Only deploy on tags, but build and package on all branches

.travis.yml

@@ -84,6 +84,10 @@ install:
 script:
   - bash ${TRAVIS_BUILD_DIR}/bootstrap-plugins.sh ${TARGET}
   - bash ${TRAVIS_BUILD_DIR}/.cleanup.sh ${TARGET}
+  - if [ -z "${TRAVIS_TAG}" ]; then \
+      bash ${TRAVIS_BUILD_DIR}/build-plugins.sh ${TARGET} ${PLUGINS} && \
+      bash ${TRAVIS_BUILD_DIR}/pack-plugins.sh ${TARGET} ${PLUGINS}; \
+    fi
 
 before_deploy:
   - bash ${TRAVIS_BUILD_DIR}/build-plugins.sh ${TARGET} ${PLUGINS}
@@ -99,7 +103,7 @@ deploy:
     - setup/macos/PawPaw-*.pkg
     #- setup/macos-universal/PawPaw-*.pkg
   on:
-    all_branches: true
+    tags: true
 
 #notifications:
   #email: true