Add release script

releaseVersion.sh

@@ -0,0 +1,36 @@
+#!/bin/bash
+set -e
+
+if [ "$#" -ne 1 ]; then
+	echo >&2 "Illegal number of parameters"
+	echo >&2 "releaseVersion.sh <version>"
+	exit -1
+fi
+
+if [[ -n $(git status --porcelain) ]]; then
+	echo >&2 "Cannot release version because there are unstaged changes:"
+	git status --short
+	exit -2
+fi
+
+if [[ -n $(git tag --contains $(git rev-parse --verify HEAD)) ]]; then
+	echo >&2 "The latest commit is already contained in the following releases:"
+	git tag --contains $(git rev-parse --verify HEAD)
+	exit -3
+fi
+
+if [[ -n $(git log --branches --not --remotes) ]]; then
+	echo "Pushing commits to git"
+	git push
+fi
+
+echo "Updating CHANGELOG"
+
+github_changelog_generator --future-release "$1" --no-verbose
+
+git add -A
+git commit -m "$1"
+git tag "$1"
+
+git push
+git push --tags