Preview #13
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| name: Preview | |
| on: | |
| workflow_run: | |
| workflows: | |
| - Build | |
| types: | |
| - completed | |
| jobs: | |
| preview-failed: | |
| if: github.event.workflow_run.event == 'pull_request' && github.event.workflow_run.conclusion != 'success' | |
| runs-on: ubuntu-latest | |
| steps: | |
| - name: Download metadata artifact | |
| run: gh run download '${{ github.event.workflow_run.id }}' --name pr | |
| env: | |
| GH_TOKEN: ${{ github.token }} | |
| - name: Read PR data | |
| run: echo "PR_NUMBER=$(cat ./pr)" >> $GITHUB_ENV | |
| - name: Comment on PR | |
| uses: marocchino/sticky-pull-request-comment@v2 | |
| with: | |
| number: ${{ env.PR_NUMBER }} | |
| message: "The PR preview for ${{ github.event.workflow_run.head_sha }} could not be generated" | |
| preview: | |
| if: github.event.workflow_run.event == 'pull_request' && github.event.workflow_run.conclusion == 'success' | |
| runs-on: ubuntu-latest | |
| steps: | |
| # TODO: can this download from the existing pages or a cache? | |
| - name: Checkout | |
| uses: actions/checkout@v4 | |
| with: | |
| persist-credentials: false | |
| - name: Build current pages | |
| run: | | |
| npm install | |
| npx honkit build | |
| mv _book current | |
| - name: Download preview artifact | |
| run: gh run download '${{ github.event.workflow_run.id }}' --name github-pages --dir preview | |
| env: | |
| GH_TOKEN: ${{ github.token }} | |
| - name: Remove indeterminism | |
| run: | | |
| find current/ preview/ -type f -exec sed -i '/gitbook.page.hasChanged/d' {} + | |
| - name: Create diff to current | |
| run: | | |
| diff -Nrwu --exclude search_index.json current/ preview/ > diff.patch || true | |
| if [[ -s diff.patch ]] ; then | |
| sudo apt-get update | |
| sudo apt-get install -y diffstat python3-pygments | |
| mv diff.patch preview/diff.patch | |
| pygmentize -o preview/diff.html -l diff -f html -O full preview/diff.patch | |
| diffstat -l -p1 preview/diff.patch > preview/diff.txt | |
| fi | |
| - name: Download metadata artifact | |
| run: gh run download '${{ github.event.workflow_run.id }}' --name pr | |
| env: | |
| GH_TOKEN: ${{ github.token }} | |
| - name: Read PR data | |
| run: echo "PR_NUMBER=$(cat ./pr)" >> $GITHUB_ENV | |
| - name: Set preview domain | |
| run: echo "PREVIEW_DOMAIN=$(echo ${{ github.repository }} | tr / - )-${{ github.job }}-pr-${{ env.PR_NUMBER }}.surge.sh" >> $GITHUB_ENV | |
| - name: Install surge | |
| run: npm install surge | |
| - name: Deploy to surge.sh | |
| run: npx surge ./preview $PREVIEW_DOMAIN --token ${{ secrets.SURGE_TOKEN }} | |
| - name: Generate summary | |
| run: | | |
| echo "The PR preview for ${{ github.event.workflow_run.head_sha }} is available at [${{ env.PREVIEW_DOMAIN }}](https://${{ env.PREVIEW_DOMAIN }})" >> pr.md | |
| echo "" >> pr.md | |
| if [[ -f preview/diff.txt ]] ; then | |
| echo "The following output files are affected by this PR:" >> pr.md | |
| sed -E "s#(.*)#- [\1](https://${{ env.PREVIEW_DOMAIN }}/\1)#" preview/diff.txt >> pr.md | |
| else | |
| echo "No diff compared to the current website" >> pr.md | |
| fi | |
| if [[ -s preview/diff.patch ]] ; then | |
| echo "" >> pr.md | |
| echo "[show diff](https://${{ env.PREVIEW_DOMAIN }}/diff.patch)" >> pr.md | |
| fi | |
| if [[ -f preview/diff.html ]] ; then | |
| echo "" >> pr.md | |
| echo "[show diff as HTML](https://${{ env.PREVIEW_DOMAIN }}/diff.html)" >> pr.md | |
| fi | |
| - name: Comment on PR | |
| uses: marocchino/sticky-pull-request-comment@v2 | |
| with: | |
| number: ${{ env.PR_NUMBER }} | |
| path: pr.md |