Add CI test for specimen difference

Author: silkeh

.gitlab-ci.yml

@@ -21,3 +21,10 @@ build:
     paths:
       - "*.pdf"
       - "*.zip"
+
+test:
+  stage: test
+  needs: [build]
+  image: $CI_REGISTRY/slxh/latex/tools
+  script:
+    - pdf-diff *-specimen.pdf

Makefile

@@ -25,7 +25,7 @@ $(PACKAGE).zip: $(PACKAGE).tds.zip
 	create-ctan-zip $< $(PACKAGE)
 
 $(PACKAGE).pdf: docs
-	cp doc/latex/$(PACKAGE)/$(PACKAGE).pdf $(PACKAGE).pdf
+	cp doc/latex/$(PACKAGE)/*.pdf ./
 
 $(PACKAGE).files: fonts docs
 	find tex/   -type f  > $@