check_clang_tidy.sh

# Software License Agreement - BSD 3-Clause License
#
# Author:  Robert Haschke

_travis_run_clang_tidy_fix() {
    local SOURCE_PKGS COMPILED_PKGS counter pkg file src_dir
    SOURCE_PKGS=($(catkin_topological_order $CI_SOURCE_PATH --only-names 2> /dev/null))

    # filter repository packages for those which have a compile_commands.json file in their build folder
    declare -A PKGS  # associative array
    for pkg in ${SOURCE_PKGS[@]} ; do
        file="$ROS_WS/build/$pkg/compile_commands.json"
        test -r "$file" && PKGS[$pkg]=$(dirname "$file")
    done

    for pkg in ${SOURCE_PKGS[@]} ; do  # process files in topological order
        test -z "${PKGS[$pkg]:-}" && continue  # skip pkgs without compile_commands.json
        travis_fold start clang.tidy "  - $(colorize BLUE Processing $pkg)"

        # Find all .cpp files in pkg's src_dir that were added or modified in this pull request
        # If we are not processing a Travis pull request, check all files
        # To enable unit-testing, check all files when $TEST_PKG is defined
        modified_files=()
        if [ "${TRAVIS_PULL_REQUEST:-false}" != false ] && [ -z "${TEST_PKG:-}" ] ; then
            src_dir=$(grep "^CMAKE_HOME_DIRECTORY:INTERNAL=" "${PKGS[$pkg]}/CMakeCache.txt")
            collect_modified_files modified_files "\.cpp$" $(realpath "${src_dir#*=}") $TRAVIS_BRANCH
            if [ ${#modified_files[@]} -eq 0 ]; then
                echo "No modified .cpp files"
                travis_fold end clang.tidy
                continue
            fi
        fi

        travis_run_simple --no-assert --timeout $(travis_timeout 45) "$RUN_CLANG_TIDY_EXECUTABLE" -fix -header-filter='$ROS_WS/src/$REPOSITORY_NAME/.*' -p "${PKGS[$pkg]}" ${modified_files[@]:-} 2> /dev/null
        # if there are workspace changes, print broken pkg to file descriptor 3
        travis_have_fixes && 1>&3 echo $pkg || true  # should always succeed ;-)
        travis_fold end clang.tidy
    done
}

travis_fold start clang.tidy "Running clang-tidy check"
travis_run_simple --display "- cd to repository source: $CI_SOURCE_PATH" cd $CI_SOURCE_PATH

# Ensure the base branch ($TRAVIS_BRANCH) is available
if [ "$(git rev-parse --abbrev-ref HEAD)" != "$TRAVIS_BRANCH" ] ; then
    travis_run_simple --display "- ensure base branch ($TRAVIS_BRANCH) is available" git fetch origin "$TRAVIS_BRANCH"
    git branch -f "$TRAVIS_BRANCH" FETCH_HEAD
fi

# Find run-clang-tidy script: Xenial and Bionic install them with different names
RUN_CLANG_TIDY_EXECUTABLE=$(ls -1 /usr/bin/run-clang-tidy* | head -1)
test -z "$RUN_CLANG_TIDY_EXECUTABLE" && \
   echo -e $(colorize YELLOW $(colorize THIN "Missing run-clang-tidy. Aborting.")) && \
   exit 2
# Check whether -quiet option is supported
test ! $RUN_CLANG_TIDY_EXECUTABLE -quiet 2>&1 | grep -- "-quiet" > /dev/null && RUN_CLANG_TIDY_EXECUTABLE="$RUN_CLANG_TIDY_EXECUTABLE -quiet"

# Run _travis_run_clang_tidy_fix() and redirect file descriptor 3 to /tmp/clang-tidy.tainted to collect tainted pkgs
3>/tmp/clang-tidy.tainted travis_run_simple --display "- run-clang-tidy for all source packages" _travis_run_clang_tidy_fix
result=$?
test $result -ne 0 && exit $result

# Read content of /tmp/clang-tidy.tainted into variable TAINTED_PKGS
TAINTED_PKGS=$(< /tmp/clang-tidy.tainted)

# Finish fold before printing result summary
travis_fold end clang.tidy

if [ -z "$TAINTED_PKGS" ] ; then
  echo -e $(colorize GREEN "Passed clang-tidy check")
else
  echo -e "$(colorize RED \"clang-tidy check failed for the following packages:\")\\n$(colorize YELLOW $(colorize THIN $TAINTED_PKGS))"
  exit 2
fi