.github/workflows/abidiff.yaml

# SPDX-FileCopyrightText: 2025 Andrea Pappacoda <andrea@pappacoda.it>
# SPDX-License-Identifier: MIT

name: abidiff

on: [push, pull_request]

concurrency:
  group: ${{ github.workflow }}-${{ github.ref || github.run_id }}
  cancel-in-progress: true

defaults:
  run:
    shell: sh

jobs:
  abi:
    runs-on: ubuntu-latest
    if: github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name != github.event.pull_request.base.repo.full_name
    container:
      image: debian:testing

    steps:
    - name: Install dependencies
      run: apt -y --update install --no-install-recommends
        abigail-tools
        ca-certificates
        g++
        git
        libbrotli-dev
        libssl-dev
        libzstd-dev
        meson
        pkg-config
        python3
        zlib1g-dev

    - uses: actions/checkout@v4
      with:
        path: current

    - uses: actions/checkout@v4
      with:
        path: previous
        fetch-depth: 0

    - name: Checkout previous
      working-directory: previous
      run: |
        git switch master
        git describe --tags --abbrev=0 master | xargs git checkout

    - name: Build current
      working-directory: current
      run: |
        meson setup --buildtype=debug -Dcpp-httplib_compile=true build
        ninja -C build

    - name: Build previous
      working-directory: previous
      run: |
        meson setup --buildtype=debug -Dcpp-httplib_compile=true build
        ninja -C build

    - name: Run abidiff
      run: abidiff
        --headers-dir1 previous/build
        --headers-dir2 current/build
        previous/build/libcpp-httplib.so
        current/build/libcpp-httplib.so