Chore: improve build script

Author: mysticatea

package.json

@@ -37,15 +37,16 @@
     "webpack-dev-server": "^2.9.5"
   },
   "scripts": {
-    "build": "cross-env NODE_ENV=production run-s clean build:* -s",
+    "build": "cross-env NODE_ENV=production run-s clean build:*",
     "build:html": "appcache-manifest-fixer src/index.html -o dist/index.html",
     "build:js": "webpack --progress --hide-modules",
     "build:monaco": "node scripts/copy-monaco",
     "build:manifest": "appcache-manifest \"dist/**/*.{css,html,js,svg,eot,ttf,woff,woff2}\" --prefix /vue-eslint-demo --network-star -o dist/index.appcache",
     "build:versions": "node scripts/make-versions",
     "clean": "rimraf dist",
     "deploy": "node scripts/deploy",
-    "preversion": "npm run build",
+    "lint": "eslint .",
+    "preversion": "run-s lint build -s",
     "postversion": "git push && git push --tags && npm run deploy",
     "update-deps": "npm install eslint@latest eslint-plugin-vue@next vue-eslint-parser@experimental",
     "watch": "cross-env NODE_ENV=development run-p watch:* -s",

scripts/deploy.js

@@ -1,6 +1,7 @@
 "use strict"
 
 const sh = require("shelljs")
+const version = require("../package.json").version
 
 main()
 
@@ -9,21 +10,19 @@ main()
  * @returns {void}
  */
 function main() {
-    exec("npm run -s build")
+    exec(`git checkout ${version}`)
+    exec("npm run build")
     exec("git checkout gh-pages")
 
-    if (String(sh.cat("dist/versions.json")) === String(sh.cat("versions.json"))) {
-        sh.echo("No update.")
-        exec("git checkout -")
-        return
+    if (String(sh.cat("dist/versions.json")) !== String(sh.cat("versions.json"))) {
+        rm("-rf", "vs", "index.*")
+        cp("-r", "dist/*", ".")
+        exec("git add -A")
+        exec("git commit -m \"Update: website\"")
+        exec("git push")
     }
 
-    rm("-rf", "vs", "index.*")
-    cp("-r", "dist/*", ".")
-    exec("git add -A")
-    exec("git commit -m \"Update: website\"")
-    exec("git push")
-    exec("git checkout -")
+    exec("git checkout master")
 }
 
 /**