LAST_COMMIT_DATE=$(
  curl -fsSL https://api.github.com/repos/raspberrypi/rpi-eeprom/commits/master \
  | jq -r '.commit.committer.date'
)
LAST_COMMIT_DATE=${LAST_COMMIT_DATE%%T*}
LAST_COMMIT_DATE=${LAST_COMMIT_DATE//-/.}
echo "Last commit to master branch of RPi 1st stage (EEPROM-based) Boot Loader: ${LAST_COMMIT_DATE}"