Build changes

3rd_party/CEF/create_common.cmd

@@ -4,20 +4,28 @@ pushd "%ROOT%"
 
 set PATH=%ROOT%..\..\bin;%PATH%
 
-mkdir automate
-mkdir chromium_git
-mkdir depot_tools
+mkdir automate >NUL 2>&1
+mkdir chromium_git >NUL 2>&1
+mkdir depot_tools >NUL 2>&1
 
-wget --no-check-certificate https://bitbucket.org/chromiumembedded/cef/raw/master/tools/automate/automate-git.py || goto :ERROR
-move /y automate-git.py automate\ || goto :ERROR
-del /q depot_tools.zip > NUL
-wget --no-check-certificate https://storage.googleapis.com/chrome-infra/depot_tools.zip || goto :ERROR
-unzip -o -q -d depot_tools\ depot_tools.zip || goto :ERROR
-del /q depot_tools.zip || goto :ERROR
-pushd depot_tools
-  call update_depot_tools.bat
-popd
+if not exist "automate\automate-git.py" (
+  del /q automate-git.py > NUL
+  wget --no-check-certificate https://bitbucket.org/chromiumembedded/cef/raw/master/tools/automate/automate-git.py || goto :ERROR
+  move /y automate-git.py automate\ || goto :ERROR
+)
 
+if not exist "depot_tools.complete" (
+  del /q depot_tools.zip > NUL
+  wget --no-check-certificate https://storage.googleapis.com/chrome-infra/depot_tools.zip || goto :ERROR
+  unzip -o -q -d depot_tools\ depot_tools.zip || goto :ERROR
+  del /q depot_tools.zip > NUL
+
+  pushd depot_tools
+    call update_depot_tools.bat
+  popd
+  
+  echo "1">depot_tools.complete
+)
 goto :END
 
 :ERROR