.travis.yml

language: python
matrix:
        include:
                - dist: precise
                  python: "2.6"  # looks bad when lxml-4.0.0 no longer on PyPI
                  env:    MAINT_EXTRA=0
                # cf. https://github.com/travis-ci/travis-ci/issues/2219
                - python: "2.7_with_system_site_packages"
                  env:    MAINT_EXTRA=0
                - python: "2.7_with_system_site_packages"
                  env:    MAINT_EXTRA=1
                - dist: trusty
                  python: "3.2"  # looks bad when lxml-4.0.0 no longer on PyPI
                  env:    MAINT_EXTRA=0
                - dist: trusty
                  python: "3.4"
                  env:    MAINT_EXTRA=0
                - dist: bionic
                  python: "3.6_with_system_site_packages"
                  env:    MAINT_EXTRA=0
                - dist: bionic
                  python: "3.7"
                  env:    MAINT_EXTRA=0
                - dist: bionic
                  python: "3.8-dev"
                  env:    MAINT_EXTRA=0
                - python: "3.9-dev"
                  env:    MAINT_EXTRA=0

before_install:
        # http://docs.travis-ci.com/user/installing-dependencies/#Installing-Ubuntu-packages
        # https://github.com/travis-ci/travis-ci/issues/2124#issuecomment-38992012
        - sudo apt-get update -qq
        # speed the run up
        - test $MAINT_EXTRA -ne 0
          || python -c
          'from sys import exit, version_info as v; exit(v[:2] in ((2, 7), (3, 6)))'
          || sudo apt-get install -qq $(python -c
             'from sys import exit, version_info as v; exit(v[1] == 2)'
             && echo "python-lxml python-setuptools"
             || echo "python3-lxml python3-setuptools")
        - test $MAINT_EXTRA -eq 0 || sudo apt-get install -qq libxml2-utils

install:
        - pushd __root__
        - test $MAINT_EXTRA -ne 0
          || python setup.py -q saveopts -f setup.cfg pkg_prepare
              --ra-metadata-dir="$(pwd)/cluster"
              --ccs-flatten="$(dirname $(pwd))/ccs_flatten"
              --editor="sed -i 's|\(force-block=\"\)false|\1true|;w /dev/stdout'"
        #- cat setup.cfg
        # make following robust enough to deal with pip pre-6.0(?)
        - test $MAINT_EXTRA -ne 0
          || { _pip() { _log="$(pip "$@")"; _ret=$?;
                        echo "$_log" | grep -Fi -eCOLLECTED -eINSTALLED -eERROR;
                        return $_ret; };
               { _pip install --disable-pip-version-check -- pip
                 && { { test "$TRAVIS_PYTHON_VERSION" != 2.6
                        && test "$TRAVIS_PYTHON_VERSION" != 3.2
                        && test "$TRAVIS_PYTHON_VERSION" != 3.4; }
                      || _pip install --disable-pip-version-check "lxml <= 4.0"; }
                 && _pip install --disable-pip-version-check -e .[test,coverage]
                 && _pip install --disable-pip-version-check coveralls; }
               || { _pip install --disable-pip-version-check -- pip 2>/dev/null
                    || { { { test "$TRAVIS_PYTHON_VERSION" != 2.6
                             && test "$TRAVIS_PYTHON_VERSION" != 3.2
                             && test "$TRAVIS_PYTHON_VERSION" != 3.4; }
                           || _pip install "lxml <= 4.0"; }
                         && _pip install -e .[test,coverage]
                         && _pip install coveralls; }; }
               || { ret=$?; echo "LOGS>";
                    cat ~/.pip/pip.log ~/.cache/pip/log/debug.log 2>/dev/null;
                    f() { return $1; }; f $ret; }; }
        - popd

before_script:
        # ensure cores are generated (~after_failure)
        test $MAINT_EXTRA -ne 0 || ulimit -S -c unlimited

script:
        - test $MAINT_EXTRA -ne 0 || ./run-tests -c
        # http://relaxng.org/relaxng.rng
        - test $MAINT_EXTRA -eq 0 || curl -Ss
          https://raw.githubusercontent.com/relaxng/jing-trang/master/eg/relaxng.rng
          | find -name '*.rng' -exec xmllint --noout --relaxng - {} +

after_failure:
        - test $MAINT_EXTRA -ne 0 || sudo apt-get install -qq gdb libc6-dbg
        # examine core files
        # TODO: eu-readelf -n binary|sed -n 's/^.*Build ID: //p'
        #       etc. to ensure build-id match
        - test $MAINT_EXTRA -ne 0 || find -name 'core*' -print0
          | xargs -0I@ -- sh -xc
            'file "@";
             gdb -se $(file "@" | sed -n "s|.* core file .* from \x27\([^\x27 ]*\).*|\1|p")
                 -c "@" -batch -ex "t a a bt f" -ex "set pagination 0"'

after_success:
        test $MAINT_EXTRA -ne 0 || coveralls

notifications:
        irc: "irc.freenode.net#clusterlabs-dev"