language: go

dist: trusty
sudo: false

go:
  - 1.6
  - 1.7
  - 1.8
  - 1.9
  - tip

env:
  - LIBVIPS=7.42.3
  - LIBVIPS=8.2.3
  - LIBVIPS=8.3.3
  - LIBVIPS=8.4.6
  - LIBVIPS=8.5.8
  - LIBVIPS=8.6.0-alpha4
  - LIBVIPS=master

matrix:
  allow_failures:
    - env: LIBVIPS=7.42.3
    - env: LIBVIPS=8.2.3
    - env: LIBVIPS=8.3.3
    - env: LIBVIPS=8.6.0-alpha4

cache:
  apt:
  directories:
    - $HOME/libvips

addons:
  apt:
    packages:
      - gobject-introspection
      - gtk-doc-tools
      - libcfitsio3-dev
      - libfftw3-dev
      - libgif-dev
      - libgs-dev
      - libgsf-1-dev
      - libmatio-dev
      - libopenslide-dev
      - liborc-0.4-dev
      - libpango1.0-dev
      - libpoppler-glib-dev
      - libwebp-dev

# VIPS 8.3.3 requires Poppler 0.30 which is not released on Trusty.
before_install:
  - >
    test "$LIBVIPS" != "master" -a "$LIBVIPS" \< "8.4" \
        && wget http://www.vips.ecs.soton.ac.uk/supported/${LIBVIPS%.*}/vips-${LIBVIPS}.tar.gz -O vips.tgz \
        || echo ":-)"
  - >
    test "$LIBVIPS" != "master" -a "$LIBVIPS" \> "8.4" \
        && wget https://github.com/jcupitt/libvips/archive/v${LIBVIPS}.tar.gz -O vips.tgz \
        || echo ":-)"
  - >
    test $LIBVIPS == "master" \
        && wget https://github.com/jcupitt/libvips/archive/${LIBVIPS}.tar.gz -O vips.tgz \
        || echo ":-)"
  - mkdir libvips
  - tar xf vips.tgz -C libvips --strip-components 1
  - cd libvips
  - test -f autogen.sh && ./autogen.sh || ./bootstrap.sh
  - >
    CXXFLAGS=-D_GLIBCXX_USE_CXX11_ABI=0
    ./configure
    --disable-debug
    --disable-dependency-tracking
    --disable-introspection
    --disable-static
    --enable-gtk-doc-html=no
    --enable-gtk-doc=no
    --enable-pyvips8=no
    --without-orc
    --without-python
    --prefix=$HOME/libvips
    $1
  - make
  - make install
  - cd ..
  - export PATH=$PATH:$HOME/libvips/bin
  - export PKG_CONFIG_PATH=$PKG_CONFIG_PATH:$HOME/libvips/lib/pkgconfig
  - export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$HOME/libvips/lib
  - vips --vips-version

before_script:
  - go get -u github.com/golang/lint/golint

script:
  - diff -u <(echo -n) <(gofmt -s -d ./)
  - diff -u <(echo -n) <(go vet ./)
  - diff -u <(echo -n) <(golint ./)
  - go test -v -race -covermode=atomic -coverprofile=coverage.out

after_success:
  - goveralls -coverprofile=coverage.out -service=travis-ci