Make gtest a submodule in open source

Summary: Remove infra for dynamically downloading gtest as this fails like 50% of the time on travis. I'll manually push gtest as a submodule instead.

Reviewed By: gkassabli

Differential Revision: D4183033

fbshipit-source-id: 09a121b8ede7a5974a29b6692edc63bff79aece7

.gitignore

@@ -4,7 +4,6 @@
 /buck-out/
 /.buckconfig.local
 /.buckd
-/lib/gtest/googletest-*/
 /gentest/test.html
 
 # Visual studio code

.hgignore

@@ -4,8 +4,7 @@
 /buck-out/
 /.buckconfig.local
 /.buckd
-/lib/gtest/googletest-*/
 /gentest/test.html
 
 # Visual studio code
-.vscode
+.vscode

CSSLAYOUT_DEFS

@@ -6,8 +6,6 @@ JUNIT_TARGET = '//lib/junit:junit'
 PROGRUARD_ANNOTATIONS_TARGET = '//java/com/facebook/proguard/annotations:annotations'
 SOLOADER_TARGET = '//lib/soloader:soloader'
 GTEST_TARGET = '//lib/gtest:gtest'
-GTEST_DL_URL = 'https://github.com/google/googletest/archive/release-1.7.0.zip'
-
 JNI_TARGET = '//lib/jni:jni'
 FBJNI_TARGET = '//lib/fb:fbjni'
 

lib/gtest/BUCK

@@ -7,22 +7,6 @@
 
 include_defs('//CSSLAYOUT_DEFS')
 
-with allow_unsafe_import():
-    import os
-    import urllib2
-    import zipfile
-
-# Download gtest dep if it does not exists in path
-current_dir = os.path.dirname(os.path.realpath(__file__))
-gtest_folder = 'googletest-release-1.7.0'
-if GTEST_DL_URL != None and not os.path.isdir(current_dir + gtest_folder):
-    gtest = urllib2.urlopen('https://github.com/google/googletest/archive/release-1.7.0.zip').read()
-    with open("gtest.zip", 'w') as f:
-        f.write(gtest)
-    with zipfile.ZipFile('gtest.zip',"r") as zip:
-        zip.extractall(os.path.dirname(os.path.realpath(__file__)))
-    os.remove('gtest.zip')
-
 COMPILER_FLAGS = [
   '-std=c++11',
   '-Wno-missing-prototypes',
@@ -30,11 +14,11 @@ COMPILER_FLAGS = [
 
 cxx_library(
   name = 'gtest',
-  srcs = glob([gtest_folder + '/src/*.cc']),
+  srcs = glob(['googletest/googletest/src/*.cc']),
   exported_headers = subdir_glob([
-    (gtest_folder + '/include', '**/*.h'),
-    (gtest_folder, 'src/*.h'),
-    (gtest_folder, 'src/*.cc'),
+    ('googletest/googletest/include', '**/*.h'),
+    ('googletest/googletest', 'src/*.h'),
+    ('googletest/googletest', 'src/*.cc'),
   ]),
   header_namespace = '',
   compiler_flags = COMPILER_FLAGS,