feat: automatically run pod install when running init command

packages/cli/package.json

@@ -27,6 +27,7 @@
     "@react-native-community/cli-platform-ios": "^2.0.0-alpha.17",
     "@react-native-community/cli-tools": "^2.0.0-alpha.17",
     "chalk": "^1.1.1",
+    "command-exists": "^1.2.8",
     "commander": "^2.19.0",
     "compression": "^1.7.1",
     "connect": "^3.6.5",

packages/cli/src/commands/init/init.js

@@ -2,8 +2,12 @@
 import os from 'os';
 import path from 'path';
 import fs from 'fs-extra';
+import execa from 'execa';
+import Ora from 'ora';
 import minimist from 'minimist';
 import semver from 'semver';
+import inquirer from 'inquirer';
+import commandExists from 'command-exists';
 import type {ConfigT} from 'types';
 import {validateProjectName} from './validate';
 import DirectoryAlreadyExistsError from './errors/DirectoryAlreadyExistsError';
@@ -20,6 +24,7 @@ import * as PackageManager from '../../tools/packageManager';
 import {processTemplateName} from './templateName';
 import banner from './banner';
 import {getLoader} from '../../tools/loader';
+import {CLIError} from '@react-native-community/cli-tools/build/errors';
 
 type Options = {|
   template?: string,
@@ -93,9 +98,7 @@ async function createFromTemplate({
       loader.succeed();
     }
 
-    loader.start('Installing all required dependencies');
-    await PackageManager.installAll({preferYarn: !npm, silent: true});
-    loader.succeed();
+    await installDependencies({npm, loader});
   } catch (e) {
     loader.fail();
     throw new Error(e);
@@ -104,6 +107,87 @@ async function createFromTemplate({
   }
 }
 
+async function installPods(loader: typeof Ora) {
+  process.chdir('ios');
+
+  const hasPods = await fs.pathExists('Podfile');
+
+  if (!hasPods) {
+    return;
+  }
+
+  try {
+    await commandExists('pod');
+  } catch (err) {
+    loader.succeed();
+
+    const {shouldInstallCocoaPods} = await inquirer.prompt([
+      {
+        type: 'confirm',
+        name: 'shouldInstallCocoaPods',
+        message: 'CocoaPods is not installed, do you want to install it?',
+      },
+    ]);
+
+    if (shouldInstallCocoaPods) {
+      try {
+        // First attempt to install `cocoapods`
+        await execa('gem', ['install', 'cocoapods'], {
+          stdio: 'pipe',
+        });
+      } catch (err) {
+        try {
+          // If that doesn't work then try with sudo
+          await execa('sudo', ['gem', 'install', 'cocoapods'], {
+            stdio: 'pipe',
+          });
+        } catch (err) {
+          throw new CLIError(
+            'Error occurred while trying to install CocoaPods, please run this command again.',
+            err,
+          );
+        }
+      }
+
+      loader.start('Installing pods');
+    }
+  }
+
+  try {
+    await execa('pod', ['install'], {
+      stdio: 'pipe',
+    });
+  } catch (err) {
+    throw new CLIError(
+      'Failed to run "pod install", please try to run it manually.',
+      err,
+    );
+  }
+}
+
+async function installDependencies({
+  npm,
+  loader,
+}: {
+  npm?: boolean,
+  loader: typeof Ora,
+}) {
+  loader.start('Installing all required dependencies');
+
+  await PackageManager.installAll({
+    preferYarn: !npm,
+    silent: true,
+  });
+
+  if (process.platform === 'darwin') {
+    await installPods(loader);
+
+    process.chdir('..');
+  }
+
+  loader.succeed();
+}
+
 function createProject(projectName: string, options: Options, version: string) {
   fs.mkdirSync(projectName);
   process.chdir(projectName);
@@ -144,7 +228,7 @@ export default (async function initialize(
   try {
     await createProject(projectName, options, version);
 
-    printRunInstructions(process.cwd(), projectName);
+    await printRunInstructions(process.cwd(), projectName);
   } catch (e) {
     logger.error(e.message);
     fs.removeSync(projectName);

packages/cli/src/commands/init/printRunInstructions.js

@@ -9,19 +9,22 @@
  */
 
 import path from 'path';
+import fs from 'fs-extra';
 import chalk from 'chalk';
 import {logger} from '@react-native-community/cli-tools';
 
-function printRunInstructions(projectDir: string, projectName: string) {
+async function printRunInstructions(projectDir: string, projectName: string) {
   const absoluteProjectDir = path.resolve(projectDir);
-  const xcodeProjectPath = `${path.resolve(
-    projectDir,
-    'ios',
-    projectName,
-  )}.xcodeproj`;
+  const iosProjectDir = path.resolve(projectDir, 'ios');
+
+  const iosPodsFile = path.resolve(iosProjectDir, `${projectName}.xcworkspace`);
+  const isUsingPods = await fs.pathExists(iosPodsFile);
+
   const relativeXcodeProjectPath = path.relative(
     process.cwd(),
-    xcodeProjectPath,
+    isUsingPods
+      ? iosPodsFile
+      : path.resolve(iosProjectDir, `${projectName}.xcodeproj`),
   );
 
   logger.log(`

yarn.lock

@@ -2787,6 +2787,11 @@ combined-stream@^1.0.6, combined-stream@~1.0.6:
   dependencies:
     delayed-stream "~1.0.0"
 
+command-exists@^1.2.8:
+  version "1.2.8"
+  resolved "https://registry.yarnpkg.com/command-exists/-/command-exists-1.2.8.tgz#715acefdd1223b9c9b37110a149c6392c2852291"
+  integrity sha512-PM54PkseWbiiD/mMsbvW351/u+dafwTJ0ye2qB60G1aGQP9j3xK2gmMDc+R34L3nDtx4qMCitXT75mkbkGJDLw==
+
 commander@^2.19.0, commander@~2.19.0:
   version "2.19.0"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.19.0.tgz#f6198aa84e5b83c46054b94ddedbfed5ee9ff12a"