build.yml

name: Build Docker Image
on:
  push:
  pull_request:
  schedule:
    - cron: "0 0 1 * *"
  workflow_dispatch:
    inputs:
      deploy:
        type: boolean
        description: Whether to deploy the build images
jobs:
  build:
    if: "!(github.event_name == 'push' && contains(github.event.head_commit.message, '[skip ci]'))"
    strategy:
      matrix:
        scheme:
          - small
          - full
        platform:
          - linux/amd64
          - linux/arm64
    name: Build TeXLive [${{ matrix.scheme }}-scheme,${{ matrix.platform }}]
    runs-on: ubuntu-latest
    steps:
      - name: Setup enviroment
        run: |
          platform=${{ matrix.platform }}
          echo "PLATFORM_PAIR=${platform//\//-}" >> $GITHUB_ENV
          echo "SCHEME=${{ matrix.scheme }}" >> "$GITHUB_ENV"
          echo "TAG=ghcr.io/xu-cheng/texlive-${{ matrix.scheme }}" >> "$GITHUB_ENV"
      - name: Setup Git repository
        uses: actions/checkout@v4
      - name: Setup QEMU
        uses: docker/setup-qemu-action@v3
      - name: Setup Docker Buildx
        uses: docker/setup-buildx-action@v3
      - name: Build
        uses: docker/build-push-action@v5
        with:
          context: .
          build-args: scheme=${{ matrix.scheme }}
          platforms: ${{ matrix.platform }}
          load: true
          tags: texlive-${{ matrix.scheme }}
      - name: Test pdflatex
        run: |
          docker run --rm texlive-$SCHEME pdflatex --version
          cat <<EOF >test.tex
          \documentclass{article}
          \usepackage{newtxtext}
          \begin{document}
          test
          \end{document}
          EOF
          docker run --rm -v $(pwd):/data -w /data texlive-$SCHEME python3 /opt/texlive/bin/texliveonfly test.tex
          file test.pdf | grep -q ' PDF '
      - name: Test latexindent
        run: |
          cat <<EOF >test.tex
          \documentclass{article}
          \usepackage{newtxtext}
          \begin{document}
          test
          \end{document}
          EOF
          docker run --rm -v $(pwd):/data -w /data texlive-$SCHEME latexindent test.tex
        if: "matrix.scheme == 'full'"
      - name: Login
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.CR_PAT }}
        if: "github.ref == 'refs/heads/master'"
      - name: Push image
        id: push
        uses: docker/build-push-action@v5
        with:
          context: .
          build-args: scheme=${{ matrix.scheme }}
          platforms: ${{ matrix.platform }}
          outputs: type=image,name=${{ env.TAG }},push-by-digest=true,name-canonical=true,push=true
        if: "github.ref == 'refs/heads/master' && (github.event_name == 'schedule' || (github.event_name == 'workflow_dispatch' && inputs.deploy))"
      - name: Export digest
        run: |
          mkdir -p /tmp/digests
          digest="${{ steps.push.outputs.digest }}"
          touch "/tmp/digests/${digest#sha256:}"
        if: "github.ref == 'refs/heads/master' && (github.event_name == 'schedule' || (github.event_name == 'workflow_dispatch' && inputs.deploy))"
      - name: Upload digest
        uses: actions/upload-artifact@v4
        with:
          name: digests-${{ matrix.scheme }}-${{ env.PLATFORM_PAIR }}
          path: /tmp/digests/*
          if-no-files-found: error
          retention-days: 1
        if: "github.ref == 'refs/heads/master' && (github.event_name == 'schedule' || (github.event_name == 'workflow_dispatch' && inputs.deploy))"

  merge:
    if: "github.ref == 'refs/heads/master' && (github.event_name == 'schedule' || (github.event_name == 'workflow_dispatch' && inputs.deploy))"
    strategy:
      matrix:
        scheme:
          - small
          - full
    name: Merge Image [${{ matrix.scheme }}-scheme]
    runs-on: ubuntu-latest
    needs:
      - build
    steps:
      - name: Setup enviroment
        run: |
          echo "SCHEME=${{ matrix.scheme }}" >> "$GITHUB_ENV"
          echo "TAG=ghcr.io/xu-cheng/texlive-${{ matrix.scheme }}" >> "$GITHUB_ENV"
          echo "VERSION=$(date "+%Y%m%d")"  >> "$GITHUB_ENV"
      - name: Download digests
        uses: actions/download-artifact@v4
        with:
          path: /tmp/digests
          pattern: digests-*
          merge-multiple: true
      - name: Setup Docker Buildx
        uses: docker/setup-buildx-action@v3
      - name: Login
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.CR_PAT }}
      - name: Create manifest list and push
        working-directory: /tmp/digests
        run: |
          docker buildx imagetools create --tag "$TAG:$VERSION" $(printf "$TAG@sha256:%s " *)
          docker buildx imagetools create --tag "$TAG:latest" $(printf "$TAG@sha256:%s " *)
      - name: Inspect images
        run: |
          docker buildx imagetools inspect "$TAG:$VERSION"
          docker buildx imagetools inspect "$TAG:latest"