if BUILD_GIT_REVISION=$(git rev-parse HEAD 2> /dev/null); then
  if [[ -z "${IGNORE_DIRTY_TREE}" ]] && [[ -n "$(git status --porcelain 2>/dev/null)" ]]; then
    BUILD_GIT_REVISION=${BUILD_GIT_REVISION}"-dirty"
  fi
else
  BUILD_GIT_REVISION=unknown
fi

# Check for local changes
tree_status="Clean"
if [[ -z "${IGNORE_DIRTY_TREE}" ]] && ! git diff-index --quiet HEAD --; then
  tree_status="Modified"
fi