bug fix issue #2769 #950
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| # This workflow makes sure that a pull request does not make any incompatible changes | |
| # to the public API of Gson | |
| name: Check API compatibility | |
| on: pull_request | |
| jobs: | |
| check-api-compatibility: | |
| runs-on: ubuntu-latest | |
| # This setup tries to determine API incompatibility only for the changes introduced by the | |
| # pull request. It does this by first checking out the 'old' version and installing it into | |
| # the local Maven repository before then using japicmp to compare it to the current changes. | |
| # | |
| # Alternatively it would also be possible to compare against the last release version instead. | |
| # | |
| # Both approaches have their advantages and disadvantages, see description of | |
| # https://github.com/google/gson/pull/2692 for details. | |
| steps: | |
| - name: Check out old version | |
| uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2 | |
| with: | |
| ref: ${{ github.event.pull_request.base.sha }} | |
| path: 'gson-old-japicmp' | |
| - name: Set up JDK 11 | |
| uses: actions/setup-java@8df1039502a15bceb9433410b1a100fbe190c53b # v4.5.0 | |
| with: | |
| distribution: 'temurin' | |
| java-version: '11' | |
| cache: 'maven' | |
| - name: Build old version | |
| run: | | |
| cd gson-old-japicmp | |
| # Set dummy version | |
| mvn --batch-mode --no-transfer-progress org.codehaus.mojo:versions-maven-plugin:2.16.2:set "-DnewVersion=0.0.0-JAPICMP-OLD" | |
| # Install artifacts with dummy version in local repository; used later by Maven plugin for comparison | |
| mvn --batch-mode --no-transfer-progress install -DskipTests | |
| - name: Check out new version | |
| uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2 | |
| - name: Check API compatibility | |
| id: check-compatibility | |
| run: | | |
| mvn --batch-mode --fail-at-end --no-transfer-progress package japicmp:cmp -DskipTests | |
| - name: Upload API differences artifacts | |
| uses: actions/upload-artifact@b4b15b8c7c6ac21ea08fcf65892d2ee8f75cf882 # v4.4.3 | |
| # Run on workflow success (in that case differences report might include added methods and classes) | |
| # or when API compatibility check failed | |
| if: success() || ( failure() && steps.check-compatibility.outcome == 'failure' ) | |
| with: | |
| name: api-differences | |
| path: | | |
| **/japicmp/default-cli.html | |
| **/japicmp/default-cli.diff | |
| # Plugin should always have created report files (though they might be empty) | |
| if-no-files-found: error |