#!/bin/bash

usage() {
  echo "usage: generate <path/to/mavlink>"
  exit 1
}

if [ -z "${1}" ]; then
  echo "argument expected"
  usage
fi

if [ ! -d "${1}/message_definitions" ]; then
  echo "${1}/message_definitions not found"
  usage
fi

outdir=`pwd`/c_library

pushd ${1}

python -m pymavlink.tools.mavgen --lang C -o ${outdir} \
    message_definitions/v1.0/ardupilotmega.xml

if which git; then
  git log --oneline > ${outdir}/.generate
else
  echo "git not found" > ${outdir}/.generate
fi

popd