message: [appveyor] Remove submodule --depth
  Did not work as expected and caused an error when cloning
diff: install:
  - ps: >-
  - git submodule update --init --recursive --depth=5
  + git submodule update --init --recursive
  if ($env:BOND_BOOST -eq 56) {
  # Hard-coded Boost path per https://www.appveyor.com/docs/installed-software#languages-libraries-frameworks
  