Start pod lib lint CI for IAM (#2347)

Author: paulb777

.travis.yml

@@ -68,6 +68,7 @@ jobs:
         - travis_retry ./scripts/if_changed.sh ./scripts/pod_lib_lint.sh FirebaseMessaging.podspec
         - travis_retry ./scripts/if_changed.sh ./scripts/pod_lib_lint.sh FirebaseStorage.podspec
         - travis_retry ./scripts/if_changed.sh ./scripts/pod_lib_lint.sh FirebaseFunctions.podspec
+        - travis_retry ./scripts/if_changed.sh ./scripts/pod_lib_lint.sh FirebaseInAppMessaging.podspec
         - travis_retry ./scripts/if_changed.sh ./scripts/pod_lib_lint.sh FirebaseInAppMessagingDisplay.podspec
 
     - stage: test
@@ -98,6 +99,7 @@ jobs:
         - travis_retry ./scripts/if_cron.sh ./scripts/pod_lib_lint.sh FirebaseMessaging.podspec --use-libraries --allow-warnings
         - travis_retry ./scripts/if_cron.sh ./scripts/pod_lib_lint.sh FirebaseStorage.podspec --use-libraries
         - travis_retry ./scripts/if_cron.sh ./scripts/pod_lib_lint.sh FirebaseFunctions.podspec --use-libraries
+        - travis_retry ./scripts/if_cron.sh ./scripts/pod_lib_lint.sh FirebaseInAppMessaging.podspec --use-libraries
         - travis_retry ./scripts/if_cron.sh ./scripts/pod_lib_lint.sh FirebaseInAppMessagingDisplay.podspec --use-libraries
 
     - stage: test
@@ -186,6 +188,7 @@ jobs:
         - travis_retry ./scripts/if_changed.sh ./scripts/pod_lib_lint.sh FirebaseMessaging.podspec
         - travis_retry ./scripts/if_changed.sh ./scripts/pod_lib_lint.sh FirebaseStorage.podspec
         - travis_retry ./scripts/if_changed.sh ./scripts/pod_lib_lint.sh FirebaseFunctions.podspec
+        - travis_retry ./scripts/if_changed.sh ./scripts/pod_lib_lint.sh FirebaseInAppMessaging.podspec
         - travis_retry ./scripts/if_changed.sh ./scripts/pod_lib_lint.sh FirebaseInAppMessagingDisplay.podspec
 
     - stage: test

scripts/pod_lib_lint.sh

@@ -37,7 +37,7 @@ fi
 # or Core APIs change. GoogleUtilities.podspec and FirebaseCore.podspec should be
 # manually pushed to a temporary Specs repo. See
 # https://guides.cocoapods.org/making/private-cocoapods.
-#ALT_SOURCES="--sources=https://github.com/Firebase/SpecsStaging.git,https://github.com/CocoaPods/Specs.git"
+ALT_SOURCES="--sources=https://github.com/Firebase/SpecsStaging.git,https://github.com/CocoaPods/Specs.git"
 
 podspec="$1"
 if [[ $# -gt 1 ]]; then