Update .travis.yml

.travis.yml

@@ -25,7 +25,9 @@ script:
   - |
     if [ "$TRAVIS_OS_NAME" == "linux" ]; then
       docker run --rm \
-        --env-file <(env | grep -iE 'DEBUG|NODE_|ELECTRON_|YARN_|NPM_|CI|CIRCLE|TRAVIS|APPVEYOR_|CSC_|_TOKEN|_KEY|AWS_|STRIP|BUILD_') \
+        --env-file <(env | grep -vE '\r|\n' | grep -iE 'DEBUG|NODE_|ELECTRON_|YARN_|NPM_|CI|CIRCLE|TRAVIS_TAG|TRAVIS|TRAVIS_REPO_|TRAVIS_BUILD_|TRAVIS_BRANCH|TRAVIS_PULL_REQUEST_|APPVEYOR_|CSC_|GH_|GITHUB_|BT_|AWS_|STRIP|BUILD_') \
+        --env ELECTRON_CACHE="/root/.cache/electron" \
+        --env ELECTRON_BUILDER_CACHE="/root/.cache/electron-builder" \
         -v ${PWD}:/project \
         -v ~/.cache/electron:/root/.cache/electron \
         -v ~/.cache/electron-builder:/root/.cache/electron-builder \