Move stuff to workdir so GitLab will cache it

.gitlab-ci.yml

@@ -9,6 +9,8 @@ variables:
   GIT_SUBMODULE_STRATEGY: recursive
 
 before_script:
+  - mv usr-local-bundle /usr/local/bundle   # Move extracted cache to its
+  - mv home-bundle ~/.bundle                # original place
   - apk add npm
   - npm install
   - bundle install
@@ -16,6 +18,8 @@ before_script:
   - jekyll build -d public
   - ./scripts/purgecss.sh public
   - ./scripts/minifycssjs.sh public
+  - mv /usr/local/bundle usr-local-bundle   # Move cache to workdir so
+  - mv ~/.bundle home-bundle                # that GitLab will pick it up
 
 deploy-prod:
   stage: deploy
@@ -29,9 +33,9 @@ deploy-prod:
   cache:
     key: build-deps
     paths:
-      - "/usr/local/bundle/"
+      - "usr-local-bundle/"
       - "node_modules/"
-      - "$HOME/.bundle"
+      - "home-bundle"
   only:
   - master
 
@@ -45,8 +49,8 @@ pages:
   cache:
     key: build-deps
     paths:
-      - "/usr/local/bundle/"
+      - "usr-local-bundle/"
       - "node_modules/"
-      - "$HOME/.bundle"
+      - "home-bundle"
   only:
   - develop