message: selecting the right client branch
diff: @@ -8,6 +8,16 @@ NCTL_CLIENT_BRANCH="${DRONE_BRANCH:='dev'}"
  pushd "$ROOT_DIR"
  source $(pwd)/utils/nctl/activate
  +# TODO: Remove this after feat-fast-sync merges to dev
  +#
  +# Hack for picking between dev and feat-fast-sync branch for client
  +# ... casper-mainnet feature flag is removed in feat-fast-sync
  +if ( cat "$NCTL"/sh/assets/compile_client.sh | grep -q casper-mainnet ); then
  + NCTL_CLIENT_BRANCH='dev'
  +else
  + NCTL_CLIENT_BRANCH='feat-fast-sync'
  +fi
  +
  # Clone the client and launcher repos if required.
  if [ ! -d "$NCTL_CASPER_CLIENT_HOME" ]; then
  echo "Checking out $NCTL_CLIENT_BRANCH of casper-client-rs..."
  