fix workflows build issue #2
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| name: Build LaTeX PDFs | |
| on: | |
| push: | |
| branches: [ main ] | |
| pull_request: | |
| workflow_dispatch: | |
| inputs: | |
| target: | |
| description: 'Folder or tex file to build (e.g. 2025-26/sept18 or 2025-26/sept18/main.tex)' | |
| required: false | |
| default: '2025-26' | |
| jobs: | |
| build: | |
| runs-on: ubuntu-latest | |
| steps: | |
| - name: Checkout repo | |
| uses: actions/checkout@v4 | |
| with: | |
| fetch-depth: 0 | |
| - name: Normalize target -> determine root .tex | |
| id: find_root | |
| run: | | |
| set -euo pipefail | |
| TARGET="${{ github.event.inputs.target || '2025-26' }}" | |
| # If the user passed a file, use it | |
| if [ -f "$TARGET" ]; then | |
| echo "found file as target: $TARGET" | |
| echo "root_file=$TARGET" >> "$GITHUB_OUTPUT" | |
| exit 0 | |
| fi | |
| # If user passed a directory that contains main.tex, use that | |
| if [ -f "${TARGET}/main.tex" ]; then | |
| echo "found main.tex in folder: ${TARGET}/main.tex" | |
| echo "root_file=${TARGET}/main.tex" >> "$GITHUB_OUTPUT" | |
| exit 0 | |
| fi | |
| # Try to find a single top-level .tex in the directory | |
| TEXCOUNT=$(find "$TARGET" -maxdepth 2 -name '*.tex' | wc -l | tr -d ' ') | |
| if [ "$TEXCOUNT" -eq 1 ]; then | |
| FILE=$(find "$TARGET" -maxdepth 2 -name '*.tex' | head -n1) | |
| echo "found one tex file: $FILE" | |
| echo "root_file=$FILE" >> "$GITHUB_OUTPUT" | |
| exit 0 | |
| fi | |
| # If multiple .tex, prefer a file named *_main.tex or main.tex already checked | |
| FILE=$(find "$TARGET" -maxdepth 2 -type f -name '*main.tex' | head -n1 || true) | |
| if [ -n "$FILE" ]; then | |
| echo "found *main.tex: $FILE" | |
| echo "root_file=$FILE" >> "$GITHUB_OUTPUT" | |
| exit 0 | |
| fi | |
| echo "No root .tex found in '${TARGET}'. Searched for '${TARGET}', '${TARGET}/main.tex' and other .tex files." >&2 | |
| exit 1 | |
| - name: Show chosen root file | |
| run: | | |
| echo "Will build: ${{ steps.find_root.outputs.root_file }}" | |
| - name: Build with xu-cheng latex action | |
| uses: xu-cheng/latex-action@v2 | |
| with: | |
| root_file: ${{ steps.find_root.outputs.root_file }} | |
| # extra_packages can be used to add latexmk if needed (action includes latexmk typically) | |
| extra_packages: latexmk | |
| - name: Upload PDF(s) | |
| if: success() | |
| uses: actions/upload-artifact@v4 | |
| with: | |
| name: built-pdfs | |
| path: | | |