dev: 修改dev依赖从 unique-commit-id 至 git-commit-id

unique-commit-id 错误的将 devDependencies 写入 dependencies，
导致node_modules中引入了过多无必要的npm packages

package.json

@@ -91,7 +91,7 @@
     "ts-node": "^8.5.2",
     "typescript": "^3.0.0",
     "uglifyjs-webpack-plugin": "^2.0.1",
-    "unique-commit-id": "^1.0.0",
+    "git-commit-id": "^2.0.1",
     "vue-cli-plugin-vuetify": "^0.4.6",
     "vue-template-compiler": "^2.5.17",
     "vuetify-loader": "^1.0.5",

webpack/prod-background.js

@@ -2,7 +2,7 @@ const merge = require("webpack-merge");
 const common = require("./common.js");
 const path = require("path");
 const CopyWebpackPlugin = require("copy-webpack-plugin");
-const ucid = require("unique-commit-id");
+const gitCommitId = require('git-commit-id');
 
 // 用于替换 @ 符号的路径
 function resolve(dir) {
@@ -32,7 +32,7 @@ module.exports = merge(common, {
         to: path.join(resolve('dist'), "manifest.json"),
         transform (content, path) {
           var manifest = JSON.parse(content.toString());
-          manifest.version_name = `${manifest.version}.${ucid.latest()}`; // ex: '01ef00a'
+          manifest.version_name = `${manifest.version}.${gitCommitId().slice(0, 7)}`; // ex: '01ef00a'
           return JSON.stringify(manifest);
         }
       }