title: Compiling Chromium hangs on sync projects, throws "git -c","Unknown option:-c" error
body: <p>The full error trace:</p>
  
  <pre><code>1&gt;At revision 212822.
  1&gt;Syncing projects:   0% ( 0/ 3) 
  19&gt;________ running 'git -c core.deltaBaseCacheLimit=2g clone --no-checkout --progress --template=/home/hellmagic/depot_tools/git-templates https://chromium.googlesource.com/external/angle.git /home/hellmagic/chromium/src/third_party/_gclient_angle_dx11_7W8bH8' in '/home/hellmagic/chromium'
  19&gt;Unknown option: -c
  19&gt;usage: git [--version] [--exec-path[=GIT_EXEC_PATH]] [--html-path]
  19&gt;           [-p|--paginate|--no-pager] [--no-replace-objects]
  19&gt;           [--bare] [--git-dir=GIT_DIR] [--work-tree=GIT_WORK_TREE]
  19&gt;           [--help] COMMAND [ARGS]
  17&gt;_____ src/third_party/accessibility-developer-tools at ad5df9a5341d38778658c90e4aa241c4ebe4e8aa
  18&gt;_____ src/third_party/android_tools at e9da75d5e88d3e122ac60ee1d642cdcc1acb2bd8
  Error: Command git -c core.deltaBaseCacheLimit=2g clone --no-checkout --progress --template=/home/hellmagic/depot_tools/git-templates https://chromium.googlesource.com/external/angle.git /home/hellmagic/chromium/src/third_party/_gclient_angle_dx11_7W8bH8 returned non-zero exit status 129 in /home/hellmagic/chromium
  </code></pre>
  
  <p>I really can't understand where the error in "git -c" comes from. I have found all the files I think maybe cause the error, but there's no useful information. If someone knows about this, please give me a hand. Thanks!</p>