WIP: Create separate commits per upgraded package

src/commands/check.js

@@ -1,4 +1,4 @@
-import {writeFileSync} from 'fs';
+import {writeFileSync, existsSync} from 'fs';
 
 import _ from 'lodash';
 import {flow, map, partition} from 'lodash/fp';
@@ -18,6 +18,7 @@ import askUser from '../askUser';
 import {toSentence} from '../stringUtils';
 import {askIgnoreFields} from './ignore';
 import Config from '../Config';
+import { execSync } from 'child_process';
 
 const pkg = require('../../package.json');
 
@@ -154,6 +155,7 @@ export const handler = catchAsyncError(async opts => {
       `from ${from} to ${colorizeDiff(from, to)}?`,
       choices: _.compact([
         {name: 'Yes', value: true},
+        {name: 'Update immediately and create a separate commit', value: 'commit'},
         {name: 'No', value: false},
         // Don't show this option if we couldn't find module's changelog url
         (changelogUrl !== null) &&
@@ -218,6 +220,47 @@ export const handler = catchAsyncError(async opts => {
         isUpdateFinished = true;
         break;
 
+      case 'commit':
+        updatedModules.push(outdatedModule);
+        setModuleVersion(name, to, packageJson);
+        delete config.ignore[name];
+
+        // Showing the list of modules that are going to be updated
+        console.log(
+          `\n${strong('These packages will be updated:')}\n\n` +
+          createUpdatedModulesTable(updatedModules) +
+          '\n'
+        );
+
+        const {indent} = detectIndent(packageSource);
+        writeFileSync(
+          packageFile,
+          // Adding newline to the end of file
+          `${JSON.stringify(packageJson, null, indent)}\n`
+        );
+
+        try {
+          if (existsSync('yarn.lock')) {
+            // Assume the user wants to use yarn
+            execSync('yarn', {stdio: 'inherit'});
+            execSync('git add package.json yarn.lock', {stdio: 'inherit'});
+          } else if (existsSync('package-lock.json')) {
+            // Use npm and package-lock.json
+            execSync('npm install', {stdio: 'inherit'});
+            execSync('git add package.json package-lock.json', {stdio: 'inherit'});
+          } else {
+            // Default to only using npm install and not including a lock file
+            execSync('npm install', {stdio: 'inherit'});
+            execSync('git add package.json', {stdio: 'inherit'});
+          }
+          execSync(`git commit -m "Upgrade ${name} from ${from} to ${to}"`,{stdio: 'inherit'});
+          // Clean the list of packages to be updated after updating and commiting 
+          updatedModules.splice(0, updatedModules.length);
+        } catch(err) {
+          console.error(err)
+        }
+        break;
+
       case true:
         updatedModules.push(outdatedModule);
         setModuleVersion(name, to, packageJson);