Only release automatically from official repository

Author: gregsymons

.travis.yml

@@ -3,7 +3,9 @@ language: scala
 script: sbt ++$TRAVIS_SCALA_VERSION test scripted
 
 after_script:
-  - if [[ $TRAVIS_TEST_RESULT == 0 && "$TRAVIS_BRANCH" == "master" ]]; then sbt "^publish"; fi
+  - if [[ $TRAVIS_TEST_RESULT == 0 && 
+          "$TRAVIS_REPO_SLUG" == "scoverage/sbt-scoverage" &&
+          "$TRAVIS_BRANCH" == "master" ]]; then sbt "^publish"; fi
 
 scala:
   - "2.10.4"