generate_release_pdf.yml

name: Generate Release PDF
# 感谢 Derived Cat (@hooyuser) 提供的自动发布小脚本！

on: 
  push:
    branches:
      - main
    paths-ignore:
      - '.gitignore'
      - '**.md'

env:
  TYPST_FILE_NAME: cppguidebook
  TYPST_FONT_PATH: fonts
  MIRROR_SITE_URL: https://142857.red/files
  MIRROR_SITE_HOOK: https://142857.red/hooks/update_cppguidebook
  MIRROR_SITE_TOKEN: ${{ secrets.SEVEN_TOKEN }}

jobs:
  build_typst:
    runs-on: ubuntu-latest
    permissions:
      contents: write
    steps:
      - name: Set up Git repository for secondary repo
        uses: actions/checkout@v4

      - name: Cache Fonts
        uses: actions/cache@v4
        id: cache-fonts
        with:
          path: fonts
          key: ${{ runner.os }}-fonts-noto_sans_sc-lxgwwenkai

      - name: Download Fonts
        if: steps.cache-fonts.outputs.cache-hit != 'true'
        run: |
          if [ -f "${{ env.TYPST_FONT_PATH }}/NotoSansSC-Regular.ttf" ]; then
            echo "Font already existed."
          else
            # Download font metadata
            mkdir -p cv
            curl -sL "https://fonts.google.com/download/list?family=Noto%20Sans%20SC" > cv/noto_sans_sc_raw.txt

            # Remove ")]}'" from the beginning of the file
            tail -c +5 cv/noto_sans_sc_raw.txt > cv/noto_sans_sc_metadata.json

            # Extract the necessary information from the JSON file
            file_refs=$(jq -rc '.manifest.fileRefs[]' cv/noto_sans_sc_metadata.json)

            # Download, save the font file to /fonts
            mkdir -p ${{ env.TYPST_FONT_PATH }}
            while IFS= read -r file_ref; do
                filename=$(echo "$file_ref" | jq -r '.filename')
                url=$(echo "$file_ref" | jq -r '.url')
                fontname=$(basename "$filename")
                echo $url $fontname
                curl -L "$url" -o "${{ env.TYPST_FONT_PATH }}/$fontname"
            done <<< "$file_refs"
            ls -l ${{ env.TYPST_FONT_PATH }}
          fi
          for form in Light Regular Bold; do
              curl -L "https://github.com/lxgw/LxgwWenKai/releases/download/v1.330/LXGWWenKai-$form.ttf" -o "${{ env.TYPST_FONT_PATH }}/LXGWWenKai-$form.ttf"
          done

      - name: Prepare Typst environment
        uses: typst-community/setup-typst@v3

      - name: Compile Typst document
        run: |
          typst fonts --variants --font-path ${{ env.TYPST_FONT_PATH }}
          typst compile ${{ env.TYPST_FILE_NAME }}.typ ${{ env.TYPST_FILE_NAME }}.pdf --font-path ${{ env.TYPST_FONT_PATH }}

      - name: Delete old Release
        uses: actions/github-script@v7
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            const { owner, repo } = context.repo
            try {
              const { data: { id } } = await github.rest.repos.getLatestRelease({ owner, repo })
              await github.rest.repos.deleteRelease({ owner, repo, release_id: id })
            } catch {}

      - name: Generate release tag
        id: tag
        run: |
          echo "release_date=$(date +"%Y 年 %m 月 %d 日 %H 点 %M 分")" >> $GITHUB_OUTPUT
          echo "release_tag=latest_$(date +"%Y-%m-%d_%H-%M")" >> $GITHUB_OUTPUT

      - name: Release
        uses: softprops/action-gh-release@v2
        with:
          name: 伟大，无需多言
          body: |
            小彭老师发布的最新 C++ 大典，更新时间 ${{ steps.tag.outputs.release_date }}
            > Release 页面太慢？GitHub 卡顿，无法下载？访问 [小彭老师自己维护的镜像](${{ env.MIRROR_SITE_URL }}/${{ env.TYPST_FILE_NAME }}.pdf)。
          tag_name: ${{ steps.tag.outputs.release_tag }}
          files: ${{ env.TYPST_FILE_NAME }}.pdf

      - name: Publish to mirror site
        continue-on-error: true
        run: |
          curl -L -X POST ${{ env.MIRROR_SITE_HOOK }} -d token=${{ env.MIRROR_SITE_TOKEN }} -d tag=${{ steps.tag.outputs.release_tag }}