cd.yml

# Copyright (c) godot-rust; Bromeon and contributors.
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at https://mozilla.org/MPL/2.0/.

name: "Book CI"

on:
  push:
    branches: [master]
  pull_request:

env:
  # Use fixed versions for now, replace with 'latest' to auto-use latest
  # Note: during build, there's a warning when using mdbook-toc compiled against an older mdbook version, should work though.
  MDBOOK_VERSION: "0.4.37"
  MDBOOK_TOC_VERSION: "0.14.2"
  MDBOOK_ADMONISH_VERSION: "1.15.0"
  MDBOOK_BIN: "/tmp/mdbook-bin"
  OXIPNG_VERSION: "9.0.0"

# Sets permissions of the GITHUB_TOKEN to allow deployment to GitHub Pages
permissions:
  contents: write # git push for oxipng
  pages: write
  id-token: write

jobs:
  build:
    runs-on: ubuntu-latest

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

    # Note: actions-rs/install@v0.1 was considered, but a full 'cargo install' is unnecessarily slow and the cache mechanism is not reliable
    # (error "Unable to download mdbook == 0.4.14 from the tool cache: Error: Unexpected HTTP response: 403")
    # So, directly pull the release from GitHub
    - name: "Install mdbook, mdbook-toc, mdbook-admonish"
      run: |
        wget https://github.com/rust-lang/mdBook/releases/download/v${MDBOOK_VERSION}/mdbook-v${MDBOOK_VERSION}-x86_64-unknown-linux-gnu.tar.gz \
          -O /tmp/mdbook.tar.gz
        wget https://github.com/badboy/mdbook-toc/releases/download/${MDBOOK_TOC_VERSION}/mdbook-toc-${MDBOOK_TOC_VERSION}-x86_64-unknown-linux-gnu.tar.gz \
          -O /tmp/mdbook-toc.tar.gz
        wget https://github.com/tommilligan/mdbook-admonish/releases/download/v${MDBOOK_ADMONISH_VERSION}/mdbook-admonish-v${MDBOOK_ADMONISH_VERSION}-x86_64-unknown-linux-gnu.tar.gz \
          -O /tmp/mdbook-admonish.tar.gz
        
        mkdir ${MDBOOK_BIN}
        echo ${MDBOOK_BIN} >> $GITHUB_PATH
        tar -xvzf /tmp/mdbook.tar.gz -C ${MDBOOK_BIN}
        tar -xvzf /tmp/mdbook-toc.tar.gz -C ${MDBOOK_BIN}
        tar -xvzf /tmp/mdbook-admonish.tar.gz -C ${MDBOOK_BIN}

    - name: "Build book"
      run: mdbook build

    - name: "Upload Pages artifact"
      if: github.ref == 'refs/heads/master'
      uses: actions/upload-pages-artifact@v1
      with:
        path: book

    - name: "Deploy to GitHub Pages"
      if: github.ref == 'refs/heads/master'
      uses: actions/deploy-pages@v2


  markdown-lint:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v4

    - name: "Install markdownlint-cli2"
      run: npm install -g markdownlint-cli2

    - name: "Run lint"
      run: ./lint.sh

    # Disabled because behavior differs slightly from markdownlint (cli)
#    - name: "Run lint"
#      uses: docker://avtodev/markdown-lint:v1 # fastest way; alternative: avto-dev/markdown-lint@v1
#      with:
#        args: ReadMe.md "src/**/*.md"
#        config: .github/other/.markdownlint.jsonc


  license-guard:
    runs-on: ubuntu-20.04
    steps:
      - uses: actions/checkout@v4

      - name: "Check license headers"
        uses: apache/skywalking-eyes/header@v0.5.0
        with:
          # log: debug # optional: set the log level. The default value is `info`.
          config: .github/other/licenserc.yml
          # token: # optional: the token that license eye uses when it needs to comment on the pull request.
          # Set to empty ("") to disable commenting on pull request. The default value is ${{ github.token }}
          # mode: # optional: Which mode License-Eye should be run in. Choices are `check` or `fix`. The default value is `check`.
          mode: check
#          mode: fix


  oxipng:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v4
      with:
        repository: ${{ github.event.pull_request.head.repo.full_name }}
        ref: ${{ github.event.pull_request.head.ref }}

    - name: "Run oxipng to reduce PNG sizes"
      run: |
        wget https://github.com/shssoichiro/oxipng/releases/download/v${OXIPNG_VERSION}/oxipng-${OXIPNG_VERSION}-x86_64-unknown-linux-musl.tar.gz \
        -O /tmp/oxipng.tar.gz
        
        tar -xvzf /tmp/oxipng.tar.gz -C /tmp
        mv /tmp/oxipng-${OXIPNG_VERSION}-x86_64-unknown-linux-musl/oxipng ./oxipng
        chmod +x ./oxipng
        
        ./oxipng --version
        ./oxipng --strip safe --alpha -r src

    # See https://github.com/EndBug/add-and-commit#add--commit.
    - name: "Commit changes"
      uses: EndBug/add-and-commit@v9
      with:
        author_name: 'Godot-Rust Automation'
        author_email: '115185599+GodotRust@users.noreply.github.com'
        message: 'Auto-reduce PNG sizes'
        add: 'src/**/*.png'