fix(ci): wrong conditions for project building

refs #604

.gitlab-ci.yml

@@ -80,13 +80,8 @@ test:
   script:
     - npm run e2e
 
-build-dev:
-  stage: build-dev
-  only:
-    - pushes
-    - tags
-    - schedules
-    - web
+.build:
+  stage: build
   artifacts:
     expire_in: 10 min
     paths:
@@ -94,21 +89,25 @@ build-dev:
   script:
     # -baseref option is used by npm to set the npm_config_basehref environment variable
     # used in package.json
-    - npm run build-href -basehref=/cassiopee/$CI_COMMIT_REF_NAME/
+    - npm run build-href -basehref=$BASEHREF
 
-build-prod:
-  stage: build-prod
+build-dev:
+  extends: .build
   only:
-    - pushes
     - tags
+    - pushes
     - schedules
     - web
-  artifacts:
-    expire_in: 10 min
-    paths:
-      - dist/
-  script:
-    - npm run build
+  variables:
+    - BASEHREF=/cassiopee/$CI_COMMIT_REF_NAME/
+
+build-prod:
+  extends: .build
+  only:
+    - tags
+    - devel
+  variables:
+    - BASEHREF=/
 
 clean-stale-branches:
   stage: clean-stale-branches