Fixes for GHA from a forked repo (#5524)

Author: paulb777

.github/workflows/firestore.yml

@@ -155,6 +155,9 @@ jobs:
             --allow-warnings
 
   quickstart:
+    env:
+      plist_secret: ${{ secrets.GHASecretsGPGPassphrase1 }}
+      signin_secret: ${{ secrets.GHASecretsGPGPassphrase1 }}
     runs-on: macOS-latest
     needs: check
 
@@ -163,14 +166,11 @@ jobs:
     - name: Setup quickstart
       run: scripts/setup_quickstart.sh firestore
     - name: Install Secret GoogleService-Info.plist
-      env:
-         plist_secret: ${{ secrets.GHASecretsGPGPassphrase1 }}
       run: scripts/decrypt_gha_secret.sh scripts/gha-encrypted/qs-firestore.plist.gpg \
           quickstart-ios/firestore/GoogleService-Info.plist "$plist_secret"
     - name: Install Secret FIREGSignInInfo.h
-      env:
-         signin_secret: ${{ secrets.GHASecretsGPGPassphrase1 }}
       run: scripts/decrypt_gha_secret.sh scripts/gha-encrypted/FIREGSignInInfo.h.gpg \
           quickstart-ios/TestUtils/FIREGSignInInfo.h "$signin_secret"
     - name: Test quickstart
-      run: scripts/third_party/travis/retry.sh scripts/test_quickstart.sh Firestore
+      run: ([ -z $plist_secret ] ||
+            scripts/third_party/travis/retry.sh scripts/test_quickstart.sh Firestore)

.github/workflows/messaging.yml

@@ -57,23 +57,23 @@ jobs:
       run: scripts/test_catalyst.sh FirebaseMessaging build
 
   quickstart:
+    env:
+      plist_secret: ${{ secrets.GHASecretsGPGPassphrase1 }}
+      signin_secret: ${{ secrets.GHASecretsGPGPassphrase1 }}
     runs-on: macOS-latest
     steps:
     - uses: actions/checkout@v2
     - name: Setup quickstart
       run: scripts/setup_quickstart.sh messaging
     - name: Install Secret GoogleService-Info.plist
-      env:
-         plist_secret: ${{ secrets.GHASecretsGPGPassphrase1 }}
       run: scripts/decrypt_gha_secret.sh scripts/gha-encrypted/qs-messaging.plist.gpg \
           quickstart-ios/messaging/GoogleService-Info.plist "$plist_secret"
     - name: Install Secret FIREGSignInInfo.h
-      env:
-         signin_secret: ${{ secrets.GHASecretsGPGPassphrase1 }}
       run: scripts/decrypt_gha_secret.sh scripts/gha-encrypted/FIREGSignInInfo.h.gpg \
           quickstart-ios/TestUtils/FIREGSignInInfo.h "$signin_secret"
     - name: Test quickstart
-      run: scripts/third_party/travis/retry.sh scripts/test_quickstart.sh Messaging
+      run: ([ -z $plist_secret ] ||
+            scripts/third_party/travis/retry.sh scripts/test_quickstart.sh Messaging)
 
   pod-lib-lint-watchos:
     runs-on: macOS-latest
@@ -136,4 +136,4 @@ jobs:
     - name: Prereqs
       run: scripts/install_prereqs.sh MessagingSample iOS
     - name: Build
-      run: scripts/build.sh MessagingSample iOS
+      run: ([ -z $plist_secret ] || scripts/build.sh MessagingSample iOS)