refactor: remove --hot-only in favor of --hot only (#3093)

BREAKING CHANGE: `--hot-only` option was removed

Author: snitin315

bin/cli-flags.js

@@ -55,15 +55,6 @@ module.exports = {
         delete opts.clientProgress;
       },
     },
-    {
-      name: 'hot-only',
-      type: Boolean,
-      description: 'Do not refresh page if HMR fails.',
-      processor(opts) {
-        opts.hot = 'only';
-        delete opts.hotOnly;
-      },
-    },
     {
       name: 'setup-exit-signals',
       type: Boolean,

test/cli/cli.test.js

@@ -26,8 +26,9 @@ describe('CLI', () => {
       .catch(done);
   });
 
-  it('--hot-only', (done) => {
-    testBin('--hot-only')
+  // Enable after new webpack-cli release
+  it.skip('--hot only', (done) => {
+    testBin('--hot only')
       .then((output) => {
         expect(output.exitCode).toEqual(0);
         expect(output.stdout).toContain('/hot/only-dev-server');