Add support for using Swift Package Manager on iOS (#1379)

a-maurice · web-flow · commit e41c51d2ee9e · 2026-01-21T14:13:27.000-08:00
* Add support for using Swift Packages * Update integration_tests.yml * Revert "Update integration_tests.yml" This reverts commit c67664f. * Update crashlytics script * Update iOSPostBuild.cs * Update iOSPostBuild.cs * Update iOSPostBuild.cs * Update iOSPostBuild.cs * Update google_unity_jar_resolver.cmake
diff --git a/analytics/CMakeLists.txt b/analytics/CMakeLists.txt
@@ -122,6 +122,8 @@ unity_pack_cs(firebase_analytics_cs)
 
 if (FIREBASE_INCLUDE_UNITY)
   generate_dependencies_xml(Analytics
+    FIREBASE_SPM_DEPS
+      "FirebaseAnalytics|Firebase/Analytics"
     IOS_DEPS
       "Firebase/Analytics"
     ANDROID_DEPS
diff --git a/app/CMakeLists.txt b/app/CMakeLists.txt
@@ -122,6 +122,8 @@ unity_pack_cs(firebase_app_cs)
 
 if (FIREBASE_INCLUDE_UNITY)
   generate_dependencies_xml(App
+    FIREBASE_SPM_DEPS
+      "FirebaseCore|Firebase/Core"
     IOS_DEPS
       "Firebase/Core"
     ANDROID_DEPS
diff --git a/app_check/CMakeLists.txt b/app_check/CMakeLists.txt
@@ -99,6 +99,8 @@ unity_pack_cs(firebase_app_check_cs)
 
 if (FIREBASE_INCLUDE_UNITY)
   generate_dependencies_xml(AppCheck
+    FIREBASE_SPM_DEPS
+      "FirebaseAppCheck|Firebase/AppCheck"
     IOS_DEPS
       "Firebase/AppCheck"
     ANDROID_DEPS
diff --git a/auth/CMakeLists.txt b/auth/CMakeLists.txt
@@ -90,6 +90,8 @@ unity_pack_cs(firebase_auth_cs)
 
 if (FIREBASE_INCLUDE_UNITY)
   generate_dependencies_xml(Auth
+    FIREBASE_SPM_DEPS
+      "FirebaseAuth|Firebase/Auth"
     IOS_DEPS
       "Firebase/Auth"
     ANDROID_DEPS
diff --git a/cmake/ExpectedTestDependencies.xml b/cmake/ExpectedTestDependencies.xml
@@ -4,6 +4,10 @@ FirebaseTest iOS and Android Dependencies.
 -->
 
 <dependencies>
+  <remoteSwiftPackage url="https://github.com/firebase/firebase-ios-sdk.git" version="1.2.3">
+    <swiftPackage name="TestPackage" replacesPod="TestPod,PinnedTestPod"/>
+    <swiftPackage name="OtherPackage"/>
+  </remoteSwiftPackage>
   <iosPods>
     <iosPod name="TestPod" version="1.2.3" minTargetSdk="7.8">
     </iosPod>
diff --git a/cmake/dependencies.template b/cmake/dependencies.template
@@ -4,6 +4,8 @@ Firebase@MODULE_NAME@ iOS and Android Dependencies.
 -->
 
 <dependencies>
+  <remoteSwiftPackage url="https://github.com/firebase/firebase-ios-sdk.git" version="@FIREBASE_SPM_VERSION@">@FIREBASE_SPM_PACKAGES@
+  </remoteSwiftPackage>
   <iosPods>@IOS_PODS@
   </iosPods>
   <androidPackages>@ANDROID_PACKAGES@
diff --git a/cmake/external/CMakeLists.txt b/cmake/external/CMakeLists.txt
@@ -17,7 +17,7 @@
 # setting up ExternalProjects for each dependency, and then building this
 # project, which is done via external_rules.cmake, one directory above.
 
