docs-workflow.yml

#
# This GitHub Actions workflow builds and deploys the re-frame documentation website hosted on GitHub Pages at:
# https://day8.github.io/re-frame/
#
# More about the build process are documented at
# https://github.com/day8/re-frame/blob/feature/mkdocs/docs/developer-notes.md

name: docs
on:
  push:
    branches: 'master'

jobs:
  # The ns-to-markdown job generates API documentation from the source code and uploads that as an artifact.
  ns-to-markdown:
    name: re-frame.core Markdown
    runs-on: ubuntu-20.04
    container:
      # Source: https://github.com/day8/dockerfiles-for-dev-ci-images
      image: ghcr.io/day8/chrome-56:2
      credentials:
        username: ${{ github.actor }}
        password: ${{ secrets.GITHUB_TOKEN }}
    steps:
      - name: Checkout Current Branch
        uses: actions/checkout@v2
        with:
          fetch-depth: 0
      - name: Build re-frame.core Documentation
        working-directory: docs
        # Source: https://github.com/day8/re-frame/blob/master/docs/src/ns_to_markdown.clj
        run: clojure -m ns-to-markdown ../src/re_frame/core.cljc > api-re-frame.core.md
      - name: Build re-frame.alpha Documentation
        working-directory: docs
        # Source: https://github.com/day8/re-frame/blob/master/docs/src/ns_to_markdown.clj
        run: clojure -m ns-to-markdown ../src/re_frame/alpha.cljc > api-re-frame.alpha.md
      - name: Upload re-frame.core Documentation Artifact
        uses: actions/upload-artifact@v2
        with:
          name: api-re-frame.core.md
          path: docs/api-re-frame.core.md
      - name: Upload re-frame.alpha Documentation Artifact
        uses: actions/upload-artifact@v2
        with:
          name: api-re-frame.alpha.md
          path: docs/api-re-frame.alpha.md

  # This job builds the re-frame :docs app and uploads it as an artifact.
  # The app renders code blocks for the reader reader to edit & evaluate.

  re-frame-docs-app:
    name: Re-frame Docs App
    runs-on: ubuntu-20.04
    container:
      image: ghcr.io/day8/dockerfile-for-dev-ci-image/dev-ci:1
      credentials:
        username: ${{ github.actor }}
        password: ${{ secrets.GITHUB_TOKEN }}
    steps:
      - name: Checkout Current Branch
        uses: actions/checkout@v2
      - name: Maven cache
        id: maven-cache
        uses: actions/cache@v1
        with:
          path: /root/.m2/repository
          key: ${{ runner.os }}-maven-${{ hashFiles('project.clj', '.github/workflows/**') }}
          restore-keys: |
            ${{ runner.os }}-maven-
      - name: Install node packages
        run: |
          npm install
      - name: Run lein docs
        if: steps.maven-cache.outputs.cache-hit != 'true'
        env:
          CLOJARS_USERNAME: ${{ secrets.CLOJARS_USERNAME }}
          CLOJARS_TOKEN: ${{ secrets.CLOJARS_TOKEN }}
          GITHUB_USERNAME: ${{ github.actor }}
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          lein docs
      - name: Run lein -o docs
        if: steps.maven-cache.outputs.cache-hit == 'true'
        env:
          CLOJARS_USERNAME: ${{ secrets.CLOJARS_USERNAME }}
          CLOJARS_TOKEN: ${{ secrets.CLOJARS_TOKEN }}
          GITHUB_USERNAME: ${{ github.actor }}
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          lein -o docs
      - name: Create re-frame-docs App Artifact
        working-directory: docs
        run: |
          tar Jcf re-frame-docs-app.tar.xz js
      - name: Upload re-frame-docs App Artifact
        uses: actions/upload-artifact@v2
        with:
          name: re-frame-docs-app
          path: docs/re-frame-docs-app.tar.xz

  # MkDocs is the actual static site generator. It downloads the api-re-frame.core.md and docs app artifacts,
  #  then generates additional files based on configuration and markdown.
  mkdocs:
    name: MkDocs
    needs:
      - ns-to-markdown
      - re-frame-docs-app
    runs-on: ubuntu-22.04
    container:
      image: "squidfunk/mkdocs-material:5.5.9"
    steps:
      - name: Checkout Current Branch
        uses: actions/checkout@v2
      - name: Download api-re-frame.core.md Artifact
        uses: actions/download-artifact@v2
        with:
          name: api-re-frame.core.md
          path: docs
      - name: Download api-re-frame.alpha.md Artifact
        uses: actions/download-artifact@v2
        with:
          name: api-re-frame.alpha.md
          path: docs
      - name: Download re-frame-docs App Artifact
        uses: actions/download-artifact@v2
        with:
          name: re-frame-docs-app
          path: docs
      - name: Extract re-frame-docs App Artifact
        working-directory: docs
        run: tar Jxf re-frame-docs-app.tar.xz
      - name: Build MkDocs Documentation
        run: mkdocs build
      - name: Create MkDocs Artifact
        run: tar zcf mkdocs.tar.gz site/
      - name: Upload MkDocs Artifact
        uses: actions/upload-artifact@v1
        with:
          name: mkdocs
          path: mkdocs.tar.gz

  # The GitHub Pages job downloads the final MkDocs artifact and commits it to the gh-pages branch for deployment.
  github-pages:
    name: GitHub Pages
    needs: mkdocs
    runs-on: ubuntu-20.04
    steps:
      - name: Checkout GitHub Pages Branch
        uses: actions/checkout@v2
        with:
          ref: "gh-pages"
          path: "gh-pages"
      - name: Download MkDocs Artifact
        uses: actions/download-artifact@v1
        with:
          name: mkdocs
      - name: Extract MkDocs Artifact
        run: |
          tar zxf mkdocs/mkdocs.tar.gz
          rm -rf gh-pages/*
          cp -Rv site/* gh-pages/
      - name: Commit
        working-directory: ./gh-pages
        run: |
          git config --local user.email "action@github.com"
          git config --local user.name "GitHub Action"
          git add -A
          git commit -m "Update docs"
      - name: Push
        working-directory: ./gh-pages
        run: |
          REMOTE="https://${GITHUB_ACTOR}:${GITHUB_TOKEN}@github.com/${GITHUB_REPOSITORY}.git"
          git push "${REMOTE}" HEAD:gh-pages