Fix CI scripts again

.github/workflows/ci.yml

@@ -1,83 +1,68 @@
 name: LaTeX CI
 
 on:
-pull_request:
-branches: [ master ]
-push:
-branches: [ master ]
+  pull_request:
+    branches:
+      - master
 
 jobs:
-changes:
-runs-on: ubuntu-latest
-
-outputs:
-  matrix: ${{ steps.matrix.outputs.matrix }}
-
-steps:
-  - uses: actions/checkout@v4
-    with:
-      fetch-depth: 0
-
-  - id: matrix
-    shell: bash
-    run: |
-      DOCS=("bylaws" "policies" "board-procedures")
-
-      if [ "${{ github.event_name }}" = "pull_request" ]; then
-        BASE_SHA="${{ github.event.pull_request.base.sha }}"
-      else
-        BASE_SHA="${{ github.event.before }}"
-      fi
-
-      CHANGED=$(git diff --name-only "$BASE_SHA" "${{ github.sha }}")
-
-      SHARED_CHANGED=false
-      for file in logo.png mathsoc.cls mathsoc.sty title.tex; do
-        if echo "$CHANGED" | grep -q "^${file}$"; then
-          SHARED_CHANGED=true
-          break
-        fi
-      done
-
-      if [ "$SHARED_CHANGED" = true ]; then
-        MATRIX='{"directory":["bylaws","policies","board-procedures"]}'
-      else
-        DIRS=()
-
-        for dir in "${DOCS[@]}"; do
-          if echo "$CHANGED" | grep -q "^${dir}/"; then
-            DIRS+=("\"${dir}\"")
-          fi
-        done
+  build:
+    runs-on: ubuntu-latest
+
+    container:
+      image: ghcr.io/xu-cheng/texlive-full:latest
 
-        MATRIX="{\"directory\":[$(IFS=,; echo "${DIRS[*]}")]}"
-      fi
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
 
-      echo "matrix=$MATRIX" >> "$GITHUB_OUTPUT"
+      - name: Mark workspace safe for git
+        run: git config --global --add safe.directory "$GITHUB_WORKSPACE"
 
-build:
-needs: changes
+      - name: Determine changed documents
+        id: changed
+        shell: bash
+        run: |
+          # Fetch master so we have the ref to diff against
+          git fetch origin master --depth=1
 
-if: ${{ fromJson(needs.changes.outputs.matrix).directory[0] != null }}
+          CHANGED=$(git diff --name-only origin/master...HEAD)
 
-runs-on: ubuntu-latest
+          BUILD_BYLAWS=false
+          BUILD_POLICIES=false
+          BUILD_BOARD=false
 
-strategy:
-  fail-fast: false
-  matrix: ${{ fromJson(needs.changes.outputs.matrix) }}
+          if echo "$CHANGED" | grep -Eq '^(logo\.png|mathsoc\.cls|mathsoc\.sty|title\.tex)$'; then
+            BUILD_BYLAWS=true
+            BUILD_POLICIES=true
+            BUILD_BOARD=true
+          fi
+
+          if echo "$CHANGED" | grep -q '^bylaws/'; then
+            BUILD_BYLAWS=true
+          fi
+
+          if echo "$CHANGED" | grep -q '^policies/'; then
+            BUILD_POLICIES=true
+          fi
+
+          if echo "$CHANGED" | grep -q '^board-procedures/'; then
+            BUILD_BOARD=true
+          fi
 
-container:
-  image: ghcr.io/xu-cheng/texlive-full:latest
+          echo "bylaws=$BUILD_BYLAWS" >> $GITHUB_OUTPUT
+          echo "policies=$BUILD_POLICIES" >> $GITHUB_OUTPUT
+          echo "board=$BUILD_BOARD" >> $GITHUB_OUTPUT
 
-steps:
-  - uses: actions/checkout@v4
+      - name: Build bylaws
+        if: steps.changed.outputs.bylaws == 'true'
+        run: make -C bylaws public
 
