.travis.yml

language: java

jdk: oraclejdk8
env: 
  global: ORG_GRADLE_PROJECT_downloadIdeaSources=false 
  matrix:
        - ORG_GRADLE_PROJECT_ideaVersion=LATEST-EAP-SNAPSHOT
        - ORG_GRADLE_PROJECT_ideaVersion=15.0.4
        
before_script:
  - curl -L -O https://static.rust-lang.org/dist/rust-nightly-x86_64-unknown-linux-gnu.tar.gz
  - tar -xzf rust-nightly-x86_64-unknown-linux-gnu.tar.gz
  # can't use sudo, so install rustc and cargo localy
  - rust-nightly-x86_64-unknown-linux-gnu/install.sh --prefix=$HOME/rust
  # because of this export, we can't put this into separate `install-rust.sh` script
  - export PATH=$PATH:$HOME/rust/bin

# https://docs.travis-ci.com/user/languages/java/#Caching
before_cache:
  - rm -f  $HOME/.gradle/caches/modules-2/modules-2.lock
  - rm -fr $HOME/.gradle/caches/*/plugin-resolution/
cache:
  directories:
    - $HOME/.gradle/caches/
    - $HOME/.gradle/wrapper/