fix: use pod installed by bundler if possible (#2669)

* fix: use pod installed by bundler if possible

* also try bundle install

Author: buschco

packages/cli-config-apple/src/tools/installPods.ts

@@ -10,6 +10,7 @@ import {
   runSudo,
 } from '@react-native-community/cli-tools';
 import runBundleInstall from './runBundleInstall';
+import {execaPod} from './pods';
 
 interface PodInstallOptions {
   skipBundleInstall?: boolean;
@@ -31,7 +32,7 @@ async function runPodInstall(loader: Ora, options: RunPodInstallOptions) {
       )} ${chalk.dim('(this may take a few minutes)')}`,
     );
 
-    await execa('bundle', ['exec', 'pod', 'install'], {
+    await execaPod(['install'], {
       env: {
         RCT_NEW_ARCH_ENABLED: options?.newArchEnabled ? '1' : '0',
         RCT_IGNORE_PODS_DEPRECATION: '1', // From React Native 0.79 onwards, users shouldn't install CocoaPods manually.
@@ -86,7 +87,7 @@ async function runPodUpdate(loader: Ora) {
         '(this may take a few minutes)',
       )}`,
     );
-    await execa('pod', ['repo', 'update']);
+    await execaPod(['repo', 'update']);
   } catch (error) {
     // "pod" command outputs errors to stdout (at least some of them)
     logger.log((error as any).stderr || (error as any).stdout);
@@ -160,7 +161,7 @@ async function installPods(loader?: Ora, options?: PodInstallOptions) {
       // Check if "pod" is available and usable. It happens that there are
       // multiple versions of "pod" command and even though it's there, it exits
       // with a failure
-      await execa('pod', ['--version']);
+      await execaPod(['--version']);
     } catch (e) {
       loader.info();
       await installCocoaPods(loader);

packages/cli-config-apple/src/tools/pods.ts

@@ -14,6 +14,7 @@ import {
 } from '@react-native-community/cli-types';
 import {ApplePlatform} from '../types';
 import runCodegen from './runCodegen';
+import execa from 'execa';
 
 interface ResolvePodsOptions {
   forceInstall?: boolean;
@@ -215,3 +216,33 @@ export default async function resolvePods(
     }
   }
 }
+
+export async function execaPod(args: string[], options?: execa.Options) {
+  let podType: 'system' | 'bundle' = 'system';
+
+  try {
+    // try bundle pod first
+    await execa('bundle', ['exec', 'pod', '--version'], options);
+    podType = 'bundle';
+  } catch (bundlePodError) {
+    // try to install bundle pod
+    try {
+      await execa('bundle', ['install']);
+      await execa('bundle', ['exec', 'pod', '--version'], options);
+      podType = 'bundle';
+    } catch (bundleInstallError) {
+      // fall back to system pod
+      try {
+        await execa('pod', ['--version'], options);
+        podType = 'system';
+      } catch (systemPodError) {
+        throw new Error('cocoapods not installed');
+      }
+    }
+  }
+
+  if (podType === 'bundle') {
+    return execa('bundle', ['exec', 'pod', ...args], options);
+  }
+  return execa('pod', args, options);
+}