Do not delete docs before build

That may motiviate users to build the documentation locally in order to check
their docstrings

.gitlab-ci.yml

@@ -53,6 +53,7 @@ test_mpi:
 pages:
   stage: release
   script:
+    - rm -rf docs/build docs/source/mod
     - sh docs/generate.sh
     - mv docs/build/ public/
   artifacts:

docs/generate.sh

-rm -rf docs/build docs/source/mod
 EXCLUDE="nifty7/logger.py nifty7/git_version.py"
 sphinx-apidoc -e -o docs/source/mod nifty7 ${EXCLUDE}
 sphinx-build -b html docs/source/ docs/build/