ci.yml

name: CI

on: [push]

env:
  REGISTRY: ghcr.io
  IMAGE_BASE: ${{ github.repository }}

jobs:
  update-tag:
    if: startsWith(github.ref, 'refs/tags/v')
    runs-on: ubuntu-latest
    permissions:
      contents: write

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Generate tag
        id: tag
        shell: bash
        run: |
          tag="$(git describe --tags $(git rev-list --tags --max-count=1))"
          echo "TAG=${tag%%.*}" >> $GITHUB_OUTPUT

      - name: Update tag
        uses: richardsimko/update-tag@v1
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          tag_name: ${{ steps.tag.outputs.TAG }}

  build:
    runs-on: ubuntu-latest

    permissions:
      contents: read
      packages: write

    strategy:
      fail-fast: false
      matrix:
        suffix:
          - "ubuntu"
          - "manylinux"
        platform:
          - linux/arm64
          - linux/amd64

    steps:
      - name: Prepare
        id: prepare
        run: |
          digest_key="${{ matrix.suffix }}_${{ matrix.platform }}"
          echo "DIGEST_KEY=${digest_key//\//-}" >> $GITHUB_OUTPUT
          echo "IMAGE_NAME=${{ env.REGISTRY }}/${{ env.IMAGE_BASE }}-${{ matrix.suffix }}" >> $GITHUB_OUTPUT

      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ steps.prepare.outputs.IMAGE_NAME }}
          tags: |
            type=schedule
            type=ref,event=branch
            type=ref,event=pr
            type=semver,pattern={{raw}}
            type=semver,pattern=v{{major}}

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Set up container cache
        uses: actions/cache@v4
        with:
          path: /tmp/.buildx-cache
          key: ${{ runner.os }}-${{ steps.prepare.outputs.DIGEST_KEY }}-buildx-${{ github.sha }}
          restore-keys: |
            ${{ runner.os }}-${{ steps.prepare.outputs.DIGEST_KEY }}-buildx-

      - name: Log in to the Container registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Build Docker image
        id: build
        uses: docker/build-push-action@v6
        with:
          context: docker
          file: docker/Dockerfile-${{ matrix.suffix }}
          platforms: ${{ matrix.platform }}
          labels: ${{ steps.meta.outputs.labels }}
          outputs: type=image,name=${{ steps.prepare.outputs.IMAGE_NAME }},push-by-digest=true,name-canonical=true,push=true
          cache-from: type=local,src=/tmp/.buildx-cache
          cache-to: type=local,dest=/tmp/.buildx-cache-new,mode=max

      # https://github.com/docker/build-push-action/issues/252
      # https://github.com/moby/buildkit/issues/1896
      - name: Fix Buildx cache not being cleared
        run: |
          rm -rf /tmp/.buildx-cache
          mv /tmp/.buildx-cache-new /tmp/.buildx-cache

      - name: Export digest
        run: |
          mkdir -p /tmp/digests
          digest="${{ steps.build.outputs.digest }}"
          touch "/tmp/digests/${digest#sha256:}"

      - name: Upload digest
        uses: actions/upload-artifact@v4
        with:
          name: digests-${{ steps.prepare.outputs.DIGEST_KEY }}
          path: /tmp/digests/*
          if-no-files-found: error
          retention-days: 1

  merge:
    runs-on: ubuntu-latest
    needs: [build]

    permissions:
      contents: read
      packages: write

    strategy:
      fail-fast: false
      matrix:
        image:
          - { suffix: "", original: "ubuntu" }
          - { suffix: "-ubuntu", original: "ubuntu" }
          - { suffix: "-manylinux", original: "manylinux" }

    steps:
      - name: Prepare
        id: prepare
        run: |
          digest_key="${{ matrix.image.original }}"
          echo "DIGEST_KEY=${digest_key//\//-}" >> $GITHUB_OUTPUT
          echo "IMAGE_NAME=${{ env.REGISTRY }}/${{ env.IMAGE_BASE }}${{ matrix.image.suffix }}" >> $GITHUB_OUTPUT
          echo "ORIGINAL_IMAGE_NAME=${{ env.REGISTRY }}/${{ env.IMAGE_BASE }}-${{ matrix.image.original }}" >> $GITHUB_OUTPUT

      - name: Download digests
        uses: actions/download-artifact@v4
        with:
          path: /tmp/digests
          pattern: digests-${{ steps.prepare.outputs.DIGEST_KEY }}*
          merge-multiple: true

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Docker meta
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ steps.prepare.outputs.IMAGE_NAME }}
          tags: |
            type=schedule
            type=ref,event=branch
            type=ref,event=pr
            type=semver,pattern={{raw}}
            type=semver,pattern=v{{major}}

      - name: Log in to the Container registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Create manifest list and push
        working-directory: /tmp/digests
        run: |
          docker buildx imagetools create \
            $(jq -cr '.tags | map("-t " + .) | join(" ")' <<< "$DOCKER_METADATA_OUTPUT_JSON") \
            $(printf '${{ steps.prepare.outputs.ORIGINAL_IMAGE_NAME }}@sha256:%s ' *)

      - name: Inspect image
        run: |
          docker buildx imagetools inspect ${{ steps.prepare.outputs.IMAGE_NAME }}:${{ steps.meta.outputs.version }}

  smoke-test:
    runs-on: ubuntu-latest
    needs: [merge]

    strategy:
      matrix:
        platform:
          - linux/arm64
          - linux/amd64

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3

      - name: Checkout Lite XL
        uses: actions/checkout@v4
        with:
          repository: lite-xl/lite-xl
          path: lite-xl

      - name: Configure Lite XL
        uses: ./
        with:
          platform: ${{ matrix.platform }}
          run: |
            cd lite-xl
            meson setup --wrap-mode=forcefallback build