devops: roll_driver script (#1605)

scripts/roll_driver.sh

@@ -0,0 +1,27 @@
+#!/bin/bash
+
+set -e
+set +x
+
+trap "cd $(pwd -P)" EXIT
+cd "$(dirname $0)"
+
+if [ "$#" -ne 1 ]; then
+  echo ""
+  echo "Usage: scripts/roll_driver.sh [new version]"
+  echo ""
+  exit 1
+fi
+
+NEW_VERSION=$1
+CURRENT_VERSION=$(head -1 ./DRIVER_VERSION)
+
+if [[ "$CURRENT_VERSION" == "$NEW_VERSION" ]]; then
+  echo "Current version is up to date. Skipping driver download.";
+else
+  echo $NEW_VERSION > ./DRIVER_VERSION
+  ./download_driver.sh
+fi;
+
+./generate_api.sh
+./update_readme.sh