message: Remove content of root when building examples
  The tmpdir is populated with the various examples builds and
  needs to be clean prior to each run.
diff: @@ -86,6 +86,7 @@ build_example() {
  echo "${bold}Building ${NAME}${normal} (target: ${PLATFORM})"
  local ROOT_DIR="${TMP_DIR}/root"
  + exe rm -rf "${ROOT_DIR}"
  exe mkdir -p "${ROOT_DIR}"
  # Copy manifest and root to tmp
  