more accurate way of grabbing the logo

Dockerfile

@@ -1,14 +1,30 @@
-FROM registry.gitlab.com/islandoftex/images/texlive:latest
+FROM archlinux:latest AS build
+WORKDIR /logo
+# Dependencies
+RUN pacman -Sy --needed --noconfirm inkscape librsvg
+# Build logo
+RUN curl -O https://www.tu-darmstadt.de/media/medien_stabsstelle_km/services/medien_cd/das_bild_der_tu_darmstadt.pdf \
+    && inkscape --version \
+    && inkscape das_bild_der_tu_darmstadt.pdf --export-filename=p1_i.svg --pages=1 \
+    && sed -i 's/icc-color([^)]*)//g' p1_i.svg \
+    && rsvg-convert -f pdf -o tuda_logo.pdf p1_i.svg --export-id=g23 \
+    && rm das_bild_der_tu_darmstadt.pdf p1_i.svg
+
+FROM registry.gitlab.com/islandoftex/images/texlive:latest AS run
 # Dependencies
 RUN apt-get update && apt-get install -y librsvg2-bin nodejs imagemagick ghostscript inkscape
 RUN sed -i "s/rights=\"none\" pattern=\"PDF\"/rights=\"read|write\" pattern=\"PDF\"/" /etc/ImageMagick-6/policy.xml
 RUN sed -i "s/rights=\"none\" pattern=\"PS\"/rights=\"read|write\" pattern=\"PS\"/" /etc/ImageMagick-6/policy.xml
 RUN sed -i "s/rights=\"none\" pattern=\"SVG\"/rights=\"read|write\" pattern=\"SVG\"/" /etc/ImageMagick-6/policy.xml
+# Install logo
+COPY --from=build /logo/tuda_logo.pdf .
 RUN mkdir -p "$(kpsewhich -var-value=TEXMFDIST)/tex/latex/local" \
-    && curl -o tuda_logo.svg -L https://upload.wikimedia.org/wikipedia/de/2/24/TU_Darmstadt_Logo.svg\?download \
-    && rsvg-convert -f pdf -o tuda_logo.pdf tuda_logo.svg \
     && mv tuda_logo.pdf "$(kpsewhich -var-value=TEXMFDIST)/tex/latex/local" \
     && texhash --verbose
+
+# cancel the build if logo is not found
+RUN kpsewhich tuda_logo.pdf
+
 # Install AlgoTeX
 WORKDIR /AlgoTeX
 COPY . .