#!/bin/sh

if [ "${TRAVIS}" != "true" ]; then
    echo "$0: this script is intended for Travis CI"
    exit 1
fi

if [ $# -ne 1 ]; then
    echo "usage: $0 build|run|failure"
    exit 1
fi

step=$1

build() {
    ./configure && make -j 4
}

build_coverity() {
    # Get the coverity tools
    set -e
    wget -nv https://scan.coverity.com/download/cxx/linux64 --post-data "token=${COV_TOKEN}&project=Bro" -O coverity_tool.tgz
    tar xzf coverity_tool.tgz
    mv cov-analysis* coverity-tools
    rm coverity_tool.tgz

    # Configure Bro
    ./configure --prefix=`pwd`/build/root --enable-debug --disable-perftools

    # Build Bro with coverity tools
    export PATH=`pwd`/coverity-tools/bin:$PATH
    cd build
    cov-build --dir cov-int make -j 4
}

run_coverity() {
    set -e

    EMAIL=bro-commits-internal@bro.org
    FILE=myproject.bz2
    VER=`cat VERSION`
    DESC=`git rev-parse HEAD`

    cd build
    tar cjf ${FILE} cov-int
    curl --form token=${COV_TOKEN} --form email=${EMAIL} --form file=@${FILE} --form version=${VER} --form description=${DESC} https://scan.coverity.com/builds?project=Bro
}

run() {
    # Run the tests, but don't exit upon failure.
    make -C testing/btest btest-verbose
    ret=$?

    set -e

    # Get the test repo
    make -C testing/external init

    # Get the private test repo
    curl https://www.bro.org/static/travis-ci/travis_key.enc -o travis_key.enc
    openssl aes-256-cbc -K $encrypted_6a6fe747ff7b_key -iv $encrypted_6a6fe747ff7b_iv -in travis_key.enc -out travis_key -d
    chmod 600 travis_key
    mv travis_key $HOME/.ssh/id_rsa
    cd testing/external
    git clone ssh://git@git.bro.org/bro-testing-private
    cd ../..
    rm $HOME/.ssh/id_rsa

    # Run the external tests
    make -C testing/external

    # If we get here, then external tests were successful.
    exit $ret
}

failure() {
    # Output each diag.log that contains failed test results.
    for i in testing/btest/diag.log testing/external/bro-testing/diag.log; do
        grep -qs '... failed$' $i && cat $i ;
    done
}

# Coverity scan is run from a Travis CI cron job.
if [ "$TRAVIS_EVENT_TYPE" = "cron" ]; then
    # Each Travis CI build consists of multiple jobs.  Here we choose one job
    # to run the coverity scan.
    JOB=`echo $TRAVIS_JOB_NUMBER | cut -d . -f 2`

    if [ "$JOB" != "1" ]; then
        echo "Coverity scan is performed only in the first job of this build"
        exit 0
    fi

    # This is split up into two steps because the build outputs thousands of
    # lines (which are collapsed into a single line on the web page).
    if [ "$step" = "build" ]; then
        build_coverity
    elif [ "$step" = "run" ]; then
        run_coverity
    fi
    exit 0
fi

# Run one step of a Travis CI job.  The "build" and "run" are split up into
# separate steps because the build outputs thousands of lines (which are
# collapsed into a single line on the web page).  The "failure" step is run
# only when at least one test fails.
if [ "$step" = "build" ]; then
    build
elif [ "$step" = "run" ]; then
    run
elif [ "$step" = "failure" ]; then
    failure
fi