fix(fmt): clarify formatting fix command

Author: chenjiahan

packages/rstack/src/fmt/cli.ts

@@ -248,9 +248,9 @@ const logFmtResult = (
   if (differentCount > 0) {
     const differentFiles = formatFileCount(differentCount, true);
     const processedFiles = formatFileCount(processedFileCount);
-    const checkOption = color.cyan('--check');
+    const fmtCommand = color.cyan('rs fmt');
     logger.error(
-      `Formatting issues found in ${differentFiles}. Run without ${checkOption} to fix.`,
+      `Formatting issues found in ${differentFiles}. Run ${fmtCommand} to fix.`,
     );
     logger.info(`Checked ${processedFiles} in ${prettyTime(durationSeconds)}.`);
   } else if (result.exitCode === 0) {

packages/rstack/tests/cli/check.test.ts

@@ -36,7 +36,9 @@ test('runs lint followed by a formatting check', () => {
 
   expect(unformatted.status).toBe(1);
   expect(unformatted.stdout).toContain('Checking formatting...');
-  expect(unformatted.stderr).toContain('Formatting issues found in 1 file.');
+  expect(unformatted.stderr).toContain(
+    'Formatting issues found in 1 file. Run rs fmt to fix.',
+  );
 
   writeProjectFile('src/index.ts', 'const value = true;\n');
   const formatted = runCheck();

packages/rstack/tests/cli/fmt/files.test.ts

@@ -108,7 +108,7 @@ test('checks formatting without writing files', () => {
   );
   expect(result.stderr).toContain('error   index.ts');
   expect(normalizeDuration(result.stderr)).toContain(
-    'error   Formatting issues found in 1 file. Run without --check to fix.',
+    'error   Formatting issues found in 1 file. Run rs fmt to fix.',
   );
   expect(readProjectFile('index.ts')).toBe(source);