| #!/usr/bin/env bash | 
 | # Copyright 2017 Google Inc. | 
 | # All Rights Reserved. | 
 | # | 
 | # | 
 | # Redistribution and use in source and binary forms, with or without | 
 | # modification, are permitted provided that the following conditions are | 
 | # met: | 
 | # | 
 | #     * Redistributions of source code must retain the above copyright | 
 | # notice, this list of conditions and the following disclaimer. | 
 | #     * Redistributions in binary form must reproduce the above | 
 | # copyright notice, this list of conditions and the following disclaimer | 
 | # in the documentation and/or other materials provided with the | 
 | # distribution. | 
 | #     * Neither the name of Google Inc. nor the names of its | 
 | # contributors may be used to endorse or promote products derived from | 
 | # this software without specific prior written permission. | 
 | # | 
 | # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | 
 | # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | 
 | # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | 
 | # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | 
 | # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | 
 | # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | 
 | # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 
 | # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 
 | # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 
 | # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 
 | # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 
 |  | 
 | set -eu | 
 |  | 
 | if [ "${TRAVIS_OS_NAME}" != linux ]; then | 
 |     echo "Not a Linux build; skipping installation" | 
 |     exit 0 | 
 | fi | 
 |  | 
 |  | 
 | if [ "${TRAVIS_SUDO}" = "true" ]; then | 
 |     echo "deb [arch=amd64] http://storage.googleapis.com/bazel-apt stable jdk1.8" | \ | 
 |         sudo tee /etc/apt/sources.list.d/bazel.list | 
 |     curl https://bazel.build/bazel-release.pub.gpg | sudo apt-key add - | 
 |     sudo apt-get update && sudo apt-get install -y bazel gcc-4.9 g++-4.9 clang-3.7 | 
 | elif [ "${CXX}" = "clang++" ]; then | 
 |     # Use ccache, assuming $HOME/bin is in the path, which is true in the Travis build environment. | 
 |     ln -sf /usr/bin/ccache $HOME/bin/${CXX}; | 
 |     ln -sf /usr/bin/ccache $HOME/bin/${CC}; | 
 | fi |