Update build process and unicode handling (#126)

* set XeLaTeX as pandoc engine for build actions

* Update actions

* Change fonts for better unicode support

* Add dejavu font

Author: yngwi

.github/workflows/on_push.yml

@@ -9,7 +9,7 @@ jobs:
     steps:
       - uses: actions/checkout@v2
 
-      - uses: rlespinasse/github-slug-action@v3.x
+      - uses: rlespinasse/github-slug-action@v5
 
       - name: Create version number
         run: echo "VERSION=commit-${{ env.GITHUB_SHA_SHORT }}" >> $GITHUB_ENV
@@ -30,7 +30,7 @@ jobs:
       - name: Create the release PDFs
         run: docker run -e VERSION=${{ env.VERSION }} -v $GITHUB_WORKSPACE/files/releases:/opt/input -v $GITHUB_WORKSPACE/out/releases:/opt/output time-machine-project/publish_pdfs
 
-      - uses: actions/upload-artifact@v2
+      - uses: actions/upload-artifact@v4
         with:
           name: rfc_pdf_files
           path: out

.github/workflows/on_release.yml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - name: Create version number
         run: echo "VERSION=${{ github.event.release.tag_name }}" >> $GITHUB_ENV
@@ -24,7 +24,7 @@ jobs:
         run: docker run -e VERSION=${{ env.VERSION }} -v $GITHUB_WORKSPACE/files:/opt/input -v $GITHUB_WORKSPACE/out:/opt/output time-machine-project/publish_book
 
       - name: Upload the artifacts
-        uses: alexellis/upload-assets@0.2.2
+        uses: alexellis/upload-assets@0.4.0
         with:
           asset_paths: '["./out/*.pdf"]'
         env:

build/Dockerfile.book

@@ -11,7 +11,8 @@ RUN apk update && apk upgrade && apk add --no-cache \
     freetype-dev \
     harfbuzz \
     ca-certificates \
-    ttf-freefont
+    ttf-freefont \
+    ttf-dejavu
 
 RUN tlmgr install koma-script
 

build/Dockerfile.single

@@ -11,7 +11,8 @@ RUN apk update && apk upgrade && apk add --no-cache \
     freetype-dev \
     harfbuzz \
     ca-certificates \
-    ttf-freefont
+    ttf-freefont \
+    ttf-dejavu
 
 COPY ./convert_single.sh /opt/script/
 

build/convert_book.sh

@@ -71,7 +71,7 @@ for md in $(find . -type f -name "*.md" -not -name "RFC-template.md" -not -name
 done
 
 # Build pdf
-pandoc -s -M date="Release $version - $(date "+%B %e, %Y")" --toc -f markdown -o "$pdfpath" <(echo "$text")
+pandoc -s --pdf-engine=xelatex -V mainfont="DejaVu Serif" -V sansfont="DejaVu Sans" -V monofont="DejaVu Sans Mono" -M date="Release $version - $(date "+%B %e, %Y")" --toc -f markdown -o "$pdfpath" <(echo "$text")
 
 # Remove temporary files
 cd ..

build/convert_single.sh

@@ -13,6 +13,6 @@ find $inpath -name '*.md' -print0 |
 		name=$(basename "$file" .md)
 		echo "building: $version_text $name"
 		sed -i "s/-release-version-/$version_text - $(date '+%Y-%m-%d')/" ./"$name".md
-		pandoc -s -i ./"$name".md -o ../"$name".pdf
+		pandoc -s --pdf-engine=xelatex -V mainfont="DejaVu Serif" -V sansfont="DejaVu Sans" -V monofont="DejaVu Sans Mono" -i ./"$name".md -o ../"$name".pdf
 		rm -Rf "$outpath"/build
 	done