-cmake_minimum_required(VERSION 3.1)
+cmake_minimum_required(VERSION 3.13.4)
 project(firebase_unity_download C CXX)
 
 list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_LIST_DIR})
diff --git a/cmake/firebase_unity_version.cmake b/cmake/firebase_unity_version.cmake
@@ -20,6 +20,9 @@ set(FIREBASE_UNITY_SDK_VERSION "13.6.0"
 set(FIREBASE_IOS_POD_VERSION "12.6.0"
     CACHE STRING "The version of the top-level Firebase Cocoapod to use.")
 
+set(FIREBASE_SPM_VERSION "12.2.0"
+    CACHE STRING "The version of the top-level Firebase Swift Package to use.")
+
 # https://github.com/googlesamples/unity-jar-resolver
 set(FIREBASE_UNITY_JAR_RESOLVER_VERSION "1.2.186"
    CACHE STRING
diff --git a/cmake/play_services_resolver_deps.cmake b/cmake/play_services_resolver_deps.cmake
@@ -46,14 +46,33 @@ function(generate_dependencies_xml module)
 
   set(options SKIP_INSTALL)
   set(single ANDROID_SPEC)
-  set(multi IOS_DEPS ANDROID_DEPS)
+  set(multi IOS_DEPS ANDROID_DEPS FIREBASE_SPM_DEPS)
   # Parse the arguments into GEN_DEPS_IOS_DEPS, etc.
   cmake_parse_arguments(GEN_DEPS "${options}" "${single}" "${multi}" ${ARGN})
 
   set(MODULE_NAME ${module})
   set(IOS_PODS "")
   set(INDENT "    ")
 
+  set(FIREBASE_SPM_PACKAGES "")
+  if (GEN_DEPS_FIREBASE_SPM_DEPS)
+    foreach(SPM_DEP ${GEN_DEPS_FIREBASE_SPM_DEPS})
+      string(REPLACE "|" ";" DEP_LIST ${SPM_DEP})
+      list(GET DEP_LIST 0 PACKAGE_NAME)
+      string(CONCAT FIREBASE_SPM_PACKAGES ${FIREBASE_SPM_PACKAGES}
+          "\r\n${INDENT}<swiftPackage name=\"${PACKAGE_NAME}\"")
+
+      list(LENGTH DEP_LIST SPM_DEP_LENGTH)
+      if (${SPM_DEP_LENGTH} GREATER 1)
+        list(GET DEP_LIST 1 PACKAGE_POD_IGNORE)
+        string(CONCAT FIREBASE_SPM_PACKAGES ${FIREBASE_SPM_PACKAGES} " replacesPod=\"${PACKAGE_POD_IGNORE}\"") 
+      endif()
+
+      string(CONCAT FIREBASE_SPM_PACKAGES ${FIREBASE_SPM_PACKAGES} "/>")
+
+    endforeach(SPM_DEP)
+  endif()
+
   foreach(IOS_DEP ${GEN_DEPS_IOS_DEPS})
     string(REPLACE "," ";" DEP_LIST ${IOS_DEP})
     list(GET DEP_LIST 0 DEP_NAME)
@@ -105,11 +124,15 @@ endfunction()
 # that variables can be adjusted without affecting the build.
 function(test_generate_xml)
 
+  set(FIREBASE_SPM_VERSION "1.2.3")
   set(FIREBASE_IOS_POD_VERSION "1.2.3")
   set(FIREBASE_UNITY_SDK_VERSION "4.5.6")
   set(DEFAULT_MIN_TARGET_SDK "7.8")
 
   generate_dependencies_xml(Test
+    FIREBASE_SPM_DEPS
+      "TestPackage|TestPod,PinnedTestPod"
+      "OtherPackage"
     IOS_DEPS
       "TestPod"
       "PinnedTestPod,7.8.9,1.0"
diff --git a/crashlytics/CMakeLists.txt b/crashlytics/CMakeLists.txt
@@ -121,6 +121,8 @@ unity_pack_cs(firebase_crashlytics_cs)
 
