Merge pull request bazelbuild#3 from damienmg/master

Add CI scripts to test the tutorial

.gitignore

@@ -1,3 +1,4 @@
 *~
 bazel-*
 .idea
+.bazelrc

tutorial/README.md

@@ -77,3 +77,8 @@ Bazel will generate some output files, most notably `bazel-bin/ios-app/ios-app.x
 
 Open this file in xcode and run the application on your target device
 (or device simulator).
+
+Continuous integration
+----------------------
+The script in ci/build.sh is used by [http://ci.bazel.io] to test that this workspace
+still build against Bazel at head.

tutorial/ci/build.sh

@@ -0,0 +1,81 @@
+# Copyright 2015 Google Inc. All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Scripts to compile the tutorial on the CI system
+# This script expect the following environment variable:
+#   $BAZEL_INSTALLER set to the path to the bazel installer
+#   $ANDROID_SDK_PATH, $ANDROID_SDK_API_LEVEL,
+#      $ANDROID_SDK_BUILD_TOOLS_VERSION are respectively the
+#      path to the Android SDK, the API Level of the SDK and
+#      the version of the build tools. If the path isn't defined
+#      the android build won't be tested. The 2 other one are defaulted
+#      to, respectively, "22" and "22.0.1".
+#   $IOS_SDK_VERSION set the SDK version of ios (defaulted to 8.4)
+
+
+# Go to the workspace root
+cd "$(dirname "$(dirname "${BASH_SOURCE[0]}")")"
+
+echo "Workspace directory: ${PWD}"
+
+if [ -z "${BAZEL_INSTALLER}" ]; then
+  echo "BAZEL_INSTALLER environment variable not provided," >&2
+  echo "Please set it to the path of the Bazel's installer." >&2
+  exit 1
+fi
+
+set -eux
+# Set-up android tooling if provided
+if [ -n "${ANDROID_SDK_PATH-}" ]; then
+  cat >>WORKSPACE <<EOF
+android_sdk_repository(
+    name = "androidsdk",
+    path = "${ANDROID_SDK_PATH}",
+    api_level = ${ANDROID_SDK_API_LEVEL:-22},
+    build_tools_version = "${ANDROID_SDK_BUILD_TOOLS_VERSION:-22.0.1}",
+)
+EOF
+  # Revert change to workspace
+  trap 'git checkout HEAD WORKSPACE' EXIT
+fi
+
+# Install bazel
+BASE="$(dirname "${PWD}")/bazel-install"
+bash "${BAZEL_INSTALLER}" \
+  --base="${BASE}" \
+  --bazelrc="$PWD/.bazelrc" \
+  --bin="${BASE}/binary"
+
+BAZEL="${BASE}/binary/bazel"
+
+# Cleanup
+"${BAZEL}" clean --expunge
+
+# bazel info
+"${BAZEL}" info
+
+# Test building the backend
+"${BAZEL}" build //backend
+
+# Test the android application
+if [ -n "${ANDROID_SDK_PATH-}" ]; then
+  "${BAZEL}" build //android
+fi
+
+# Under darwin, test the ios application
+if [ "$(uname -s | tr 'A-Z' 'a-z')" = "darwin" ]; then
+  "${BAZEL}" build //ios-app --ios_sdk_version=${IOS_SDK_VERSION:-8.4}
+fi
+
+echo "Yay!"