Introduce 2 step CI compilation with soft link manipulation

.gitignore

@@ -4,4 +4,6 @@ sagetex.sty
 sage-plots-for-main.tex/
 dependency-newcommands.tex
 dependency-packages.tex
-tilt.rs
\ No newline at end of file
+tilt.rs
+appendix.tex
+

.gitlab-ci.yml

@@ -10,8 +10,9 @@ build:
     - source /root/.bashrc
     - sage -pip install "pseudowalls==0.0.3" --extra-index-url https://gitlab.com/api/v4/projects/43962374/packages/pypi/simple
     - make tilt.rs
+    - make blank-appendix
     - latexmk -use-make
-    - sed -i -e '1s/^/\\def\\notebookappendix{} /' main.tex
+    - make nb-appendix
     - latexmk -use-make
   artifacts:
     paths:

Makefile

@@ -9,14 +9,16 @@ BIBFILES = $(addsuffix /references.bib, ${CHAPTERDIRS})
 
 SAGESCRIPT = main.sagetex.sage
 
-main.pdf: ${TEXFILES} ${BIBFILES} ${PREAMBLEFILES} main.sagetex.sout tilt.rs notebook_tex
+SAGEARTIFACT = main.sagetex.sout
+
+main.pdf: ${TEXFILES} ${BIBFILES} ${PREAMBLEFILES} ${SAGEARTIFACT} tilt.rs notebook_tex
 	latexmk || echo this fails but seems to produce pdf correctly
 
-main.sagetex.sout: ${SAGESCRIPT} chapter_py_libs
+${SAGEARTIFACT}: ${SAGESCRIPT} chapter_py_libs
 	PYTHONPATH=`echo $(CHAPTERDIRS) | sed 's/ \+/:/g'` sage ${SAGESCRIPT}
 
 ${SAGESCRIPT}: ${TEXFILES}
-	latexmk \$max_repeat=<1> || echo this is meant to fail
+	latexmk || echo this is meant to fail
 	# seems to be a bug with sagetex, only works if patched:
 	sed -i -e 's;version_check=)$$;version_check=True);' $@
 
@@ -40,9 +42,19 @@ chapter_py_libs:
 		$(MAKE) -C $$dir notebook_py_libs; \
 	done
 
+# SYMBOLIC LINKS
+
 tilt.rs:
 	ln -s max-destabilizer-rank/tilt.rs/ tilt.rs
 
+blank-appendix:
+	rm appendix.tex || echo appendix non-existent
+	ln -s /dev/null appendix.tex
+
+nb-appendix:
+	rm appendix.tex || echo appendix non-existent
+	ln -s notebook-appendix.tex appendix.tex
+
 # TEX FILES FROM NOTEBOOKS
 
 define NOTEBOOK_TO_TEX_RULE