stages:
  - "lint"
  - "test"
  - "extras"

.tarball_setup:
  variables:
    # Only stuff inside the repo directory can be cached
    # Override the CARGO_HOME variable to force its location
    CARGO_HOME: "${CI_PROJECT_DIR}/.cargo_home"
    DEPENDENCIES: |
      curl
      libssl-dev
      liborc-0.4-dev
      libglib2.0-dev
      libxml2-dev
      libgtk-3-dev
      libegl1-mesa
      libgles2-mesa
      libgl1-mesa-dri
      libgl1-mesa-glx
      libwayland-egl1-mesa
  before_script:
    - apt-get update -yqq
    - apt-get install -yqq --no-install-recommends $DEPENDENCIES

    - mkdir -p precompiled-gst && cd precompiled-gst

    - curl -L https://people.freedesktop.org/~slomo/gstreamer-1.16.0.tar.gz | tar xz
    - sed -i "s;prefix=/root/gstreamer;prefix=$PWD/gstreamer;g" $PWD/gstreamer/lib/x86_64-linux-gnu/pkgconfig/*.pc
    - export PKG_CONFIG_PATH=$PWD/gstreamer/lib/x86_64-linux-gnu/pkgconfig
    - export GST_PLUGIN_SYSTEM_PATH=$PWD/gstreamer/lib/x86_64-linux-gnu/gstreamer-1.0
    - export GST_PLUGIN_SCANNER=$PWD/gstreamer/libexec/gstreamer-1.0/gst-plugin-scanner
    - export PATH=$PATH:$PWD/gstreamer/bin
    - export LD_LIBRARY_PATH=$PWD/gstreamer/lib/x86_64-linux-gnu:$LD_LIBRARY_PATH

    - cd "${CI_PROJECT_DIR}"
  cache:
    key: "gst"
    paths:
      - "${CARGO_HOME}"

.cargo test:
  extends: '.tarball_setup'
  stage: "test"
  script:
    - rustc --version
      # First build and test all the crates with their relevant features
      # Keep features in sync with below
    - |
      for crate in gstreamer*; do
        if [ -n "$ALL_FEATURES" ]; then
          if [ $crate = "gstreamer" ]; then
            FEATURES=futures,ser_de,v1_16
          elif [ $crate = "gstreamer-base" -o $crate = "gstreamer-video" ]; then
            FEATURES=v1_16
          elif [ $crate = "gstreamer-gl" ]; then
            FEATURES=egl,x11,wayland,v1_16
          else
            FEATURES=v1_16
          fi

          cargo build --color=always --manifest-path $crate/Cargo.toml --features=$FEATURES
          G_DEBUG=fatal_warnings cargo test --color=always --manifest-path $crate/Cargo.toml --features=$FEATURES
        else
          cargo build --color=always --manifest-path $crate/Cargo.toml
          G_DEBUG=fatal_warnings cargo test --color=always --manifest-path $crate/Cargo.toml
        fi
      done

      # If we do a build with all features then also build the
      # tutorials/examples with all features
    - |
      if [ -n "$ALL_FEATURES" ]; then
        cargo build --color=always --manifest-path examples/Cargo.toml --bins --examples --all-features
        cargo build --color=always --manifest-path tutorials/Cargo.toml --bins --examples --all-features
      fi

test 1.36:
  # 1.36 img
  # https://hub.docker.com/_/rust/
  image: "rust:1.36-slim"
  extends: '.cargo test'

test stable:
  # Stable img
  # https://hub.docker.com/_/rust/
  image: "rust:slim"
  extends: '.cargo test'

test stable all-features:
  # Stable img
  # https://hub.docker.com/_/rust/
  image: "rust:slim"
  variables:
    ALL_FEATURES: 'yes'
  extends: '.cargo test'

test nightly:
  # Nightly
  # https://hub.docker.com/r/rustlang/rust/
  image: "rustlang/rust:nightly-slim"
  allow_failure: true
  extends: '.cargo test'

test nightly all-features:
  # Nightly
  # https://hub.docker.com/r/rustlang/rust/
  image: "rustlang/rust:nightly-slim"
  allow_failure: true
  variables:
    ALL_FEATURES: 'yes'
  extends: '.cargo test'

rustfmt:
  image: "rust:slim"
  stage: "lint"
  script:
    - rustup component add rustfmt
    - cargo fmt --version
    - cargo fmt -- --color=always --check

clippy:
  extends: '.tarball_setup'
  image: "rust:slim"
  stage: 'extras'
  script:
    - rustup component add clippy-preview
    - cargo clippy --version
      # Keep features in sync with above
    - |
      for crate in gstreamer*; do
        if [ $crate = "gstreamer" ]; then
          FEATURES=futures,ser_de,v1_16
        elif [ $crate = "gstreamer-base" -o $crate = "gstreamer-video" ]; then
          FEATURES=v1_16
        elif [ $crate = "gstreamer-gl" ]; then
          FEATURES=egl,x11,wayland,v1_16
        else
          FEATURES=v1_16
        fi

        cargo clippy --color=always --manifest-path $crate/Cargo.toml --features=$FEATURES -- -A clippy::redundant_pattern_matching -A clippy::single_match -A clippy::cast_lossless
      done
    # And also run over all the examples/tutorials
    - |
      cargo clippy --color=always --manifest-path examples/Cargo.toml --bins --examples --all-features -- -A clippy::redundant_pattern_matching -A clippy::single_match -A clippy::cast_lossless
      cargo clippy --color=always --manifest-path tutorials/Cargo.toml --bins --examples --all-features -- -A clippy::redundant_pattern_matching -A clippy::single_match -A clippy::cast_lossless