# limitations under the License.

set -e

# https://stackoverflow.com/questions/59895/how-can-i-get-the-source-directory-of-a-bash-script-from-within-the-script-itsel
# Note: the normal way we use in other scripts in Istio do not work when `source`d, which is why we use this approach
SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
REPO_ROOT="$(dirname "$(dirname "${SCRIPT_DIR}")")"

LOCAL_ARCH=$(uname -m)

DEFAULT_KIND_IMAGE="gcr.io/istio-testing/kind-node:v1.28.4"

# COMMON_SCRIPTS contains the directory this file is in.
COMMON_SCRIPTS=$(dirname "${BASH_SOURCE:-$0}")

function log() {
  echo -e "$(date -u '+%Y-%m-%dT%H:%M:%S.%NZ')\t$*"
}

function retry() {
  local n=1
  local max=5
  local delay=5
  while true; do
    "$@" && break

  fail "Unable to retrieve the commit SHA of istio/api from go.mod file. Not updating the CRD file. Please make sure istio/api exists in the Go module.";
fi

git clone  "https://${REPO}" "${API_TMP}" && cd "${API_TMP}"
git checkout "${SHA}"
if [ ! -f "${API_TMP}/kubernetes/customresourcedefinitions.gen.yaml" ]; then
  echo "Generated Custom Resource Definitions file does not exist in the commit SHA ${SHA}. Not updating the CRD file."
  exit
fi