message: #devinfra Use cp rather than mv in rule "flatbuffer_py_strip_prefix_srcs", as the rule fails when executed twice.
diff: @@ -374,7 +374,7 @@ def flatbuffer_py_strip_prefix_srcs(name, srcs = [], strip_prefix = ""):
  name = name + "_" + src.replace(".", "_").replace("/", "_"),
  srcs = [src],
  outs = [src.replace(strip_prefix, "")],
  - cmd = "mv $< $@",
  + cmd = "cp $< $@",
  )
  def _concat_flatbuffer_py_srcs_impl(ctx):
  