Drone: correctie pipeline

.drone.yml

@@ -19,10 +19,12 @@ steps:
   - python3 setup.py sdist bdist_wheel
 
 - name: Versie toevoegen aan download
+  environment:
+    DOWNLOADDIR=/usr/share/nginx/html/download/python/lmwsip
   commands:
-  - mkdir -p /usr/share/nginx/html/download/python/lmwsip
+  - mkdir -p "${DOWNLOADDIR}"
   - cd dist
-  - for f in *;do if [ -f "${f}" ] ; then echo version error;exit 1;else cp "${f}" /usr/share/nginx/html/download/python/lmwsip;fi;done
+  - for f in *;do if [ -f "${DOWNLOADDIR}/${f}" ] ; then echo version error;exit 1;else cp "${f}" "${DOWNLOADDIR}";fi;done
   when:
     branch:
     - master