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diff --git "a/D:\\Gleb\\chromiumembedded-cef-f061c231e6a9\\chromiumembedded-cef-f061c231e6a9\\tools\\git_util.py" "b/C:\\Users\\clarityad\\Desktop\\Gleb\\patches\\cef\\tools\\git_util.py"
index b6aa0fa..8f95203 100644
--- "a/D:\\Gleb\\chromiumembedded-cef-f061c231e6a9\\chromiumembedded-cef-f061c231e6a9\\tools\\git_util.py"
+++ "b/C:\\Users\\clarityad\\Desktop\\Gleb\\patches\\cef\\tools\\git_util.py"
@@ -89,10 +89,15 @@ def git_apply_patch_file(patch_path, patch_dir):
     # whitespace errors with git apply.
     patch_string = patch_string.replace('\r\n', '\n')
 
-  # Git apply fails silently if not run relative to a respository root.
-  if not is_checkout(patch_dir):
-    sys.stdout.write('... patch directory is not a repository root.\n')
-    return 'fail'
+  # Do not assume we are always working with a repository
+  if os.environ.get('CEF_GIT_ASSUME_HASH') is None:
+    assert os.environ.get('CEF_GIT_ASSUME_COMMIT_NUMBER') is None
+    # Git apply fails silently if not run relative to a respository root.
+    if not is_checkout(patch_dir):
+      sys.stdout.write('... patch directory is not a repository root.\n')
+      return 'fail'
+  else:
+    assert os.environ.get('CEF_GIT_ASSUME_HASH') is not None
 
   # Output patch contents.
   cmd = '%s apply -p0 --numstat' % git_exe