.travis.yml

sudo: true
services:
  - docker

language: python
python:
  - "3.5"

branches:
  only:
    - master

cache:
  pip: true
before_cache:
  # Remove pip's debug log, which is there already with Travis' base image.
  - rm -f $HOME/.cache/pip/log/debug.log

env:
  matrix:
    - ENV=testnvim
    - ENV=docker_test MAKE_ARGS=DOCKER_VIM=vim73
    - ENV=docker_test MAKE_ARGS=DOCKER_VIM=vim74-trusty
    - ENV=docker_test MAKE_ARGS=DOCKER_VIM=vim74-xenial
    - ENV=docker_test MAKE_ARGS=DOCKER_VIM=vim8069
    - ENV=docker_test MAKE_ARGS=DOCKER_VIM=vim-master
    - ENV=vint-diff
    - ENV=vint-errors
    - ENV=vimlint-errors
    - ENV=testvim
    - ENV=vint
    - ENV=vimlint
    - ENV=docker_vimhelplint

matrix:
  allow_failures:
    - env: ENV=vimlint
    - env: ENV=vint
  fast_finish: true

install:
  - |
    if [ "$ENV" = "vint-diff" ]; then
      # Run full vint against changed files.
      echo "Looking for changed files in $TRAVIS_COMMIT_RANGE."
      export CHANGED_VIM_FILES="$(git diff --name-only "$TRAVIS_COMMIT_RANGE" | grep '\.vim$')"
      if [ -z "$CHANGED_VIM_FILES" ]; then
        SKIP_BUILD_REASON="vint-diff: No changed .vim files."
      fi
    elif [ "$ENV" = "docker_vimhelplint" ]; then
      echo "Looking for changed files in $TRAVIS_COMMIT_RANGE."
      if git diff --exit-code --quiet "$TRAVIS_COMMIT_RANGE" doc/neomake.txt; then
        SKIP_BUILD_REASON="docker_vimhelplint: No changed doc files."
      fi
    elif [ "$ENV" = "testnvim" ]; then
      eval "$(curl -Ss https://raw.githubusercontent.com/neovim/bot-ci/master/scripts/travis-setup.sh) nightly-x64"
    fi

    if [ "${ENV#vint}" != "$ENV" ]; then
      pip install -U pip
      pip install -U wheel
    fi

script:
  - |
    if [ -n "$SKIP_BUILD_REASON" ]; then
      echo "Skipping job: $SKIP_BUILD_REASON"
    elif [ "$ENV" = "vint-diff" ]; then
      if [ -n "$CHANGED_VIM_FILES" ]; then
        vint $CHANGED_VIM_FILES | grep -v '^autoload/neomake/makers/.*Use the abort attribute for functions in autoload'
        if [ "$?" != 1 ]; then
          echo "vint-diff found errors."
          exit 1
        fi
      fi
    else
      if [[ "$ENV" = "testvim" ]]; then
        vim --version
      fi
      make $ENV $MAKE_ARGS
    fi