Added upgrade script

upgrade.sh

+#!/bin/bash
+
+APP_DIR="/usr/local/bin"
+TMP_DL=/tmp/cockroachdb.tgz
+TMP=/tmp
+
+set -e
+
+function usage {
+ # Not used but kept for doco
+ printf "Cockroachdb Installer\nUsage: $1 [user]\n"
+}
+function getBin {
+ wget -O $TMP_DL https://binaries.cockroachdb.com/cockroach-latest.linux-amd64.tgz
+}
+function extractRoach {
+ mkdir -p "$APP_DIR" || exit 1
+ tar -xzf $TMP_DL -C $TMP || exit 1
+}
+function setInstallDirs {
+ mv $TMP/cockroach-latest*/cockroach $APP_DIR/cockroach || exit 1
+ rm -rf $TMP/cockroach-latest*
+}
+
+service cockroach stop
+
+echo "Upgrading..."
+getBin
+extractRoach
+setInstallDirs
+
+