message: Use custom clone of repository on CI
diff: "node_js": [
  "node"
  ],
  + "install": [
  + "git clone https://github.com/$TRAVIS_REPO_SLUG.git $TRAVIS_REPO_SLUG",
  + "cd $TRAVIS_REPO_SLUG"
  + ],
  "before_script": [
  "yarn run pack"
  ],
  },
  "skip_cleanup": true,
  "on": {
  - "condition": "$TRAVIS_TAG",
  + "condition": "-z ${TRAVIS_TAG}",
  "branch": "master"
  }
  },
  },
  "skip_cleanup": true,
  "on": {
  - "condition": "$TRAVIS_TAG",
  + "condition": "-z ${TRAVIS_TAG}",
  "branch": "canary"
  }
  }
  