abi-stable.yaml

name: check-abi for stable branch
on:
  push:
    branches:
      - 'stable-*'
    paths:
      - '.github/workflows/abi-stable.yaml'
      - '**.h'
      - '**.c'
      - '**.version'
  pull_request:
    branches:
      - 'stable-*'
  workflow_dispatch:

jobs:
  reference-abi:
    runs-on: ubuntu-20.04
    steps:
      - name: get parent tag
        run: >
          echo ${{ github.ref }} |
          sed -E 's,refs/heads/stable-([0-9]\.[0-9]*)\.y,PARENT_TAG=\1.0,' >> $GITHUB_ENV
      - name: assert parent tag
        run: /bin/false
        if: ${{ env.PARENT_TAG == '' }}
      - name: update
        run: sudo apt-get update
      - name: dependencies
        run: >
          sudo apt-get install --yes gcc
          gcc make pkg-config abigail-tools
          libdevmapper-dev libreadline-dev libaio-dev libsystemd-dev
          libudev-dev libjson-c-dev liburcu-dev libcmocka-dev libedit-dev
      - name: checkout ${{ env.PARENT_TAG }}
        uses: actions/checkout@v4
        with:
          ref: ${{ env.PARENT_TAG }}
      - name: build ABI for ${{ env.PARENT_TAG }}
        run: make -j$(grep -c ^processor /proc/cpuinfo) -Orecurse abi
      - name: save ABI
        uses: actions/upload-artifact@v4
        with:
          name: multipath-abi-${{ env.PARENT_TAG }}
          path: abi

  check-abi:
    runs-on: ubuntu-20.04
    needs: reference-abi
    steps:
      - name: get parent tag
        run: >
          echo ${{ github.ref }} |
          sed -E 's,refs/heads/stable-([0-9]\.[0-9]*)\.y,PARENT_TAG=\1.0,' >> $GITHUB_ENV
      - name: assert parent tag
        run: /bin/false
        if: ${{ env.PARENT_TAG == '' }}
      - name: checkout ${{ env.PARENT_TAG }}
        uses: actions/checkout@v4
        with:
          ref: ${{ env.PARENT_TAG }}
      - name: download ABI for ${{ env.PARENT_TAG }}
        id: download_abi
        uses: actions/download-artifact@v4
        with:
          name: multipath-abi-${{ env.PARENT_TAG }}
          path: reference-abi
      - name: update
        run: sudo apt-get update
        if: steps.download_abi.outcome != 'success'
      - name: dependencies
        run: >
          sudo apt-get install --yes gcc
          gcc make pkg-config abigail-tools
          libdevmapper-dev libreadline-dev libaio-dev libsystemd-dev
          libudev-dev libjson-c-dev liburcu-dev libcmocka-dev libedit-dev
      - name: check ABI of ${{ github.ref }} against ${{ env.PARENT_TAG }}
        id: check_abi
        run: make -j$(grep -c ^processor /proc/cpuinfo) -Orecurse abi-test
        continue-on-error: true
      - name: save differences
        if: ${{ steps.check_abi.outcome != 'success' }}
        uses: actions/upload-artifact@v4
        with:
          name: abi-test
          path: abi-test
      - name: fail
        run: /bin/false
        if: steps.check_abi.outcome != 'success'