Migrate from Travis CI to GitHub Actions

.github/workflows/build.yaml

@@ -0,0 +1,51 @@
+name: Build and verify
+on:
+  pull_request:
+    types: [opened, synchronize, reopened]
+  push:
+    branches: [$default-branch]
+jobs:
+  build:
+    runs-on: ubuntu-22.04
+    strategy:
+      matrix:
+        include:
+          - jdk: 11.0.16
+            sonarEnabled: true
+          - jdk: 17.0.4
+            sonarEnabled: false
+    steps:
+      - name: Check out code
+        uses: actions/[email protected]
+        with:
+          # Fetch entire history for SonarCloud analysis.
+          fetch-depth: 0
+      - name: Set up JDK
+        uses: actions/[email protected]
+        with:
+          java-version: ${{ matrix.jdk }}
+          distribution: temurin
+          cache: maven
+      - name: Cache SonarCloud packages
+        if: ${{ matrix.sonarEnabled }}
+        uses: actions/[email protected]
+        with:
+          path: ~/.sonar/cache
+          key: ${{ runner.os }}-sonar
+          restore-keys: ${{ runner.os }}-sonar
+      - name: Display build environment details
+        run: mvn --version
+      - name: Build the project
+        run: mvn -T1C install
+      - name: Perform SonarCloud analysis
+        if: ${{ matrix.sonarEnabled }}
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
+        run: >-
+          mvn sonar:sonar
+          -Dsonar.host.url=https://sonarcloud.io
+          -Dsonar.organization=picnic-technologies
+          -Dsonar.projectKey=tech.picnic:oss-parent
+      - name: Remove installed project artifacts
+        run: mvn build-helper:remove-project-artifact

.mvn/maven.config

@@ -0,0 +1 @@
+--batch-mode --errors --strict-checksums

README.md

@@ -1,6 +1,6 @@
 # Picnic OSS Maven Parent
 
-[![Build Status][travisci-badge]][travisci-builds]
+[![GitHub Actions][github-actions-build-badge]][github-actions-build-master]
 [![Maven Central][maven-central-badge]][maven-central-browse]
 [![SonarCloud Quality Gate][sonarcloud-badge-quality-gate]][sonarcloud-dashboard]
 [![SonarCloud Bugs][sonarcloud-badge-bugs]][sonarcloud-measure-reliability]
@@ -34,6 +34,8 @@ When submitting changes, please make every effort to follow existing
 conventions and style in order to keep the configuration as readable as
 possible.
 
+[github-actions-build-badge]: https://github.com/PicnicSupermarket/error-prone-support/actions/workflows/build.yaml/badge.svg
+[github-actions-build-master]: https://github.com/PicnicSupermarket/error-prone-support/actions/workflows/build.yaml?query=branch%3Amaster
 [maven-central-badge]: https://img.shields.io/maven-central/v/tech.picnic/oss-parent.svg
 [maven-central-browse]: https://repo1.maven.org/maven2/tech/picnic/oss-parent/
 [maven-central-search]: https://search.maven.org
@@ -47,5 +49,3 @@ possible.
 [sonarcloud-measure-reliability]: https://sonarcloud.io/component_measures?id=tech.picnic%3Aoss-parent&metric=Reliability
 [sonarcloud-measure-security]: https://sonarcloud.io/component_measures?id=tech.picnic%3Aoss-parent&metric=Security
 [sonarcloud-measure-maintainability]: https://sonarcloud.io/component_measures?id=tech.picnic%3Aoss-parent&metric=Maintainability
-[travisci-badge]: https://travis-ci.org/PicnicSupermarket/oss-parent.svg?branch=master
-[travisci-builds]: https://travis-ci.org/PicnicSupermarket/oss-parent

pom.xml

@@ -42,8 +42,8 @@
         <url>https://github.com/PicnicSupermarket/oss-parent/issues</url>
     </issueManagement>
     <ciManagement>
-        <system>Travis CI</system>
-        <url>https://travis-ci.com/PicnicSupermarket/oss-parent</url>
+        <system>GitHub Actions</system>
+        <url>https://github.com/PicnicSupermarket/oss-parent/actions</url>
     </ciManagement>
     <distributionManagement>
         <repository>
@@ -66,9 +66,9 @@
             <!-- The test JVMs are short-running. By disabling certain
             expensive JIT optimizations we actually speed up most tests. -->
             -XX:TieredStopAtLevel=1
-            <!-- We cap memory usage. This is especially relevant on Travis CI,
-            but locally this should also be more than enough. -->
-            -Xmx512m
+            <!-- We cap memory usage. This is especially relevant on CI, but
+            locally this should also be more than enough. -->
+            -Xmx1024m
             <!-- This argument cannot be set through Surefire's
             'systemPropertyVariables' configuration setting. Setting the file
             encoding is necessary because forked unit test invocations
@@ -87,7 +87,7 @@
             from showing up in the dock and capturing window focus. -->
             -Djava.awt.headless=true
         </argLine>
-        <!-- Our build system (Travis CI) provides a monotonically increasing
+        <!-- Our build system (GitHub Actions) provides a monotonically increasing
         build number. When building locally, this number is obviously absent.
         So we provide a default value. -->
         <build.number>LOCAL</build.number>
@@ -306,14 +306,6 @@
                         </execution>
                     </executions>
                 </plugin>
-                <plugin>
-                    <groupId>io.takari</groupId>
-                    <artifactId>maven</artifactId>
-                    <version>0.7.7</version>
-                    <configuration>
-                        <maven>${version.maven}</maven>
-                    </configuration>
-                </plugin>
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-checkstyle-plugin</artifactId>