llms.txt workflow

.github/workflows/commit-llms-txt.yml

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+---
+name: Commit llms.txt
+on:
+  workflow_run:
+    workflows: ["Generate llms.txt"]
+    types:
+      - completed
+
+permissions:
+  contents: write
+
+jobs:
+  commit:
+    runs-on: ubuntu-latest
+    if: github.event.workflow_run.event == 'pull_request' && github.event.workflow_run.conclusion == 'success'
+    steps:
+      - name: Download llms.txt artifact
+        uses: actions/download-artifact@v4
+        with:
+          name: llms-txt
+          run-id: ${{ github.event.workflow_run.id }}
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Read PR metadata
+        id: meta
+        run: |
+          echo "pr_number=$(cat pr-number.txt)" >> "$GITHUB_OUTPUT"
+          echo "pr_branch=$(cat pr-branch.txt)" >> "$GITHUB_OUTPUT"
+
+      - name: Checkout PR branch
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ steps.meta.outputs.pr_branch }}
+          token: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Copy generated llms.txt
+        uses: actions/download-artifact@v4
+        with:
+          name: llms-txt
+          run-id: ${{ github.event.workflow_run.id }}
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          path: .artifact
+
+      - name: Commit llms.txt if changed
+        run: |
+          cp .artifact/src/pages/llms.txt src/pages/llms.txt
+          rm -rf .artifact
+
+          git add src/pages/llms.txt
+          if git diff --staged --quiet; then
+            echo "No changes to llms.txt, skipping commit."
+            exit 0
+          fi
+
+          git config user.name "github-actions[bot]"
+          git config user.email "github-actions[bot]@users.noreply.github.com"
+          git commit -m "auto-generate llms.txt"
+          git push

.github/workflows/generate-llms-txt.yml

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+---
+name: Generate llms.txt
+on:
+  pull_request:
+    branches: [main]
+    paths:
+      - 'src/pages/**'
+
+jobs:
+  generate:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+
+      - name: Generate llms.txt
+        uses: actions/github-script@v7
+        with:
+          script: |
+            const { execSync } = require('child_process');
+            execSync('npm install --no-save github:AdobeDocs/adp-devsite-scripts', { stdio: 'inherit' });
+            const generate = require('./node_modules/adp-devsite-scripts/llm-txt-generate/generate-llms-txt.js');
+            await generate({ core });
+
+      - name: Save PR metadata
+        run: |
+          echo "${{ github.event.pull_request.number }}" > pr-number.txt
+          echo "${{ github.event.pull_request.head.ref }}" > pr-branch.txt
+
+      - name: Upload llms.txt artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: llms-txt
+          path: |
+            src/pages/llms.txt
+            pr-number.txt
+            pr-branch.txt