oh yeah, now I remember why I was using CircleCI workflows

.circleci/config.yml

@@ -24,7 +24,7 @@ jobs:
           paths:
             - ~/.gradle
           key: v1-dependencies-{{ checksum "build.gradle" }}
-      - run: ./gradle/circle.sh
+      - run: ./gradlew build
       - run:
           name: Archive test results
           command: |
@@ -35,3 +35,72 @@ jobs:
           path: ~/junit
       - store_artifacts:
           path: ~/junit
+
+  candidate:
+    <<: *defaults
+    steps:
+      - checkout
+      - restore_cache:
+          keys:
+          - v1-dependencies-{{ checksum "build.gradle" }}
+          - v1-dependencies-
+      - run: ./gradlew dependencies
+      - save_cache:
+          paths:
+            - ~/.gradle
+          key: v1-dependencies-{{ checksum "build.gradle" }}
+      - run: ./gradlew -Prelease.useLastTag=true build candidate
+      - run:
+          name: Archive test results
+          command: |
+            mkdir -p ~/junit/
+            find . -type f -regex ".*/build/test-results/.*xml" -exec cp {} ~/junit/ \;
+          when: always
+      - store_test_results:
+          path: ~/junit
+      - store_artifacts:
+          path: ~/junit
+
+  release:
+    <<: *defaults
+    steps:
+      - checkout
+      - restore_cache:
+          keys:
+          - v1-dependencies-{{ checksum "build.gradle" }}
+          - v1-dependencies-
+      - run: ./gradlew dependencies
+      - save_cache:
+          paths:
+            - ~/.gradle
+          key: v1-dependencies-{{ checksum "build.gradle" }}
+      - run: ./gradlew -Prelease.useLastTag=true build final
+      - run:
+          name: Archive test results
+          command: |
+            mkdir -p ~/junit/
+            find . -type f -regex ".*/build/test-results/.*xml" -exec cp {} ~/junit/ \;
+          when: always
+      - store_test_results:
+          path: ~/junit
+      - store_artifacts:
+          path: ~/junit
+
+workflows:
+  version: 2
+  build-commit:
+    jobs:
+      - build:
+          filters:
+            branches:
+              ignore: gh-pages
+            tags:
+              ignore: /.*/
+  release-from-tag:
+    jobs:
+      - release:
+          filters:
+            branches:
+              ignore: /.*/
+            tags:
+              only: /^v.*/