name: Libabigail ABI Checks
on: 
  pull_request: []

jobs:
  get-release:
    container: ghcr.io/dyninst/dyninst-ubuntu-20.04:v12.1.0
    runs-on: ubuntu-latest
    steps:
    - name: Upload Libs
      uses: actions/upload-artifact@v2-preview
      with:
        name: release-libs
        path: /opt/dyninst-env/install/dyninst/lib

  get-latest:
    container: ghcr.io/dyninst/dyninst-ubuntu-20.04:latest
    runs-on: ubuntu-latest
    steps:
    - name: Upload Libs
      uses: actions/upload-artifact@v2-preview
      with:
        name: latest-libs
        path: /opt/dyninst-env/install/dyninst/lib

  get-pr:
    container: ghcr.io/dyninst/dyninst-ubuntu-20.04:latest
    runs-on: ubuntu-latest
    steps:
    - name: Build Pull Request
      uses: actions/checkout@v3
    - name: Build
      run: |
         rm -rf /code
         cp -R $PWD /code
         ls /code
         cd /opt/dyninst-env
         /bin/bash build.sh         
         
    - name: Upload results
      uses: actions/upload-artifact@v2-preview
      with:
        name: pr-libs
        path: /opt/dyninst-env/install/dyninst/lib

  abi:
    runs-on: ubuntu-latest
    needs: [get-latest, get-release, get-pr]
    strategy:
      fail-fast: false
      matrix:

        # Testing every paired library for release vs pr and main vs. pr
        libs: ["libcommon.so",
               "libdynC_API.so",
               "libdynDwarf.so",
               "libdynElf.so",
               "libdyninstAPI_RT.so",
               "libdyninstAPI.so",
               "libinstructionAPI.so",
               "libparseAPI.so",
               "libpatchAPI.so",
               "libpcontrol.so",
               "libstackwalk.so",
               "libsymLite.so",
               "libsymtabAPI.so"]

        # Artifact pairs (named) for comparison)
        artifacts: [["pr-libs", "latest-libs"],        
                    ["pr-libs", "release-libs"]]

    steps:
    - name: Download Previous Version
      uses: actions/download-artifact@v2
      with:
        name: ${{ matrix.artifacts[1] }}
        path: previous/

    - name: Download Pull Request Version
      uses: actions/download-artifact@v2
      with:
        name: ${{ matrix.artifacts[0] }}
        path: current/

    - name: Show Files
      run: |
        ls current/
        ls previous/

    - name: Run Libabigail
      uses: buildsi/libabigail-action@main
      env:
        lib: ${{ matrix.libs }}
      with: 
        abidiff: previous/${{ env.lib }} current/${{ env.lib }}