my tiny release script

release.sh

#!/usr/bin/env bash

if [ -z "$1" ]; then echo "usage release.sh [<newversion> | major | minor | patch | premajor | preminor | prepatch | prerelease [--preid=<prerelease-id>] | from-git]"; exit 1; else echo "npm version is set to ${1}"; fi

set -e
set -x

echo "--status"
git status
echo "--checkout develop"
git checkout develop
echo "--pull origin develop"
git pull origin develop
echo "--npm version ${1}"
VERSION=$(npm version $1)
echo "--checkout master"
git checkout master
echo "--merge --no-ff develop"
git merge --no-ff develop -m "Release $VERSION"
echo "--push origin master"
git push origin master
echo "--push origin master"
git checkout develop
echo "--push origin master"
git push origin develop --follow-tags