need non-zero-size package, comment off the correct brew command

.travis.yml

@@ -36,8 +36,8 @@ addons:
 before_install:
   - if test osx = "${TRAVIS_OS_NAME}"; then brew update; fi
   - if test osx = "${TRAVIS_OS_NAME}"; then brew reinstall protobuf; fi
-  - if test osx = "${TRAVIS_OS_NAME}" && test -n "${TRAVIS_TAG}"; then brew rm protobuf && travis_wait 30 brew install protobuf --universal --bottle; fi
-  # - if test osx = "${TRAVIS_OS_NAME}"; then brew reinstall tmux; fi
+  # - if test osx = "${TRAVIS_OS_NAME}" && test -n "${TRAVIS_TAG}"; then brew rm protobuf && travis_wait 30 brew install protobuf --universal --bottle; fi
+  - if test osx = "${TRAVIS_OS_NAME}"; then brew reinstall tmux; fi
   - git fetch --tags --unshallow
 
 # 'make distcheck', and OS X package build on tag builds.
@@ -50,7 +50,7 @@ script:
   # wildcards, so we must give the package a fixed name before
   # uploading it.
   # - if test osx = "${TRAVIS_OS_NAME}" && test -n "${TRAVIS_TAG}"; then sh -c "cd macosx && env MACOSX_DEPLOYMENT_TARGET=10.10 ./build.sh && ln ${TRAVIS_TAG}.pkg mosh.pkg && shasum -a 256 mosh.pkg"; fi
-  - if test osx = "${TRAVIS_OS_NAME}" && test -n "${TRAVIS_TAG}"; then sh -c "cd macosx && touch ${TRAVIS_TAG}.pkg"; fi
+  - if test osx = "${TRAVIS_OS_NAME}" && test -n "${TRAVIS_TAG}"; then sh -c "cd macosx && echo ${TRAVIS_TAG} > ${TRAVIS_TAG}.pkg"; fi
 
 # Deploy the OS X package to a GitHub release.
 deploy: