# See the License for the specific language governing permissions and
# limitations under the License.

# Init script downloads or updates envoy and the go dependencies. Called from Makefile, which sets
# the needed environment variables.

set -o errexit
set -o nounset
set -o pipefail

if [[ "${TARGET_OUT_LINUX:-}" == "" ]]; then

    if [[ $n -lt $max ]]; then
      ((n++))
      log "Command failed. Attempt $n/$max:"
      sleep $delay;
    else
      log "The command has failed after $n attempts."  >&2
      return 2
    fi
  done
}

# load_cluster_topology function reads cluster configuration topology file and
# sets up environment variables used by other functions. So this should be called
# before anything else.
#

GOBINARY=${GOBINARY:-go}
GOPKG="$GOPATH/pkg"
BUILDINFO=${BUILDINFO:-""}
STATIC=${STATIC:-1}
LDFLAGS=${LDFLAGS:--extldflags -static}
GOBUILDFLAGS=${GOBUILDFLAGS:-""}
# Split GOBUILDFLAGS by spaces into an array called GOBUILDFLAGS_ARRAY.
IFS=' ' read -r -a GOBUILDFLAGS_ARRAY <<< "$GOBUILDFLAGS"

GCFLAGS=${GCFLAGS:-}
export CGO_ENABLED=${CGO_ENABLED:-0}

if [[ "${STATIC}" !=  "1" ]];then
    LDFLAGS=""
fi