 if (FIREBASE_INCLUDE_UNITY)
   generate_dependencies_xml(Crashlytics
+    FIREBASE_SPM_DEPS
+      "FirebaseCrashlytics|Firebase/Crashlytics"
     IOS_DEPS
       "Firebase/Crashlytics"
     ANDROID_DEPS
diff --git a/database/CMakeLists.txt b/database/CMakeLists.txt
@@ -93,6 +93,8 @@ unity_pack_cs(firebase_database_cs)
 
 if (FIREBASE_INCLUDE_UNITY)
   generate_dependencies_xml(Database
+    FIREBASE_SPM_DEPS
+      "FirebaseDatabase|Firebase/Database"
     IOS_DEPS
       "Firebase/Database"
     ANDROID_DEPS
diff --git a/editor/crashlytics/src/iOSPostBuild.cs b/editor/crashlytics/src/iOSPostBuild.cs
@@ -47,11 +47,52 @@ public class iOSPostBuild {
 
     // In Unity 2019.3 - PODS_ROOT is no longer an environment variable that is exposed.
     //                   Use ${PROJECT_DIR}/Pods.
-    private const string RunScriptBody = "chmod u+x \"${PROJECT_DIR}/Pods/FirebaseCrashlytics/run\"\n" +
-        "chmod u+x \"${PROJECT_DIR}/Pods/FirebaseCrashlytics/upload-symbols\"\n" +
-        "\"${PROJECT_DIR}/Pods/FirebaseCrashlytics/run\"";
-
-    private const string GooglePlistPath = "${PROJECT_DIR}/GoogleService-Info.plist";
+    private const string RunScriptBody = @"
+# Define Pods path
+COCOAPODS_RUN_PATH=""${PROJECT_DIR}/Pods/FirebaseCrashlytics/run""
+
+# Define SPM path.
+SPM_RUN_PATH=""${BUILD_DIR%/Build/*}/SourcePackages/checkouts/firebase-ios-sdk/Crashlytics/run""
+
+# Fall back to checking where the script is running from.
+SCRIPT_DIR_PATH=$(dirname ""$0"")
+SCRIPT_RUN_PATH=""${SCRIPT_DIR_PATH%Build/*}/SourcePackages/checkouts/firebase-ios-sdk/Crashlytics/run""
+
+if [ -f ""$COCOAPODS_RUN_PATH"" ]; then
+  # --- Pods path found ---
+  echo ""Running Firebase Crashlytics (Cocoapods)""
+  chmod u+x ""$COCOAPODS_RUN_PATH""
+  chmod u+x ""${PROJECT_DIR}/Pods/FirebaseCrashlytics/upload-symbols""
+  ""$COCOAPODS_RUN_PATH"" -gsp ""${PROJECT_DIR}/GoogleService-Info.plist""
+
+elif [ -f ""$SPM_RUN_PATH"" ]; then
+  # --- SPM path found ---
+  echo ""Running Firebase Crashlytics (SPM at ${BUILD_DIR%/Build/*})""
+  chmod u+x ""$SPM_RUN_PATH""
+  ""$SPM_RUN_PATH"" -gsp ""${PROJECT_DIR}/GoogleService-Info.plist""
+
+elif [ -f ""$SCRIPT_RUN_PATH"" ]; then
+  # --- SPM path found via Script location ---
+  echo ""Running Firebase Crashlytics (SPM via ${SCRIPT_DIR_PATH})""
+  chmod u+x ""$SCRIPT_RUN_PATH""
+  ""$SCRIPT_RUN_PATH"" -gsp ""${PROJECT_DIR}/GoogleService-Info.plist""
+
+else
+  # --- Neither path was found ---
+  echo ""error: Could not find FirebaseCrashlytics 'run' script."" >&2
+  echo ""Checked for Cocoapods path: $COCOAPODS_RUN_PATH"" >&2
+  echo ""Checked for SPM path: $SPM_RUN_PATH"" >&2
+  echo ""Checked for SPM fallback path: $SCRIPT_RUN_PATH"" >&2
+  
+  echo ""--- Debug Xcode Variables ---"" >&2
+  echo ""BUILD_DIR: $BUILD_DIR"" >&2
+  echo ""PROJECT_DIR: $PROJECT_DIR"" >&2
+  echo ""SRCROOT: $SRCROOT"" >&2
+  echo ""-----------------------------"" >&2
+  
+  exit 1
+fi
+";
 
     private const string RunScriptName = "Crashlytics Run Script";
 
