Add release script

scripts/release.sh

@@ -0,0 +1,26 @@
+#!/usr/bin/env bash
+# This script updates the version for the ldclient-node SDK
+
+# It takes exactly one argument: the new version.
+# It should be run from the root of this git repo like this:
+#   ./scripts/release.sh 4.0.9
+
+# When done you should commit and push the changes made.
+
+set -uxe
+echo "Starting node-client release."
+
+VERSION=$1
+npm --version
+
+# Update version in package.json
+# We're intentionally not running 'npm version' because it does a git commit, which interferes
+# with other parts of this automated release process.
+
+# Update version in setup.py
+PACKAGE_JSON_TEMP=./package.json.tmp
+sed "s/\"version\".*/\"version\": \"${VERSION}\",/g" package.json > ${PACKAGE_JSON_TEMP}
+mv ${PACKAGE_JSON_TEMP} package.json
+npm publish
+
+echo "Done with node-client release"