printAstroHelp() {
 				['--base <pathname>', 'Specify your project base.'],
 				['--verbose', 'Enable verbose logging.'],
 				['--silent', 'Disable all logging.'],
+				['--skip-sync', 'Skip automatic content type generation.'],
 				['--version', 'Show the version number and exit.'],
 				['--help', 'Show this help message.'],
 			],
@@ -203,7 +204,12 @@ async function runCommand(cmd: string, flags: yargs.Arguments) {
 		case 'build': {
 			const { default: build } = await import('../core/build/index.js');
 
-			return await build(settings, { ...flags, logging, telemetry });
+			return await build(settings, {
+				mode: flags.mode,
+				skipSync: flags['skip-sync'],
+				logging,
+				telemetry,
+			});
 		}
 
 		case 'check': {

packages/astro/src/core/build/index.ts

@@ -23,6 +23,7 @@ import { getTimeStat } from './util.js';
 
 export interface BuildOptions {
 	mode?: RuntimeMode;
+	skipSync?: boolean;
 	logging: LogOptions;
 	telemetry: AstroTelemetry;
 }
@@ -38,6 +39,7 @@ class AstroBuilder {
 	private settings: AstroSettings;
 	private logging: LogOptions;
 	private mode: RuntimeMode = 'production';
+	private skipSync: boolean = false;
 	private origin: string;
 	private routeCache: RouteCache;
 	private manifest: ManifestData;
@@ -47,6 +49,9 @@ class AstroBuilder {
 		if (options.mode) {
 			this.mode = options.mode;
 		}
+		if (options.skipSync) {
+			this.skipSync = options.skipSync;
+		}
 		this.settings = settings;
 		this.logging = options.logging;
 		this.routeCache = new RouteCache(this.logging);
@@ -81,11 +86,13 @@ class AstroBuilder {
 		);
 		await runHookConfigDone({ settings: this.settings, logging });
 
+		if (!this.skipSync) {
 			const { sync } = await import('../sync/index.js');
 			const syncRet = await sync(this.settings, { logging, fs });
 			if (syncRet !== 0) {
 				return process.exit(syncRet);
 			}
+		}
 
 		return { viteConfig };
 	}

packages/astro/src/core/dev/dev.ts

@@ -72,7 +72,9 @@ export default async function dev(
 		warn(options.logging, null, msg.fsStrictWarning());
 	}
 
+	if (!options.flags?.['skip-sync']) {
 		await attachContentServerListeners(restart.container);
+	}
 
 	return {
 		address: devServerAddressInfo,