travis: add coverity scan integration

R=ted.mielczarek@gmail.com

Review URL: https://codereview.chromium.org/2078283002 .

.travis.yml

@@ -1,6 +1,9 @@
 # Travis build integration.
 # https://docs.travis-ci.com/
 language: cpp
+
+# Order here matters for implicit matrix generation and coverity scan.
+# See scripts/travis-build.sh for details.
 # TODO: add a clang build as well.
 compiler:
  - gcc
@@ -15,9 +18,14 @@ addons:
 # selection. If clang is added, this should move to be set inside the
 # matrix.
 env:
-  - USE_CC=gcc-4.8 USE_CXX=g++-4.8
+  global:
+    - secure: "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"
+  matrix:
+    - USE_CC=gcc-4.8 USE_CXX=g++-4.8
 before_install: ./scripts/travis-checkout.sh
 script: ./scripts/travis-build.sh
+
+# Order here matters; see compiler comment above.
 # TODO: add mac support
 os:
   - linux

README.md

@@ -9,6 +9,7 @@ crash-reporting system.
 * Discussion/Questions: [google-breakpad-discuss@googlegroups.com](https://groups.google.com/d/forum/google-breakpad-discuss)
 * Developer/Reviews: [google-breakpad-dev@googlegroups.com](https://groups.google.com/d/forum/google-breakpad-dev)
 * Tests: [![Build Status](https://travis-ci.org/google/breakpad.svg?branch=master)](https://travis-ci.org/google/breakpad)
+* Coverage [![Coverity Status](https://scan.coverity.com/projects/9215/badge.svg)](https://scan.coverity.com/projects/google-breakpad)
 
 ## Getting started (from master)
 

scripts/travis-build.sh

@@ -19,6 +19,26 @@ setup_env() {
   export JOBS=$(( $NCPUS < 4 ? $NCPUS : 4 ))
 }
 
+# We have to do this by hand rather than use the coverity addon because of
+# matrix explosion: https://github.com/travis-ci/travis-ci/issues/1975
+coverity_scan() {
+  if [ "${TRAVIS_JOB_NUMBER##*.}" != "1" ] || \
+     [ -n "${TRAVIS_TAG}" ] || \
+     [ "${TRAVIS_PULL_REQUEST}" = "true" ]
+  then
+    echo "Skipping coverity scan."
+    return
+  fi
+
+  export COVERITY_SCAN_PROJECT_NAME="${TRAVIS_REPO_SLUG}"
+  export COVERITY_SCAN_NOTIFICATION_EMAIL="google-breakpad-dev@googlegroups.com"
+  export COVERITY_SCAN_BUILD_COMMAND="build"
+  export COVERITY_SCAN_BUILD_COMMAND_PREPEND="git clean -q -x -d -f; git checkout -f"
+  export COVERITY_SCAN_BRANCH_PATTERN="master"
+
+  curl -s "https://scan.coverity.com/scripts/travisci_build_coverity_scan.sh" | bash || :
+}
+
 # Do an in-tree build and make sure tests pass.
 build() {
   ./configure
@@ -38,6 +58,10 @@ main() {
   setup_env
   build
   build_out_of_tree
+
+  # Do scans last as they like to dirty the tree and some tests
+  # expect a clean tree (like code style checks).
+  coverity_scan
 }
 
 main "$@"