image: "debian:stretch-slim"

stages:
  - prepare
  - build
  - publish

variables:
  RUSTUP_HOME: "$CI_PROJECT_DIR/.rustup"
  CARGO_HOME: "$CI_PROJECT_DIR/.cargo"

.write_cache:
  cache:
    key: "$CI_COMMIT_REF_SLUG-rustup"
    paths:
      - .rustup
      - .cargo

.read_cache:
  cache:
    key: "$CI_COMMIT_REF_SLUG-rustup"
    paths:
      - .rustup
      - .cargo
    policy: pull

.toolchain-stable:
  extends: .read_cache
  before_script:
    - apt-get update
    - apt-get install -y --no-install-recommends ca-certificates libssl-dev libc6-dev pkg-config gcc
    - export PATH="$CARGO_HOME/bin:$PATH"
    - rustup default stable

.toolchain-nightly:
  extends: .read_cache
  allow_failure: true
  before_script:
    - apt-get update
    - apt-get install -y --no-install-recommends ca-certificates libssl-dev libc6-dev pkg-config gcc
    - export PATH="$CARGO_HOME/bin:$PATH"
    - rustup default nightly

.build-only-when-changes: &build-only-when-changes
  only:
    changes:
      - Cargo.toml
      - Cargo.lock
      - src/**/*.rs

####### Jobs #######

install-rust:
  extends: .write_cache
  stage: prepare
  script:
    - apt-get update
    - apt-get install -y --no-install-recommends ca-certificates curl
    - curl https://sh.rustup.rs > rustup.sh
    - sh rustup.sh -y --default-host x86_64-unknown-linux-gnu
    - export PATH="$CARGO_HOME/bin:$PATH"
    - rustup install stable
    - rustup install nightly
  <<: *build-only-when-changes

build-stable-no-default-features:
  extends: .toolchain-stable
  stage: build
  script:
    - cargo test --tests --no-default-features
  <<: *build-only-when-changes

build-stable-features-rich_presence:
  extends: .toolchain-stable
  stage: build
  script:
    - cargo test --tests --no-default-features
      --features "rich_presence"
    - cargo test --no-default-features
      --features "rich_presence"
      --example "discord_presence"
      --example "discord_presence_subscribe"
  <<: *build-only-when-changes

build-nightly:
  extends: .toolchain-nightly
  stage: build
  script:
    - cargo test --tests
    - cargo test --examples
  <<: *build-only-when-changes

deploy-crates-io:
  extends: .toolchain-stable
  stage: publish
  script:
    - cargo publish --token $CRATES_IO_API_TOKEN
  only:
    - tags@valeth/discord-rpc-client.rs