Fix Firestore external file.

Author: jonsimantov

cmake/external/firestore.cmake

@@ -13,7 +13,6 @@
 # limitations under the License.
 
 include(ExternalProject)
-include(FindPythonInterp)
 
 if(TARGET firestore)
   return()
@@ -28,10 +27,8 @@ function(GetReleasedDep)
   ExternalProject_Add(
     firestore
 
-  DOWNLOAD_DIR ${FIREBASE_DOWNLOAD_DIR}
-  GIT_REPOSITORY https://github.com/firebase/firebase-ios-sdk
-  GIT_TAG 70aa8b82a2ed36dd14448174bea0fd7e575d4d49
-  GIT_SHALLOW ON
+    DOWNLOAD_DIR ${FIREBASE_DOWNLOAD_DIR}
+    URL https://github.com/firebase/firebase-ios-sdk/archive/${version}.tar.gz
 
     PREFIX ${PROJECT_BINARY_DIR}
 
@@ -76,10 +73,3 @@ else()
   endif()
 endif()
 
-  CONFIGURE_COMMAND ""
-  BUILD_COMMAND ""
-  INSTALL_COMMAND ""
-  TEST_COMMAND ""
-  PATCH_COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_LIST_DIR}/firestore_patch.py --leveldb-version-from ${CMAKE_CURRENT_LIST_DIR}/leveldb.cmake
-  HTTP_HEADER "${EXTERNAL_PROJECT_HTTP_HEADER}"
-)