Revert "Switch to GH actions."

This reverts commit 04ef589ad2.

.circleci/config.yml

@@ -0,0 +1,39 @@
+version: 2
+jobs:
+  build:
+    docker:
+      - image: springcloud/pipeline-base
+        user: appuser
+    environment:
+      _JAVA_OPTIONS: "-Xms1024m -Xmx2048m"
+      TERM: dumb
+    branches:
+      ignore:
+        - gh-pages # list of branches to ignore
+    steps:
+      - checkout
+      - restore_cache:
+          key: sc-commons-{{ .Branch }}
+      - run:
+          name: "Download dependencies"
+          command: ./mvnw -s .settings.xml -U --fail-never dependency:go-offline || true
+      - save_cache:
+          key: sc-commons-{{ .Branch }}
+          paths:
+            - ~/.m2
+      - run:
+          name: "Running build"
+          command: ./mvnw -s .settings.xml clean org.jacoco:jacoco-maven-plugin:prepare-agent install -U -P sonar -nsu --batch-mode -Dmaven.test.redirectTestOutputToFile=true -Dorg.slf4j.simpleLogger.log.org.apache.maven.cli.transfer.Slf4jMavenTransferListener=warn
+      - run:
+          name: "Aggregate test results"
+          when: always
+          command: |
+            mkdir -p ~/junit/
+            find . -type f -regex ".*/target/.*-reports/.*" -exec cp {} ~/junit/ \;
+            bash <(curl -s https://codecov.io/bash)
+      - store_artifacts:
+          path: ~/junit/
+          destination: artifacts
+      - store_test_results:
+          path: ~/junit/
+          destination: testartifacts

.github/workflows/maven.yml

@@ -1,35 +0,0 @@
-# This workflow will build a Java project with Maven
-# For more information see: https://help.github.com/actions/language-and-framework-guides/building-and-testing-java-with-maven
-
-name: Build
-
-on:
-  push:
-    branches: [ 2.2.x ]
-  pull_request:
-    branches: [ 2.2.x ]
-
-jobs:
-  build:
-
-    runs-on: ubuntu-latest
-
-    strategy:
-      matrix:
-        java: ["8", "11", "16"]
-
-    steps:
-      - uses: actions/checkout@v2
-      - name: Set up JDK 1.8
-        uses: actions/setup-java@v1
-        with:
-          java-version: 1.8
-      - name: Cache local Maven repository
-        uses: actions/cache@v2
-        with:
-          path: ~/.m2/repository
-          key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
-          restore-keys: |
-            ${{ runner.os }}-maven-
-      - name: Build with Maven
-        run: ./mvnw clean install -B -U

README.adoc

@@ -5,7 +5,7 @@ Edit the files in the src/main/asciidoc/ directory instead.
 ////
 
 
-image::https://github.com/spring-cloud/spring-cloud-commons/workflows/Build/badge.svg?branch=2.2.x&style=svg["Build",link="https://github.com/spring-cloud/spring-cloud-commons/actions"]
+image::https://circleci.com/gh/spring-cloud/spring-cloud-commons.svg?style=svg[Build Status, link=https://circleci.com/gh/spring-cloud/spring-cloud-commons]
 
 
 https://pivotal.io/platform-as-a-service/migrating-to-cloud-native-application-architectures-ebook[Cloud Native] is a style of application development that encourages easy adoption of best practices in the areas of continuous delivery and value-driven development.

docs/src/main/asciidoc/README.adoc

@@ -1,4 +1,4 @@
-image::https://github.com/spring-cloud/spring-cloud-commons/workflows/Build/badge.svg?branch=2.2.x&style=svg["Build",link="https://github.com/spring-cloud/spring-cloud-commons/actions"]
+image::https://circleci.com/gh/spring-cloud/spring-cloud-commons.svg?style=svg[Build Status, link=https://circleci.com/gh/spring-cloud/spring-cloud-commons]
 
 include::intro.adoc[]