build_pacman_repo.yml

name: Build pacman repo

on:
  workflow_dispatch: {}
  pull_request:
    paths:
      - 'tools/MINGW-packages/**'
      - '.github/workflows/build_pacman_repo.yml'
  push:
    paths:
      - 'tools/MINGW-packages/**'
      - '.github/workflows/build_pacman_repo.yml'

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

env:
  cache-name: cache-natron-repo

jobs:
  build_repo:
    name: Build pacman repo
    runs-on: windows-2022
    defaults:
      run:
        shell: msys2 {0}
    steps:
      - name: Checkout branch
        uses: actions/checkout@v4.1.1
        with:
          submodules: recursive
      - name: Setup MinGW environment
        uses: msys2/setup-msys2@v2
        with:
          msystem: mingw64
          update: true
          install: git base-devel
      - name: Install Inno Setup
        run: choco install innosetup
        shell: pwsh
      - name: Prep MinGW package version list
        run: |
          pacman -Sl mingw64 msys > mingw-package-version-list.txt
      - name: Restore natron repo directory from cache
        id: restore-natron-repo-cache
        uses: actions/cache/restore@v4.0.0
        with:
          path: natron_repo
          key: ${{ env.cache-name }}-${{ hashFiles('mingw-package-version-list.txt', 'tools/MINGW-packages/**/PKGBUILD') }}
      - name: Build natron package repo
        id: build-package-repo
        # Allow continuing after error so cache gets updated and makes reruns faster.
        continue-on-error: true
        run: |
          tools/MINGW-packages/build_natron_package_repo.sh natron_repo

          REPO_VERSION=`cat ${GITHUB_WORKSPACE}/tools/MINGW-packages/windows_pacman_repo_version.txt`
          echo "REPO_VERSION=${REPO_VERSION}" >> "$GITHUB_OUTPUT"
      - name: Save natron repo directory to cache
        id: save-natron-repo-cache
        uses: actions/cache/save@v4.0.0
        # save even if build fails.
        if: always()
        with:
          path: natron_repo
          key: ${{ env.cache-name }}-${{ hashFiles('mingw-package-version-list.txt', 'tools/MINGW-packages/**/PKGBUILD') }}
      - name: Upload natron_package_repo artifacts
        uses: actions/upload-artifact@v4.3.1
        with:
          name: natron_package_repo-${{ steps.build-package-repo.outputs.REPO_VERSION }}
          path: natron_repo
      - name: Check on failures
        if: steps.build-package-repo.outcome != 'success'
        run: exit 1