fix/cleanup CI for slides

.gitignore

 site/
 *.swp
+
+slides_pdf/

.gitlab-ci.yml

@@ -2,9 +2,6 @@ stages:
   - slides
   - site
 
-
-
-
 pages:
   image: python:3-alpine
   stage: site
@@ -27,9 +24,7 @@ slides:
     - apt update && apt install -y git
     - git clone https://github.com/matze/mtheme.git
     - cd mtheme && make sty && make install sty
-    - latexmk -pdf slides/*.tex
-    - mkdir slides_pdf
-    - mv slides/*.pdf slides_pdf
+    - ./build_slides.sh
   artifacts:
     paths:
     - slides_pdf

build_slides.sh

+#! /bin/bash
+set -e
+
+# compile the slides
+pushd slides
+latexmk -pdf *.tex
+popd
+
+# Move things to the right place
+rm -r slides_pdf/
+mkdir -p slides_pdf/
+mv slides/*.pdf slides_pdf/