attempt to generate PDF in releases

Author: ul

.github/workflows/release.yml

@@ -0,0 +1,44 @@
+name: Build and Release PDF
+
+on:
+  push:
+    branches: [main]
+
+permissions:
+  contents: write
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+
+      - name: Install SILE
+        run: |
+          sudo add-apt-repository -y ppa:sile-typesetter/sile
+          sudo apt-get update
+          sudo apt-get install -y sile luarocks fonts-sil-gentiumplus
+
+      - name: Install dependencies
+        run: luarocks --lua-version $(sile -q <<< SILE.lua_version) --tree lua_modules install resilient.sile 3.4.0
+
+      - name: Build PDF
+        # Twice as label references change after the first run.
+        run: |
+          sile --luarocks-tree lua_modules -u inputters.silm ddd-reference.silm
+          sile --luarocks-tree lua_modules -u inputters.silm ddd-reference.silm
+
+      - name: Upload PDF as artifact
+        uses: actions/upload-artifact@v6
+        with:
+          name: ddd-reference
+          path: ddd-reference.pdf
+
+      - name: Update latest release
+        uses: softprops/action-gh-release@v2
+        with:
+          tag_name: latest
+          name: Latest Build
+          body: Built from ${{ github.sha }}
+          files: ddd-reference.pdf
+          make_latest: true

.gitignore

@@ -3,3 +3,4 @@
 /ddd-reference.ref
 /ddd-reference.toc
 /embedded/
+/ddd-reference.pdf

Makefile

@@ -1,5 +1,5 @@
 install:
 	brew install sile
-	luarocks --lua-version 5.1 --tree lua_modules install resilient.sile
+	luarocks --lua-version 5.1 --tree lua_modules install resilient.sile 3.4.0
 build:
 	sile -u inputters.silm ddd-reference.silm

README.md

@@ -2,7 +2,7 @@
 
 A summary of the patterns and definitions of DDD, typeset in an arguably neater fashion than the [original PDF.](https://www.domainlanguage.com/wp-content/uploads/2016/05/DDD_Reference_2015-03.pdf)
 
-Read it as a [PDF,](./ddd-reference.pdf) or refer to the `*.dj` files for the content in a Markdown-like lightweight markup. 
+Read it as a [PDF,](https://github.com/ul/ddd-reference/releases/latest/download/ddd-reference.pdf) or refer to the `*.dj` files for the content in a Markdown-like lightweight markup.
 
 I tried to be faithful to the original document both in terms of content and emphasis, but mistakes are unavoidable, and correction PRs are welcome.
 I took the liberty, however, of replacing "Therefore:" paragraphs with the ∴ symbol used as a horizontal divider.

ddd-reference.pdf

@@ -13,7 +13,9 @@ book:
   enabled: true
 sile:
   packages:
-    - fancytoc
+    - resilient.fancytoc
+  options:
+    papersize: a4
 chapters:
   - frontmatter.sil
   - 00-acknowledgements.dj