Cache pip

.gitlab-ci.yml

@@ -2,9 +2,15 @@
 image: python:3.9-slim
 
 variables:
+  PIP_CACHE_DIR: "$CI_PROJECT_DIR/.cache/pip"
   CALVER_REGEX: '/^v\d{4}\.\d{1,2}\.\d{1,2}$/'
   CALVER_REGEX_DEV: '/^v\d{4}\.\d{1,2}\.\d{1,2}(-(?:alpha|beta|rc|dev)\d*)?$/'
 
+# https://pip.pypa.io/en/stable/topics/caching/
+cache:
+  paths:
+    - .cache/pip
+
 include:
   - remote: 'https://gitlab.com/deploy2zenodo/deploy2zenodo/-/releases/permalink/latest/downloads/deploy2zenodo.yaml'