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ci: build previws for the website on doc changes
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172
.github/workflows/docs-preview.yml
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172
.github/workflows/docs-preview.yml
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name: Build and Preview Manual
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on:
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workflow_dispatch:
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pull_request:
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types: [opened, synchronize, reopened, closed]
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paths:
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- ".github/workflows/docs-preview.yml"
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- "modules/**"
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- "docs/**"
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# Defining permissions here passes it to all workflows.
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# https://docs.github.com/en/actions/writing-workflows/choosing-what-your-workflow-does/controlling-permissions-for-github_token
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permissions:
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contents: write
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pull-requests: write
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issues: write
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concurrency:
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group: ${{ github.workflow }}-${{ github.ref }}
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cancel-in-progress: true
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jobs:
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build-preview:
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runs-on: ubuntu-latest
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steps:
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- name: Install Nix
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uses: DeterminateSystems/nix-installer-action@main
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- uses: DeterminateSystems/magic-nix-cache-action@main
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- name: Checkout
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uses: actions/checkout@v4
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- name: Set default git branch (to reduce log spam)
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run: git config --global init.defaultBranch main
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- name: Build documentation packages
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run: nix build .#docs-html --print-build-logs
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- name: Deploy to GitHub Pages preview
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run: |
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PR_NUMBER=${{ github.event.pull_request.number }}
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BRANCH_NAME="gh-pages"
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PREVIEW_DIR="docs-preview-${PR_NUMBER}"
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# Clone the gh-pages branch and move to the preview subdirectory
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git clone --single-branch --branch $BRANCH_NAME https://github.com/${{ github.repository }} gh-pages
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cd gh-pages
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mkdir -p $PREVIEW_DIR
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# Copy the build files to the preview subdirectory
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cp -rvf ../result/share/doc/nvf/* ./$PREVIEW_DIR
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# Configure git to use the GitHub Actions token for authentication
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git config --global user.name "GitHub Actions"
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git config --global user.email "actions@github.com"
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# Set the GitHub token for authentication
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git remote set-url origin https://x-access-token:${{ secrets.GITHUB_TOKEN }}@github.com/${{ github.repository }}
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# Add and commit the changes
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git add --all
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git commit -m "Deploy PR #${PR_NUMBER} preview" || echo "No changes to commit"
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git push --force origin $BRANCH_NAME
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comment-url:
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needs: build-preview
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runs-on: ubuntu-latest
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steps:
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- name: Prepare Environment
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id: prelude
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run: |
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PR_NUMBER=${{ github.event.pull_request.number }}
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URL="https://${{ github.repository_owner }}.github.io/nvf/docs-preview-${PR_NUMBER}/"
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# Propagate non-interpolatable environment vars
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echo "URL=$URL" >> "$GITHUB_OUTPUT"
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echo "REV=$GITHUB_SHA" >> "$GITHUB_OUTPUT"
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echo "ACTOR=$GITHUB_ACTOR" >> "$GITHUB_OUTPUT"
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echo "REF=$GITHUB_HEAD_REF" >> "$GITHUB_OUTPUT"
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echo "RUNS=$GITHUB_RUN_NUMBER" >> "$GITHUB_OUTPUT"
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echo "Live Preview URL: $URL"
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echo "Rev: $GITHUB_SHA"
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echo "Actor: $GITHUB_ACTOR"
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echo "Ref: "$GITHUB_HEAD_REF"
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echo "Reruns: "$GITHUB_RUN_NUMBER"
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echo "### :rocket: Live Preview Deployed " >> "$GITHUB_STEP_SUMMARY"
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echo "Preview can be found at ${URL}" >> "$GITHUB_STEP_SUMMARY"
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- name: Find Comment
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uses: peter-evans/find-comment@v3
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id: fc
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with:
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comment-author: "github-actions[bot]"
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issue-number: ${{ github.event.pull_request.number }}
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body-includes: "Live preview deployed"
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- name: Post live preview comment
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uses: peter-evans/create-or-update-comment@v4
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env:
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COMMENT_ID: ${{ steps.fc.outputs.comment-id }}
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URL: ${{ steps.prelude.outputs.URL }}
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GITHUB_SHA: ${{ steps.prelude.outputs.REV }}
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ACTOR: ${{ steps.prelude.outputs.ACTOR }}
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REF: ${{ steps.prelude.outputs.REF }}
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RUNS: ${{ steps.prelude.outputs.RUNS }}
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with:
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comment-id: ${{ env.COMMENT_ID }}
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issue-number: ${{ github.event.pull_request.number }} # issue number also applies to pull requests
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edit-mode: replace # replace previous body
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body: |
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### :rocket: Live preview deployed from ${{ env.GITHUB_SHA }}
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View it [here](${{ env.URL }}):
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<details>
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<summary><strong>Debug Information</strong></summary>
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<p>Triggered by: ${{ env.ACTOR }}</p>
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<p><code>HEAD</code> at: ${{ env.REF }}</p>
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<p>Reruns: ${{ env.RUNS }}</p>
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</details>
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cleanup:
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if: ${{ github.event.pull_request.merged == true || github.event.pull_request.state == 'closed' }}
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runs-on: ubuntu-latest
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steps:
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- name: Checkout repository
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uses: actions/checkout@v4
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- name: Delete preview for closed/merged PR
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run: |
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PR_NUMBER=${{ github.event.pull_request.number }}
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BRANCH_NAME="gh-pages"
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PREVIEW_DIR="docs-preview-${PR_NUMBER}"
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# Clone the gh-pages branch
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git clone --single-branch --branch $BRANCH_NAME https://github.com/${{ github.repository }} gh-pages
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cd gh-pages
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# Check if the preview directory exists, and delete it if it does
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if [ -d "$PREVIEW_DIR" ]; then
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echo "Deleting preview directory $PREVIEW_DIR"
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rm -rf $PREVIEW_DIR
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else
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echo "Preview directory $PREVIEW_DIR does not exist. Skipping deletion."
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fi
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# Configure git to use the GitHub Actions token for authentication
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git config --global user.name "GitHub Actions"
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git config --global user.email "actions@github.com"
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# Set the GitHub token for authentication
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git remote set-url origin https://x-access-token:${{ secrets.GITHUB_TOKEN }}@github.com/${{ github.repository }}
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# Add and commit the changes (only if there's something to delete)
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git add .
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git diff --quiet || git commit -m "Remove preview for PR #${PR_NUMBER}"
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git push origin $BRANCH_NAME
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cleanup-comment:
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needs: cleanup
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runs-on: ubuntu-latest
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steps:
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- name: Post cleanup verification
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uses: peter-evans/create-or-update-comment@v4
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with:
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issue-number: ${{ github.event.pull_request.number }}
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body: |
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✅ Preview has been deleted successfully!
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