feat(cli): add support for 'pod install' in VM based environments

cli/src/ios/common.ts

@@ -1,4 +1,5 @@
 import { readFile, writeFile } from '@ionic/utils-fs';
+import { which } from '@ionic/utils-subprocess';
 import { resolve } from 'path';
 
 import c from '../colors';
@@ -86,13 +87,22 @@ export async function editProjectSettingsIOS(config: Config): Promise<void> {
   await writeFile(pbxPath, pbxContent, { encoding: 'utf-8' });
 }
 
-export function shouldPodInstall(
-  config: Config,
-  platformName: string,
-): boolean {
-  // Don't run pod install or xcodebuild if not on macOS
-  if (config.cli.os !== OS.Mac && platformName === 'ios') {
+export async function canRunPodInstall(): Promise<boolean> {
+  try {
+    await which('pod');
+  } catch (e) {
     return false;
   }
+
+  return true;
+}
+
+export async function canRunXcodebuild(): Promise<boolean> {
+  try {
+    await which('xcodebuild');
+  } catch (e) {
+    return false;
+  }
+
   return true;
 }

cli/src/ios/update.ts

@@ -17,6 +17,7 @@ import {
   needsStaticPod,
 } from '../cordova';
 import type { Config } from '../definitions';
+import { OS } from '../definitions';
 import { fatal } from '../errors';
 import { logger } from '../log';
 import {
@@ -35,7 +36,7 @@ import { resolveNode } from '../util/node';
 import { runCommand } from '../util/subprocess';
 import { extractTemplate } from '../util/template';
 
-import { getIOSPlugins, shouldPodInstall } from './common';
+import { getIOSPlugins, canRunPodInstall, canRunXcodebuild } from './common';
 
 const platform = 'ios';
 
@@ -79,7 +80,14 @@ export async function installCocoaPodsPlugins(
   plugins: Plugin[],
   deployment: boolean,
 ): Promise<void> {
-  if (shouldPodInstall(config, platform)) {
+  const podCommandExists = await canRunPodInstall();
+  if (platform === 'ios' && podCommandExists) {
+    if (config.cli.os !== OS.Mac) {
+      logger.warn(
+        'Running "pod install" on a non-Mac OS may lead to unexpected results',
+      );
+    }
+
     await runTask(
       `Updating iOS native dependencies with ${c.input(
         `${config.ios.podPath} install`,
@@ -89,7 +97,7 @@ export async function installCocoaPodsPlugins(
       },
     );
   } else {
-    logger.warn('Skipping pod install on unsupported OS');
+    logger.warn('Skipping pod install because "pod" is not installed');
   }
 }
 
@@ -118,13 +126,18 @@ async function updatePodfile(
     { cwd: config.ios.nativeProjectDirAbs },
   );
 
-  await runCommand(
-    'xcodebuild',
-    ['-project', basename(`${config.ios.nativeXcodeProjDirAbs}`), 'clean'],
-    {
-      cwd: config.ios.nativeProjectDirAbs,
-    },
-  );
+  const isXcodebuildAvailable = await canRunXcodebuild();
+  if (isXcodebuildAvailable) {
+    await runCommand(
+      'xcodebuild',
+      ['-project', basename(`${config.ios.nativeXcodeProjDirAbs}`), 'clean'],
+      {
+        cwd: config.ios.nativeProjectDirAbs,
+      },
+    );
+  } else {
+    logger.warn('Unable to find "xcodebuild". Skipping xcodebuild step...');
+  }
 }
 
 async function generatePodFile(