feat(cli): add cli env cmd

cli/env.js

@@ -0,0 +1,90 @@
+"use strict";
+
+const fs = require('fs');
+const path = require('path');
+const inquirer = require('inquirer');
+const configYargs = require('./util/config-yargs');
+const configParse = require('./util/config-parse');
+
+
+function generateEnv(configPath) {
+    const configFile = configParse.file({ config: configPath });
+    const modules = Object.keys(configFile.module || {});
+
+    if (modules.length === 0) {
+        throw new Error(`At least one presupposition module is needed`);
+    }
+
+    const config = {
+        git: '',
+        module: []
+    };
+
+    return inquirer.prompt({
+        type: 'input',
+        name: 'gitType',
+        message: 'Which git tag or branch will be diff? [default: the previous tag]'
+    })
+    .then(gitTypeAnswers => {
+        config.git = gitTypeAnswers.gitType;
+    })
+    .then(() => {
+        return inquirer.prompt({
+            type: 'checkbox',
+            name: 'moduleType',
+            message: 'Choice modules',
+            choices: ['a', 'b', 'c']
+        })
+    })
+    .then(moduleTypeAnswers => {
+        config.module = moduleTypeAnswers.moduleType;
+    })
+    .then(() => {
+        return JSON.stringify(config.git + ':' + config.module.join(','));
+    });
+}
+
+exports.cmd = 'env [config]';
+exports.desc = 'Generate env config string';
+exports.builder = yargs => yargs
+    .option('shortcut', {
+        type: 'boolean',
+        describe: 'Generate config to shortcut like git:modules,...',
+        group: configYargs.BASIC_GROUP
+    })
+    .option('output', {
+        type: 'string',
+        describe: 'The output directory',
+        group: configYargs.BASIC_GROUP,
+        requiresArg: true
+    })
+    .strict();
+
+exports.handler = argv => {
+    new Promise((resolve, reject) => {
+        if (argv.shortcut) {
+            resolve(generateEnv(argv.config));
+        } else {
+            if (!(argv.config || typeof argv.config === 'string')) {
+                reject('Required config path');
+            }
+
+            const configPath = path.join(process.cwd(), argv.config);
+            const configFile = fs.readFileSync(configPath);
+            const configObj = JSON.parse(configFile);
+            const configStr = JSON.stringify(configObj);
+            const configEnv = JSON.stringify(configStr);
+            resolve(configEnv);
+        }
+    })
+    .then(configEnv => {
+        console.log(configEnv)
+        if (argv.output) {
+            const outputPath = path.join(process.cwd(), argv.output);
+            fs.writeFileSync(outputPath, configEnv, 'utf8');
+        }
+    })
+    .catch(e => {
+        throw new Error(e);
+    });
+};

cli/index.js

@@ -7,6 +7,7 @@ const configParse = require('./util/config-parse');
 
 exports.commands = [
     require('./init'),
+    require('./test')
 ];
 
 exports.builder = configYargs;

package.json

@@ -26,6 +26,7 @@
   "dependencies": {
     "fs-extra": "^6.0.1",
     "glob": "^7.1.2",
+    "inquirer": "^5.2.0",
     "minimatch": "^3.0.4",
     "yargs": "^11.0.0",
     "yeoman-environment": "^2.1.1",