Lua logic & automation fixes

.github/workflows/pdf-production.yml

@@ -1,22 +1,34 @@
-name: Compile PDF
+name: Compile LaTeX document
 on: [push]
 jobs:
-  compile_latex:
+  build_latex:
     runs-on: ubuntu-latest
     steps:
       - name: Set up Git repository
         uses: actions/checkout@v4
+
+      - name: Extract PDF name from LaTeX title
+        run: |
+          sudo apt-get install -y lua5.3
+          lua logic/logic.lua main.tex > pdf_name.txt
+          echo "PDF_NAME=$(cat pdf_name.txt)" >> $GITHUB_ENV
+
       - name: Compile LaTeX document
         uses: xu-cheng/latex-action@v3
         with:
           root_file: main.tex
-      - name: Upload PDF file
+          latexmk_use_xelatex: true
+
+      - name: Create Release
+        id: create_release
+        uses: softprops/action-gh-release@v1
+        with:
+          files: main.pdf
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Upload PDF to Release
         uses: actions/upload-artifact@v4
         with:
-          name: PDF
+          name: ${{ env.PDF_NAME }}
           path: main.pdf
-      - name: Produce a Release that includes the final PDF file.
-        uses: softprops/action-gh-release@v2
-        if: startsWith(github.ref, 'refs/tags/')
-        with:
-          files: main.pdf

logic/logic.lua

@@ -0,0 +1,22 @@
+-- logic/logic.lua
+local file = io.open(arg[1], "r")
+local title = nil
+
+if file then
+  for line in file:lines() do
+    local match = string.match(line, "\\title{(.+)}")
+    if match then
+      title = match
+      break
+    end
+  end
+  file:close()
+end
+
+if title then
+  -- Remove non-alphanumeric characters and replace spaces with underscores
+  title = title:gsub("[^%w%s]", ""):gsub("%s+", "_")
+  print(title .. ".pdf")
+else
+  print("document.pdf")
+end

readme.org

@@ -3,6 +3,8 @@
 #+AUTHOR: D.A.Pelasgus
 
 - This is a highly opinionated Latex template.
+- The temaplate makes use of lualatex.
+- A lua script extracts the title from the latex project; its used as the final pdfs name.
 - To use this template either clone the repository or click on the /use this template button/.
 - Navigate to /setup/variables.tex/ for credetials' declaration.
 - On *Git Push*, a PDF artefact shall be generated, available under the actions tab.