os:
  - "{{conf.os.as_str()}}"
dist: "{{conf.dist.as_str()}}"

language: rust
sudo: required
cache: {{conf.cache.as_str()}}

rust:
  {%- for version in conf.versions %}
  - {{version.as_str()}}
  {%- endfor %}

env:
  global:
    - RUN_TEST=true
    - RUN_CLIPPY=false
    - RUN_BENCH=false
    {%- for c in conf.additional_matrix_entries %}
    - RUN_{{ c.0.to_ascii_uppercase().as_str() }}=false
    {%- endfor %}

matrix:
  fast_finish: true
  include:
    {%- if conf.rustfmt.run() %}
    - &rustfmt_build
      rust: "{{conf.rustfmt.version()}}"
      env:
        - RUN_RUSTFMT=true
        - RUN_TEST=false
    {%- endif %}
    {%- if conf.bench.run() %}
    - &bench_build
      rust: "{{conf.bench.version()}}"
      env:
        - RUN_BENCH=true
        - RUN_TEST=false
    {%- endif %}
    {%- if conf.clippy.run() %}
    - &clippy_build
      rust: "{{conf.clippy.version()}}"
      env:
        - RUN_CLIPPY=true
        - RUN_TEST=false
    {%- endif %}
    {%- for c in conf.additional_matrix_entries %}
    - &{{c.0}}
      rust: "{{c.1.version()}}"
      env:
        - "RUN_TEST=false"
        - "RUN_{{c.0.to_ascii_uppercase().as_str()}}=true"
    {%- endfor %}

before_script:
  {%- if conf.rustfmt.run() %}
  - bash -c 'if [[ "$RUN_RUSTFMT" == "true" ]]; then
      {{conf.rustfmt.install_commandline().unwrap()}}
      ;
    fi'
  {%- endif %}
  {%- if conf.clippy.run() %}
  - bash -c 'if [[ "$RUN_CLIPPY" == "true" ]]; then
      {{conf.clippy.install_commandline().unwrap()}}
      ;
    fi'
  {%- endif %}
  {%- for c in conf.additional_matrix_entries %}
  {%- if c.1.install_commandline().is_some() %}
  - bash -c 'if [[ "$RUN_{{c.0.to_ascii_uppercase()}}" == "true" ]]; then
      {{c.1.install_commandline().unwrap()}}
      ;
    fi'
  {%- endif %}
  {%- endfor %}

script:
  - bash -c 'if [[ "$RUN_TEST" == "true" ]]; then
      export CI_RUST_VERSION="$TRAVIS_RUST_VERSION"
      {{conf.test_commandline.as_str()}}
      ;
    fi'
  {%- if conf.rustfmt.run() %}
  - bash -c 'if [[ "$RUN_RUSTFMT" == "true" ]]; then
      {{conf.rustfmt.commandline()}}
      ;
    fi'
  {%- endif %}
  {%- if conf.bench.run() %}
  - bash -c 'if [[ "$RUN_BENCH" == "true" ]]; then
      {{conf.bench.commandline()}}
      ;
    fi'
  {%- endif %}
  {%- if conf.clippy.run() %}
  - bash -c 'if [[ "$RUN_CLIPPY" == "true" ]]; then
      {{conf.clippy.commandline()}}
      ;
    fi'
  {%- endif %}
  {%- for c in conf.additional_matrix_entries %}
  - bash -c 'if [[ "$RUN_{{c.0.to_ascii_uppercase()}}" == "true" ]]; then
      {{c.1.commandline()}}
      ;
    fi'
  {%- endfor %}

branches:
  only:
    # release tags
    - /^v\d+\.\d+\.\d+.*$/
    - master
    - trying
    - staging

notifications:
  email:
    on_success: never