-  - name: Build ${{ matrix.directory }}
-    run: |
-      make -C "${{ matrix.directory }}" public
+      - name: Build policies
+        if: steps.changed.outputs.policies == 'true'
+        run: make -C policies public
 
-  - name: Upload PDF
-    uses: actions/upload-artifact@v4
-    with:
-      name: ${{ matrix.directory }}
-      path: ${{ matrix.directory }}/dist/*.pdf
+      - name: Build board-procedures
+        if: steps.changed.outputs.board == 'true'
+        run: make -C board-procedures public

.github/workflows/publish.yml

@@ -1,65 +1,88 @@
 name: Publish PDFs
 
 on:
-push:
-branches:
-- master
-
-permissions:
-contents: read
-pages: write
-id-token: write
+  push:
+    branches:
+      - master
 
 concurrency:
-group: pages
-cancel-in-progress: true
+  group: pages
+  cancel-in-progress: true
 
 jobs:
-build:
-runs-on: ubuntu-latest
-
-container:
-  image: ghcr.io/xu-cheng/texlive-full:latest
-
-steps:
-  - uses: actions/checkout@v4
-
-  - name: Build bylaws
-    run: make -C bylaws public
-
-  - name: Build policies
-    run: make -C policies public
-
-  - name: Build board-procedures
-    run: make -C board-procedures public
-
-  - name: Prepare Pages content
-    run: |
-      mkdir site
-
-      cp bylaws/dist/*.pdf site/
-      cp policies/dist/*.pdf site/
-      cp board-procedures/dist/*.pdf site/
-
-  - name: Upload Pages artifact
-    uses: actions/upload-pages-artifact@v3
-    with:
-      path: site
-
-deploy:
-needs: build
-
-runs-on: ubuntu-latest
-
-environment:
-  name: github-pages
-  url: ${{ steps.deployment.outputs.page_url }}
-
-permissions:
-  pages: write
-  id-token: write
-
-steps:
-  - name: Deploy to GitHub Pages
-    id: deployment
-    uses: actions/deploy-pages@v4
+  deploy:
+    runs-on: ubuntu-latest
+
+    permissions:
+      contents: read
+      pages: write
+      id-token: write
+      actions: read
+
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Download PDFs from latest CI run
+        id: download
+        uses: dawidd6/action-download-artifact@v6
+        with:
+          name: generated-pdfs
+          workflow: ci.yml
+          branch: master
+          path: artifacts/
+          if_no_artifact_found: warn
+
+      - name: Check PDFs were downloaded
+        id: check
+        run: |
+          COUNT=$(find artifacts/ -name "*.pdf" 2>/dev/null | wc -l)
+          echo "pdf_count=$COUNT" >> $GITHUB_OUTPUT
+          if [ "$COUNT" -eq 0 ]; then
+            echo "No PDFs found — nothing to publish."
+          fi
+
+      - name: Prepare site
+        if: steps.check.outputs.pdf_count != '0'
+        run: |
+          mkdir -p site
+
+          # Flatten PDFs from nested dist/ dirs into site root
+          find artifacts/ -name "*.pdf" -exec cp {} site/ \;
+
+          # Generate index page
+          cat > site/index.html << 'EOF'
+          <!DOCTYPE html>
+          <html lang="en">
+          <head>
+            <meta charset="UTF-8">
+            <title>Documents</title>
+            <style>
+              body { font-family: sans-serif; max-width: 600px; margin: 2rem auto; padding: 0 1rem; }
+              a { display: block; margin: .5rem 0; }
+            </style>
+          </head>
+          <body>
+          <h1>Documents</h1>
+          EOF
+
+          for pdf in site/*.pdf; do
+            name=$(basename "$pdf")
+            echo "<a href=\"$name\">$name</a>" >> site/index.html
+          done
+
+          echo "</body></html>" >> site/index.html
+
+      - name: Upload Pages artifact
+        if: steps.check.outputs.pdf_count != '0'
+        uses: actions/upload-pages-artifact@v3
+        with:
+          path: site
+
+      - name: Deploy to GitHub Pages
+        if: steps.check.outputs.pdf_count != '0'
+        id: deployment
+        uses: actions/deploy-pages@v4