@@ -221,9 +262,7 @@ private static string GetMainUnityProjectTargetGuid(object projectObj, BuildTarg
     /// </summary>
     /// <returns>Body of the iOS post build run script</returns>
     public static string GetRunScriptBody(IFirebaseConfigurationStorage configurationStorage) {
-      string completeRunScriptBody = RunScriptBody;
-      completeRunScriptBody = String.Format("{0} -gsp \"{1}\"", RunScriptBody, GooglePlistPath);
-      return completeRunScriptBody;
+      return RunScriptBody;
     }
 
     private static void AddCrashlyticsDevelopmentPlatformToPlist(string plistPath) {
diff --git a/firestore/CMakeLists.txt b/firestore/CMakeLists.txt
@@ -191,8 +191,10 @@ unity_pack_cs(firebase_firestore_cs)
 
 if (FIREBASE_INCLUDE_UNITY)
   generate_dependencies_xml(Firestore
+    FIREBASE_SPM_DEPS
+      "FirebaseFirestore|Firebase/Firestore"
     IOS_DEPS
-      "FirebaseFirestore"
+      "Firebase/Firestore"
     ANDROID_DEPS
       ${FIREBASE_FIRESTORE_ANDROID_DEPS}
     ANDROID_SPEC
diff --git a/functions/CMakeLists.txt b/functions/CMakeLists.txt
@@ -79,6 +79,8 @@ unity_pack_cs(firebase_functions_cs)
 
 if (FIREBASE_INCLUDE_UNITY)
   generate_dependencies_xml(Functions
+    FIREBASE_SPM_DEPS
+      "FirebaseFunctions|Firebase/Functions"
     IOS_DEPS
       "Firebase/Functions"
     ANDROID_DEPS
diff --git a/installations/CMakeLists.txt b/installations/CMakeLists.txt
@@ -86,6 +86,8 @@ unity_pack_cs(firebase_installations_cs)
 
 if (FIREBASE_INCLUDE_UNITY)
   generate_dependencies_xml(Installations
+    FIREBASE_SPM_DEPS
+      "FirebaseInstallations|FirebaseInstallations"
     IOS_DEPS
       "FirebaseInstallations,${FIREBASE_INSTALLATIONS_POD_VERSION}"
     ANDROID_DEPS
diff --git a/messaging/CMakeLists.txt b/messaging/CMakeLists.txt
@@ -82,6 +82,8 @@ unity_pack_cs(firebase_messaging_cs)
 
 if (FIREBASE_INCLUDE_UNITY)
   generate_dependencies_xml(Messaging
+    FIREBASE_SPM_DEPS
+      "FirebaseMessaging|Firebase/Messaging"
     IOS_DEPS
       "Firebase/Messaging"
     ANDROID_DEPS
diff --git a/remote_config/CMakeLists.txt b/remote_config/CMakeLists.txt
@@ -81,6 +81,8 @@ unity_pack_cs(firebase_remote_config_cs)
 
 if (FIREBASE_INCLUDE_UNITY)
   generate_dependencies_xml(RemoteConfig
+    FIREBASE_SPM_DEPS
+      "FirebaseRemoteConfig|Firebase/RemoteConfig"
     IOS_DEPS
       "Firebase/RemoteConfig"
     ANDROID_DEPS
diff --git a/storage/CMakeLists.txt b/storage/CMakeLists.txt
@@ -92,6 +92,8 @@ unity_pack_cs(firebase_storage_cs)
 
 if (FIREBASE_INCLUDE_UNITY)
   generate_dependencies_xml(Storage
+    FIREBASE_SPM_DEPS
+      "FirebaseStorage|Firebase/Storage"
     IOS_DEPS
       "Firebase/Storage"
     ANDROID_DEPS
