Add --repo-update to install_ios_pod (#40)

* add parameter

* Add tests

---------

Co-authored-by: Mateo Arboleda <mateo.arboleda@circleci.com>

Author: ebjorklund01

.circleci/test-deploy.yml

@@ -16,6 +16,7 @@ jobs:
       - flutter/install_sdk_and_pub:
           app-dir: ./sample
       - flutter/install_ios_pod:
+          repo-update: true
           app-dir: ./sample
       - flutter/install_ios_gem:
           app-dir: ./sample
@@ -33,6 +34,7 @@ jobs:
           channel: beta
           version: 3.27.0-0.1.pre
       - flutter/install_ios_pod:
+          repo-update: true
           app-dir: ./sample
       - flutter/install_ios_gem:
           app-dir: ./sample

src/commands/install_ios_pod.yml

@@ -9,13 +9,17 @@ parameters:
     default: v1
     description: Change the default cache version if you need to clear the cache for any reason.
     type: string
+  repo-update:
+    default: false
+    description: Whether to run 'pod install' with the '--repo-update' option.
+    type: boolean
 steps:
   - restore_cache:
       keys:
         - 'pod-<<parameters.cache-version>>-{{ checksum "<< parameters.app-dir >>/ios/Podfile.lock" }}'
   - run:
       name: Install Dependencies
-      command: pod install
+      command: pod install <<#parameters.repo-update>>--repo-update<</parameters.repo-update>>
       working_directory: <<parameters.app-dir>>/ios
   - save_cache:
       paths: