feat: stop release if no gems have been updated

[ci skip]

Author: bethesque

script/release.sh

@@ -3,8 +3,13 @@
 set -e
 
 bundle exec rake package:update
-bundle exec bump ${1:-minor} --no-commit
-bundle exec rake generate_changelog
-git add VERSION CHANGELOG.md
-git commit -m "chore(release): version $(cat VERSION)" && git push origin master
-bundle exec rake tag_for_release
+
+if git log -1 | grep "feat(gems)"; then
+  bundle exec bump ${1:-minor} --no-commit
+  bundle exec rake generate_changelog
+  git add VERSION CHANGELOG.md
+  git commit -m "chore(release): version $(cat VERSION)" && git push origin master
+  bundle exec rake tag_for_release
+else
+  echo "No gems updated, not releasing"
+fi